Bugfixes
This commit is contained in:
Andrea Cavalli
parent
63282767a1
commit
3da2fd8979
10
src/main/java/it/cavallium/dbengine/database/Delta.java
Normal file
10
src/main/java/it/cavallium/dbengine/database/Delta.java
Normal file
@ -0,0 +1,10 @@
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package it.cavallium.dbengine.database;
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import lombok.Value;
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import org.jetbrains.annotations.Nullable;
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@Value(staticConstructor = "of")
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public class Delta<T> {
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@Nullable T previous;
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@Nullable T current;
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}
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@ -9,6 +9,7 @@ import org.jetbrains.annotations.Nullable;
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import org.warp.commonutils.concurrency.atomicity.NotAtomic;
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import reactor.core.publisher.Flux;
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import reactor.core.publisher.Mono;
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import reactor.util.function.Tuple2;
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@SuppressWarnings("unused")
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@NotAtomic
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@ -26,10 +27,28 @@ public interface LLDictionary extends LLKeyValueDatabaseStructure {
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Mono<UpdateMode> getUpdateMode();
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Mono<Boolean> update(ByteBuf key, Function<@Nullable ByteBuf, @Nullable ByteBuf> updater, boolean existsAlmostCertainly);
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default Mono<ByteBuf> update(ByteBuf key,
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Function<@Nullable ByteBuf, @Nullable ByteBuf> updater,
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UpdateReturnMode updateReturnMode,
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boolean existsAlmostCertainly) {
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return this
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.updateAndGetDelta(key, updater, existsAlmostCertainly)
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.transform(prev -> LLUtils.resolveDelta(prev, updateReturnMode));
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}
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default Mono<Boolean> update(ByteBuf key, Function<@Nullable ByteBuf, @Nullable ByteBuf> updater) {
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return update(key, updater, false);
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default Mono<ByteBuf> update(ByteBuf key,
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Function<@Nullable ByteBuf, @Nullable ByteBuf> updater,
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UpdateReturnMode returnMode) {
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return update(key, updater, returnMode, false);
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}
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Mono<Delta<ByteBuf>> updateAndGetDelta(ByteBuf key,
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Function<@Nullable ByteBuf, @Nullable ByteBuf> updater,
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boolean existsAlmostCertainly);
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default Mono<Delta<ByteBuf>> updateAndGetDelta(ByteBuf key,
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Function<@Nullable ByteBuf, @Nullable ByteBuf> updater) {
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return updateAndGetDelta(key, updater, false);
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}
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Mono<Void> clear();
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@ -2,7 +2,6 @@ package it.cavallium.dbengine.database;
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import com.google.common.primitives.Ints;
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import com.google.common.primitives.Longs;
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import io.netty.buffer.AbstractByteBufAllocator;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBufAllocator;
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import io.netty.buffer.ByteBufUtil;
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@ -14,6 +13,8 @@ import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.LinkedList;
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import java.util.List;
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import java.util.Objects;
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import java.util.function.Function;
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import java.util.function.ToIntFunction;
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import org.apache.lucene.document.Document;
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import org.apache.lucene.document.Field;
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@ -32,6 +33,7 @@ import org.apache.lucene.search.SortedNumericSortField;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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import org.rocksdb.RocksDB;
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import reactor.core.publisher.Mono;
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@SuppressWarnings("unused")
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public class LLUtils {
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@ -412,4 +414,56 @@ public class LLUtils {
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}
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}
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}
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public static <T> Mono<T> resolveDelta(Mono<Delta<T>> prev, UpdateReturnMode updateReturnMode) {
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return prev.handle((delta, sink) -> {
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switch (updateReturnMode) {
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case GET_NEW_VALUE:
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var current = delta.getCurrent();
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if (current != null) {
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sink.next(current);
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} else {
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sink.complete();
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}
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break;
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case GET_OLD_VALUE:
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var previous = delta.getPrevious();
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if (previous != null) {
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sink.next(previous);
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} else {
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sink.complete();
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}
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break;
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case NOTHING:
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sink.complete();
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break;
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default:
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sink.error(new IllegalStateException());
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}
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});
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}
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public static <T, U> Mono<Delta<U>> mapDelta(Mono<Delta<T>> mono, Function<@NotNull T, @Nullable U> mapper) {
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return mono.map(delta -> {
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T prev = delta.getPrevious();
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T curr = delta.getCurrent();
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U newPrev;
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U newCurr;
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if (prev != null) {
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newPrev = mapper.apply(prev);
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} else {
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newPrev = null;
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}
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if (curr != null) {
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newCurr = mapper.apply(curr);
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} else {
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newCurr = null;
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}
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return Delta.of(newPrev, newCurr);
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});
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}
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public static <R, V> boolean isDeltaChanged(Delta<V> delta) {
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return !Objects.equals(delta.getPrevious(), delta.getCurrent());
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}
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}
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@ -0,0 +1,5 @@
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package it.cavallium.dbengine.database;
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public enum UpdateReturnMode {
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GET_OLD_VALUE, GET_NEW_VALUE, NOTHING
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}
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@ -3,10 +3,12 @@ package it.cavallium.dbengine.database.collections;
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import io.netty.buffer.ByteBuf;
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import io.netty.util.ReferenceCounted;
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import it.cavallium.dbengine.client.CompositeSnapshot;
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import it.cavallium.dbengine.database.Delta;
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import it.cavallium.dbengine.database.LLDictionary;
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import it.cavallium.dbengine.database.LLDictionaryResultType;
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import it.cavallium.dbengine.database.LLUtils;
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import it.cavallium.dbengine.database.UpdateMode;
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import it.cavallium.dbengine.database.UpdateReturnMode;
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import it.cavallium.dbengine.database.serialization.Serializer;
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import it.cavallium.dbengine.database.serialization.SerializerFixedBinaryLength;
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import java.util.HashMap;
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@ -142,13 +144,15 @@ public class DatabaseMapDictionary<T, U> extends DatabaseMapDictionaryDeep<T, U,
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}
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@Override
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public Mono<Boolean> updateValue(T keySuffix,
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public Mono<U> updateValue(T keySuffix,
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UpdateReturnMode updateReturnMode,
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boolean existsAlmostCertainly,
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Function<@Nullable U, @Nullable U> updater) {
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return Mono
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.using(
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() -> toKey(serializeSuffix(keySuffix)),
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keyBuf -> dictionary.update(keyBuf.retain(), oldSerialized -> {
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keyBuf -> dictionary
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.update(keyBuf.retain(), oldSerialized -> {
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try {
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var result = updater.apply(oldSerialized == null ? null : this.deserialize(oldSerialized.retain()));
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if (result == null) {
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@ -161,7 +165,35 @@ public class DatabaseMapDictionary<T, U> extends DatabaseMapDictionaryDeep<T, U,
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oldSerialized.release();
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}
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}
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}, existsAlmostCertainly),
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}, updateReturnMode, existsAlmostCertainly)
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.map(this::deserialize),
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ReferenceCounted::release
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);
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}
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@Override
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public Mono<Delta<U>> updateValueAndGetDelta(T keySuffix,
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boolean existsAlmostCertainly,
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Function<@Nullable U, @Nullable U> updater) {
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return Mono
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.using(
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() -> toKey(serializeSuffix(keySuffix)),
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keyBuf -> dictionary
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.updateAndGetDelta(keyBuf.retain(), oldSerialized -> {
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try {
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var result = updater.apply(oldSerialized == null ? null : this.deserialize(oldSerialized.retain()));
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if (result == null) {
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return null;
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} else {
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return this.serialize(result);
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}
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} finally {
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if (oldSerialized != null) {
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oldSerialized.release();
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}
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}
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}, existsAlmostCertainly)
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.transform(mono -> LLUtils.mapDelta(mono, this::deserialize)),
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ReferenceCounted::release
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);
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}
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@ -3,16 +3,20 @@ package it.cavallium.dbengine.database.collections;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBufAllocator;
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import it.cavallium.dbengine.client.CompositeSnapshot;
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import it.cavallium.dbengine.database.Delta;
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import it.cavallium.dbengine.database.LLDictionary;
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import it.cavallium.dbengine.database.LLUtils;
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import it.cavallium.dbengine.database.UpdateMode;
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import it.cavallium.dbengine.database.collections.Joiner.ValueGetter;
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import it.cavallium.dbengine.database.collections.JoinerBlocking.ValueGetterBlocking;
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import it.cavallium.dbengine.database.serialization.Serializer;
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import it.cavallium.dbengine.database.serialization.SerializerFixedBinaryLength;
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import it.unimi.dsi.fastutil.objects.ObjectArraySet;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Map.Entry;
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import java.util.Objects;
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import java.util.Set;
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import java.util.function.Function;
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import org.jetbrains.annotations.NotNull;
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import org.jetbrains.annotations.Nullable;
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@ -23,9 +27,8 @@ import reactor.core.publisher.Mono;
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public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T, U, DatabaseStageEntry<U>> {
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private final ByteBufAllocator alloc;
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private final DatabaseMapDictionary<TH, Entry<T, U>> subDictionary;
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private final DatabaseMapDictionary<TH, Set<Entry<T, U>>> subDictionary;
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private final Function<T, TH> keySuffixHashFunction;
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private final Function<T, ValueMapper<T, U>> valueMapper;
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protected DatabaseMapDictionaryHashed(LLDictionary dictionary,
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ByteBuf prefixKey,
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@ -34,15 +37,18 @@ public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T
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Function<T, TH> keySuffixHashFunction,
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SerializerFixedBinaryLength<TH, ByteBuf> keySuffixHashSerializer) {
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try {
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ValueWithHashSerializer<T, U> valueWithHashSerializer = new ValueWithHashSerializer<>(keySuffixSerializer,
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valueSerializer
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);
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if (dictionary.getUpdateMode().block() != UpdateMode.ALLOW) {
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throw new IllegalArgumentException("Hashed maps only works when UpdateMode is ALLOW");
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}
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this.alloc = dictionary.getAllocator();
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this.valueMapper = ValueMapper::new;
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ValueWithHashSerializer<T, U> valueWithHashSerializer
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= new ValueWithHashSerializer<>(alloc, keySuffixSerializer, valueSerializer);
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ValuesSetSerializer<Entry<T, U>> valuesSetSerializer
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= new ValuesSetSerializer<>(alloc, valueWithHashSerializer);
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this.subDictionary = DatabaseMapDictionary.tail(dictionary,
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prefixKey.retain(),
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keySuffixHashSerializer,
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valueWithHashSerializer
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valuesSetSerializer
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);
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this.keySuffixHashFunction = keySuffixHashFunction;
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} finally {
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@ -50,72 +56,6 @@ public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T
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}
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}
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private class ValueWithHashSerializer<T, U> implements Serializer<Entry<T, U>, ByteBuf> {
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private final Serializer<T, ByteBuf> keySuffixSerializer;
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private final Serializer<U, ByteBuf> valueSerializer;
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private ValueWithHashSerializer(Serializer<T, ByteBuf> keySuffixSerializer, Serializer<U, ByteBuf> valueSerializer) {
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this.keySuffixSerializer = keySuffixSerializer;
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this.valueSerializer = valueSerializer;
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}
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@Override
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public @NotNull Entry<T, U> deserialize(@NotNull ByteBuf serialized) {
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try {
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int keySuffixLength = serialized.readInt();
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int initialReaderIndex = serialized.readerIndex();
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int initialWriterIndex = serialized.writerIndex();
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T keySuffix = keySuffixSerializer.deserialize(serialized.setIndex(initialReaderIndex, initialReaderIndex + keySuffixLength).retain());
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assert serialized.readerIndex() == initialReaderIndex + keySuffixLength;
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U value = valueSerializer.deserialize(serialized.setIndex(initialReaderIndex + keySuffixLength, initialWriterIndex).retain());
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return Map.entry(keySuffix, value);
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} finally {
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serialized.release();
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}
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}
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@Override
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public @NotNull ByteBuf serialize(@NotNull Entry<T, U> deserialized) {
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ByteBuf keySuffix = keySuffixSerializer.serialize(deserialized.getKey());
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try {
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ByteBuf value = valueSerializer.serialize(deserialized.getValue());
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try {
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ByteBuf keySuffixLen = alloc.buffer(Integer.BYTES);
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try {
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keySuffixLen.writeInt(keySuffix.readableBytes());
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return LLUtils.compositeBuffer(alloc, keySuffixLen.retain(), keySuffix.retain(), value.retain());
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} finally {
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keySuffixLen.release();
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}
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} finally {
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value.release();
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}
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} finally {
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keySuffix.release();
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}
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}
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}
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private static class ValueMapper<T, U> implements Serializer<U, Entry<T, U>> {
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private final T key;
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public ValueMapper(T key) {
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this.key = key;
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}
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@Override
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public @NotNull U deserialize(@NotNull Entry<T, U> serialized) {
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return serialized.getValue();
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}
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@Override
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public @NotNull Entry<T, U> serialize(@NotNull U deserialized) {
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return Map.entry(key, deserialized);
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}
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}
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public static <T, U, UH> DatabaseMapDictionaryHashed<T, U, UH> simple(LLDictionary dictionary,
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Serializer<T, ByteBuf> keySerializer,
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Serializer<U, ByteBuf> valueSerializer,
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@ -146,15 +86,21 @@ public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T
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);
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}
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private Map<TH, Entry<T, U>> serializeMap(Map<T, U> map) {
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var newMap = new HashMap<TH, Entry<T, U>>(map.size());
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map.forEach((key, value) -> newMap.put(keySuffixHashFunction.apply(key), Map.entry(key, value)));
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private Map<TH, Set<Entry<T, U>>> serializeMap(Map<T, U> map) {
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var newMap = new HashMap<TH, Set<Entry<T, U>>>(map.size());
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map.forEach((key, value) -> newMap.compute(keySuffixHashFunction.apply(key), (hash, prev) -> {
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if (prev == null) {
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prev = new HashSet<>();
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}
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prev.add(Map.entry(key, value));
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return prev;
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}));
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return newMap;
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}
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private Map<T, U> deserializeMap(Map<TH, Entry<T, U>> map) {
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private Map<T, U> deserializeMap(Map<TH, Set<Entry<T, U>>> map) {
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var newMap = new HashMap<T, U>(map.size());
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map.forEach((key, value) -> newMap.put(value.getKey(), value.getValue()));
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map.forEach((hash, set) -> set.forEach(entry -> newMap.put(entry.getKey(), entry.getValue())));
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return newMap;
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}
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@ -178,18 +124,6 @@ public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T
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return Mono.fromSupplier(() -> this.serializeMap(map)).flatMap(subDictionary::setAndGetChanged).single();
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}
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@Override
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public Mono<Boolean> update(Function<@Nullable Map<T, U>, @Nullable Map<T, U>> updater) {
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return subDictionary.update(old -> {
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var result = updater.apply(old == null ? null : this.deserializeMap(old));
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if (result == null) {
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return null;
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} else {
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return this.serializeMap(result);
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}
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});
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}
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@Override
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public Mono<Boolean> clearAndGetStatus() {
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return subDictionary.clearAndGetStatus();
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@ -217,33 +151,15 @@ public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T
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@Override
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public Mono<DatabaseStageEntry<U>> at(@Nullable CompositeSnapshot snapshot, T key) {
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return this
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.atPrivate(snapshot, key, keySuffixHashFunction.apply(key))
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.map(cast -> cast);
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}
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private Mono<DatabaseSingleBucket<T, U, TH>> atPrivate(@Nullable CompositeSnapshot snapshot, T key, TH hash) {
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return subDictionary
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.at(snapshot, keySuffixHashFunction.apply(key))
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.map(entry -> new DatabaseSingleMapped<>(entry, valueMapper.apply(key)));
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}
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@Override
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public Mono<U> getValue(@Nullable CompositeSnapshot snapshot, T key, boolean existsAlmostCertainly) {
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return subDictionary
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.getValue(snapshot, keySuffixHashFunction.apply(key), existsAlmostCertainly)
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.map(Entry::getValue);
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}
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@Override
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public Mono<U> getValue(@Nullable CompositeSnapshot snapshot, T key) {
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return subDictionary.getValue(snapshot, keySuffixHashFunction.apply(key)).map(Entry::getValue);
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}
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@Override
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public Mono<U> getValueOrDefault(@Nullable CompositeSnapshot snapshot, T key, Mono<U> defaultValue) {
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return subDictionary
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.getValueOrDefault(snapshot, keySuffixHashFunction.apply(key), defaultValue.map(v -> Map.entry(key, v)))
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.map(Entry::getValue);
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}
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@Override
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public Mono<Void> putValue(T key, U value) {
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return subDictionary.putValue(keySuffixHashFunction.apply(key), Map.entry(key, value));
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.at(snapshot, hash)
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.map(entry -> new DatabaseSingleBucket<>(entry, key));
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}
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@Override
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@ -251,109 +167,35 @@ public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T
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return subDictionary.getUpdateMode();
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}
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@Override
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public Mono<Boolean> updateValue(T key, boolean existsAlmostCertainly, Function<@Nullable U, @Nullable U> updater) {
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return subDictionary.updateValue(keySuffixHashFunction.apply(key), existsAlmostCertainly, old -> {
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var result = updater.apply(old == null ? null : old.getValue());
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if (result == null) {
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return null;
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} else {
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return Map.entry(key, result);
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}
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});
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}
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@Override
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public Mono<Boolean> updateValue(T key, Function<@Nullable U, @Nullable U> updater) {
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return subDictionary.updateValue(keySuffixHashFunction.apply(key), old -> {
|
||||
var result = updater.apply(old == null ? null : old.getValue());
|
||||
if (result == null) {
|
||||
return null;
|
||||
} else {
|
||||
return Map.entry(key, result);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<U> putValueAndGetPrevious(T key, U value) {
|
||||
return subDictionary
|
||||
.putValueAndGetPrevious(keySuffixHashFunction.apply(key), Map.entry(key, value))
|
||||
.map(Entry::getValue);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Boolean> putValueAndGetChanged(T key, U value) {
|
||||
return subDictionary
|
||||
.putValueAndGetChanged(keySuffixHashFunction.apply(key), Map.entry(key, value));
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Void> remove(T key) {
|
||||
return subDictionary.remove(keySuffixHashFunction.apply(key));
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<U> removeAndGetPrevious(T key) {
|
||||
return subDictionary.removeAndGetPrevious(keySuffixHashFunction.apply(key)).map(Entry::getValue);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Boolean> removeAndGetStatus(T key) {
|
||||
return subDictionary.removeAndGetStatus(keySuffixHashFunction.apply(key));
|
||||
}
|
||||
|
||||
@Override
|
||||
public Flux<Entry<T, U>> getMulti(@Nullable CompositeSnapshot snapshot, Flux<T> keys, boolean existsAlmostCertainly) {
|
||||
return subDictionary
|
||||
.getMulti(snapshot, keys.map(keySuffixHashFunction), existsAlmostCertainly)
|
||||
.map(Entry::getValue);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Flux<Entry<T, U>> getMulti(@Nullable CompositeSnapshot snapshot, Flux<T> keys) {
|
||||
return subDictionary
|
||||
.getMulti(snapshot, keys.map(keySuffixHashFunction))
|
||||
.map(Entry::getValue);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Void> putMulti(Flux<Entry<T, U>> entries) {
|
||||
return subDictionary
|
||||
.putMulti(entries.map(entry -> Map.entry(keySuffixHashFunction.apply(entry.getKey()),
|
||||
Map.entry(entry.getKey(), entry.getValue())
|
||||
)));
|
||||
}
|
||||
|
||||
@Override
|
||||
public Flux<Entry<T, DatabaseStageEntry<U>>> getAllStages(@Nullable CompositeSnapshot snapshot) {
|
||||
return subDictionary
|
||||
.getAllStages(snapshot)
|
||||
.flatMap(hashEntry -> hashEntry
|
||||
.getValue()
|
||||
.get(snapshot)
|
||||
.map(entry -> Map.entry(entry.getKey(),
|
||||
new DatabaseSingleMapped<>(hashEntry.getValue(), valueMapper.apply(entry.getKey()))
|
||||
))
|
||||
.getAllValues(snapshot)
|
||||
.flatMap(bucket -> Flux
|
||||
.fromIterable(bucket.getValue())
|
||||
.map(Entry::getKey)
|
||||
.flatMap(key -> this
|
||||
.at(snapshot, key)
|
||||
.flatMap(stage -> Mono.just(Map.entry(key, stage)).doFinally(s -> stage.release()))
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Flux<Entry<T, U>> getAllValues(@Nullable CompositeSnapshot snapshot) {
|
||||
return subDictionary.getAllValues(snapshot).map(Entry::getValue);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Void> setAllValues(Flux<Entry<T, U>> entries) {
|
||||
return subDictionary
|
||||
.setAllValues(entries.map(entry -> Map.entry(keySuffixHashFunction.apply(entry.getKey()), entry)));
|
||||
return subDictionary.getAllValues(snapshot).flatMap(s -> Flux.fromIterable(s.getValue()));
|
||||
}
|
||||
|
||||
@Override
|
||||
public Flux<Entry<T, U>> setAllValuesAndGetPrevious(Flux<Entry<T, U>> entries) {
|
||||
return subDictionary
|
||||
.setAllValuesAndGetPrevious(entries.map(entry -> Map.entry(keySuffixHashFunction.apply(entry.getKey()), entry)))
|
||||
.map(Entry::getValue);
|
||||
return entries
|
||||
.flatMap(entry -> this
|
||||
.at(null, entry.getKey())
|
||||
.flatMap(stage -> stage
|
||||
.setAndGetPrevious(entry.getValue())
|
||||
.map(prev -> Map.entry(entry.getKey(), prev))
|
||||
.doFinally(s -> stage.release()))
|
||||
);
|
||||
}
|
||||
|
||||
@Override
|
||||
@ -361,25 +203,6 @@ public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T
|
||||
return subDictionary.clear();
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Void> replaceAllValues(boolean canKeysChange, Function<Entry<T, U>, Mono<Entry<T, U>>> entriesReplacer) {
|
||||
return subDictionary.replaceAllValues(canKeysChange,
|
||||
entry -> entriesReplacer
|
||||
.apply(entry.getValue())
|
||||
.map(result -> Map.entry(keySuffixHashFunction.apply(result.getKey()), result))
|
||||
);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Void> replaceAll(Function<Entry<T, DatabaseStageEntry<U>>, Mono<Void>> entriesReplacer) {
|
||||
return subDictionary.replaceAll(hashEntry -> hashEntry
|
||||
.getValue()
|
||||
.get(null)
|
||||
.flatMap(entry -> entriesReplacer.apply(Map.entry(entry.getKey(),
|
||||
new DatabaseSingleMapped<>(hashEntry.getValue(), valueMapper.apply(entry.getKey()))
|
||||
))));
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Map<T, U>> setAndGetPrevious(Map<T, U> value) {
|
||||
return Mono
|
||||
@ -388,19 +211,6 @@ public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T
|
||||
.map(this::deserializeMap);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Boolean> update(Function<@Nullable Map<T, U>, @Nullable Map<T, U>> updater,
|
||||
boolean existsAlmostCertainly) {
|
||||
return subDictionary.update(item -> {
|
||||
var result = updater.apply(item == null ? null : this.deserializeMap(item));
|
||||
if (result == null) {
|
||||
return null;
|
||||
} else {
|
||||
return this.serializeMap(result);
|
||||
}
|
||||
}, existsAlmostCertainly);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Map<T, U>> clearAndGetPrevious() {
|
||||
return subDictionary
|
||||
@ -422,13 +232,61 @@ public class DatabaseMapDictionaryHashed<T, U, TH> implements DatabaseStageMap<T
|
||||
|
||||
@Override
|
||||
public ValueGetterBlocking<T, U> getDbValueGetter(@Nullable CompositeSnapshot snapshot) {
|
||||
ValueGetterBlocking<TH, Entry<T, U>> getter = subDictionary.getDbValueGetter(snapshot);
|
||||
return key -> getter.get(keySuffixHashFunction.apply(key)).getValue();
|
||||
ValueGetterBlocking<TH, Set<Entry<T, U>>> getter = subDictionary.getDbValueGetter(snapshot);
|
||||
return key -> extractValue(getter.get(keySuffixHashFunction.apply(key)), key);
|
||||
}
|
||||
|
||||
@Override
|
||||
public ValueGetter<T, U> getAsyncDbValueGetter(@Nullable CompositeSnapshot snapshot) {
|
||||
ValueGetter<TH, Entry<T, U>> getter = subDictionary.getAsyncDbValueGetter(snapshot);
|
||||
return key -> getter.get(keySuffixHashFunction.apply(key)).map(Entry::getValue);
|
||||
ValueGetter<TH, Set<Entry<T, U>>> getter = subDictionary.getAsyncDbValueGetter(snapshot);
|
||||
return key -> getter
|
||||
.get(keySuffixHashFunction.apply(key))
|
||||
.flatMap(set -> this.extractValueTransformation(set, key));
|
||||
}
|
||||
|
||||
private Mono<U> extractValueTransformation(Set<Entry<T, U>> entries, T key) {
|
||||
return Mono.fromCallable(() -> extractValue(entries, key));
|
||||
}
|
||||
|
||||
@Nullable
|
||||
private U extractValue(Set<Entry<T, U>> entries, T key) {
|
||||
if (entries == null) return null;
|
||||
for (Entry<T, U> entry : entries) {
|
||||
if (Objects.equals(entry.getKey(), key)) {
|
||||
return entry.getValue();
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private Set<Entry<T, U>> insertValueOrCreate(@Nullable Set<Entry<T, U>> entries, T key, U value) {
|
||||
if (entries != null) {
|
||||
entries.add(Map.entry(key, value));
|
||||
return entries;
|
||||
} else {
|
||||
return new ObjectArraySet<>(new Object[] {Map.entry(key, value)});
|
||||
}
|
||||
}
|
||||
|
||||
@Nullable
|
||||
private Set<Entry<T, U>> removeValueOrDelete(@Nullable Set<Entry<T, U>> entries, T key) {
|
||||
if (entries != null) {
|
||||
var it = entries.iterator();
|
||||
while (it.hasNext()) {
|
||||
var entry = it.next();
|
||||
if (Objects.equals(entry.getKey(), key)) {
|
||||
it.remove();
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (entries.size() == 0) {
|
||||
return null;
|
||||
} else {
|
||||
return entries;
|
||||
}
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -2,10 +2,13 @@ package it.cavallium.dbengine.database.collections;
|
||||
|
||||
import io.netty.buffer.ByteBuf;
|
||||
import it.cavallium.dbengine.client.CompositeSnapshot;
|
||||
import it.cavallium.dbengine.database.Delta;
|
||||
import it.cavallium.dbengine.database.LLDictionary;
|
||||
import it.cavallium.dbengine.database.LLDictionaryResultType;
|
||||
import it.cavallium.dbengine.database.LLRange;
|
||||
import it.cavallium.dbengine.database.LLSnapshot;
|
||||
import it.cavallium.dbengine.database.LLUtils;
|
||||
import it.cavallium.dbengine.database.UpdateReturnMode;
|
||||
import it.cavallium.dbengine.database.serialization.Serializer;
|
||||
import java.util.Optional;
|
||||
import java.util.function.Function;
|
||||
@ -52,7 +55,9 @@ public class DatabaseSingle<U> implements DatabaseStageEntry<U> {
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Boolean> update(Function<@Nullable U, @Nullable U> updater, boolean existsAlmostCertainly) {
|
||||
public Mono<U> update(Function<@Nullable U, @Nullable U> updater,
|
||||
UpdateReturnMode updateReturnMode,
|
||||
boolean existsAlmostCertainly) {
|
||||
return dictionary.update(key.retain(), (oldValueSer) -> {
|
||||
var result = updater.apply(oldValueSer == null ? null : this.deserialize(oldValueSer));
|
||||
if (result == null) {
|
||||
@ -60,7 +65,20 @@ public class DatabaseSingle<U> implements DatabaseStageEntry<U> {
|
||||
} else {
|
||||
return this.serialize(result);
|
||||
}
|
||||
}, existsAlmostCertainly);
|
||||
}, updateReturnMode, existsAlmostCertainly).map(this::deserialize);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Delta<U>> updateAndGetDelta(Function<@Nullable U, @Nullable U> updater,
|
||||
boolean existsAlmostCertainly) {
|
||||
return dictionary.updateAndGetDelta(key.retain(), (oldValueSer) -> {
|
||||
var result = updater.apply(oldValueSer == null ? null : this.deserialize(oldValueSer));
|
||||
if (result == null) {
|
||||
return null;
|
||||
} else {
|
||||
return this.serialize(result);
|
||||
}
|
||||
}, existsAlmostCertainly).transform(mono -> LLUtils.mapDelta(mono, this::deserialize));
|
||||
}
|
||||
|
||||
@Override
|
||||
|
||||
@ -0,0 +1,181 @@
|
||||
package it.cavallium.dbengine.database.collections;
|
||||
|
||||
import it.cavallium.dbengine.client.CompositeSnapshot;
|
||||
import it.cavallium.dbengine.database.Delta;
|
||||
import it.cavallium.dbengine.database.LLUtils;
|
||||
import it.cavallium.dbengine.database.UpdateReturnMode;
|
||||
import it.unimi.dsi.fastutil.objects.ObjectArraySet;
|
||||
import java.util.Map;
|
||||
import java.util.Map.Entry;
|
||||
import java.util.Objects;
|
||||
import java.util.Set;
|
||||
import java.util.function.BiFunction;
|
||||
import java.util.function.Function;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
import org.jetbrains.annotations.Nullable;
|
||||
import org.warp.commonutils.functional.TriFunction;
|
||||
import reactor.core.publisher.Mono;
|
||||
|
||||
@SuppressWarnings("unused")
|
||||
public class DatabaseSingleBucket<K, V, TH> implements DatabaseStageEntry<V> {
|
||||
|
||||
private final DatabaseStageEntry<Set<Entry<K, V>>> bucketStage;
|
||||
private final K key;
|
||||
|
||||
public DatabaseSingleBucket(DatabaseStageEntry<Set<Entry<K, V>>> bucketStage, K key) {
|
||||
this.bucketStage = bucketStage;
|
||||
this.key = key;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<V> get(@Nullable CompositeSnapshot snapshot, boolean existsAlmostCertainly) {
|
||||
return bucketStage.get(snapshot, existsAlmostCertainly).flatMap(this::extractValueTransformation);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<V> getOrDefault(@Nullable CompositeSnapshot snapshot, Mono<V> defaultValue) {
|
||||
return bucketStage.get(snapshot).flatMap(this::extractValueTransformation).switchIfEmpty(defaultValue);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Void> set(V value) {
|
||||
return this.update(prev -> value, UpdateReturnMode.NOTHING).then();
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<V> setAndGetPrevious(V value) {
|
||||
return this.update(prev -> value, UpdateReturnMode.GET_OLD_VALUE);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Boolean> setAndGetChanged(V value) {
|
||||
return this.updateAndGetDelta(prev -> value).map(LLUtils::isDeltaChanged);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<V> update(Function<@Nullable V, @Nullable V> updater,
|
||||
UpdateReturnMode updateReturnMode,
|
||||
boolean existsAlmostCertainly) {
|
||||
return bucketStage
|
||||
.update(oldBucket -> {
|
||||
V oldValue = extractValue(oldBucket);
|
||||
V newValue = updater.apply(oldValue);
|
||||
|
||||
if (newValue == null) {
|
||||
return this.removeValueOrDelete(oldBucket);
|
||||
} else {
|
||||
return this.insertValueOrCreate(oldBucket, newValue);
|
||||
}
|
||||
}, updateReturnMode, existsAlmostCertainly)
|
||||
.flatMap(this::extractValueTransformation);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Delta<V>> updateAndGetDelta(Function<@Nullable V, @Nullable V> updater, boolean existsAlmostCertainly) {
|
||||
return bucketStage
|
||||
.updateAndGetDelta(oldBucket -> {
|
||||
V oldValue = extractValue(oldBucket);
|
||||
var result = updater.apply(oldValue);
|
||||
if (result == null) {
|
||||
return this.removeValueOrDelete(oldBucket);
|
||||
} else {
|
||||
return this.insertValueOrCreate(oldBucket, result);
|
||||
}
|
||||
}, existsAlmostCertainly)
|
||||
.transform(mono -> LLUtils.mapDelta(mono, this::extractValue));
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Void> clear() {
|
||||
return this.update(prev -> null, UpdateReturnMode.NOTHING).then();
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<V> clearAndGetPrevious() {
|
||||
return this.update(prev -> null, UpdateReturnMode.GET_OLD_VALUE);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Boolean> clearAndGetStatus() {
|
||||
return this.updateAndGetDelta(prev -> null).map(LLUtils::isDeltaChanged);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Void> close() {
|
||||
return bucketStage.close();
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Long> leavesCount(@Nullable CompositeSnapshot snapshot, boolean fast) {
|
||||
return this.get(snapshot).map(prev -> 1L).defaultIfEmpty(0L);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Boolean> isEmpty(@Nullable CompositeSnapshot snapshot) {
|
||||
return this.get(snapshot).map(prev -> true).defaultIfEmpty(true);
|
||||
}
|
||||
|
||||
@Override
|
||||
public DatabaseStageEntry<V> entry() {
|
||||
return this;
|
||||
}
|
||||
|
||||
@Override
|
||||
public void release() {
|
||||
bucketStage.release();
|
||||
}
|
||||
|
||||
private Mono<V> extractValueTransformation(Set<Entry<K, V>> entries) {
|
||||
return Mono.fromCallable(() -> extractValue(entries));
|
||||
}
|
||||
|
||||
@Nullable
|
||||
private V extractValue(Set<Entry<K, V>> entries) {
|
||||
if (entries == null) return null;
|
||||
for (Entry<K, V> entry : entries) {
|
||||
if (Objects.equals(entry.getKey(), key)) {
|
||||
return entry.getValue();
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
@NotNull
|
||||
private Set<Entry<K, V>> insertValueOrCreate(@Nullable Set<Entry<K, V>> entries, V value) {
|
||||
if (entries != null) {
|
||||
var it = entries.iterator();
|
||||
while (it.hasNext()) {
|
||||
var entry = it.next();
|
||||
if (Objects.equals(entry.getKey(), key)) {
|
||||
it.remove();
|
||||
break;
|
||||
}
|
||||
}
|
||||
entries.add(Map.entry(key, value));
|
||||
return entries;
|
||||
} else {
|
||||
return new ObjectArraySet<>(new Object[] {Map.entry(key, value)});
|
||||
}
|
||||
}
|
||||
|
||||
@Nullable
|
||||
private Set<Entry<K, V>> removeValueOrDelete(@Nullable Set<Entry<K, V>> entries) {
|
||||
if (entries != null) {
|
||||
var it = entries.iterator();
|
||||
while (it.hasNext()) {
|
||||
var entry = it.next();
|
||||
if (Objects.equals(entry.getKey(), key)) {
|
||||
it.remove();
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (entries.size() == 0) {
|
||||
return null;
|
||||
} else {
|
||||
return entries;
|
||||
}
|
||||
} else {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1,6 +1,9 @@
|
||||
package it.cavallium.dbengine.database.collections;
|
||||
|
||||
import it.cavallium.dbengine.client.CompositeSnapshot;
|
||||
import it.cavallium.dbengine.database.Delta;
|
||||
import it.cavallium.dbengine.database.LLUtils;
|
||||
import it.cavallium.dbengine.database.UpdateReturnMode;
|
||||
import it.cavallium.dbengine.database.serialization.Serializer;
|
||||
import java.util.function.Function;
|
||||
import org.jetbrains.annotations.Nullable;
|
||||
@ -43,7 +46,9 @@ public class DatabaseSingleMapped<A, B> implements DatabaseStageEntry<A> {
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Boolean> update(Function<@Nullable A, @Nullable A> updater, boolean existsAlmostCertainly) {
|
||||
public Mono<A> update(Function<@Nullable A, @Nullable A> updater,
|
||||
UpdateReturnMode updateReturnMode,
|
||||
boolean existsAlmostCertainly) {
|
||||
return serializedSingle.update(oldValue -> {
|
||||
var result = updater.apply(oldValue == null ? null : this.deserialize(oldValue));
|
||||
if (result == null) {
|
||||
@ -51,7 +56,20 @@ public class DatabaseSingleMapped<A, B> implements DatabaseStageEntry<A> {
|
||||
} else {
|
||||
return this.serialize(result);
|
||||
}
|
||||
}, existsAlmostCertainly);
|
||||
}, updateReturnMode, existsAlmostCertainly).map(this::deserialize);
|
||||
}
|
||||
|
||||
@Override
|
||||
public Mono<Delta<A>> updateAndGetDelta(Function<@Nullable A, @Nullable A> updater,
|
||||
boolean existsAlmostCertainly) {
|
||||
return serializedSingle.updateAndGetDelta(oldValue -> {
|
||||
var result = updater.apply(oldValue == null ? null : this.deserialize(oldValue));
|
||||
if (result == null) {
|
||||
return null;
|
||||
} else {
|
||||
return this.serialize(result);
|
||||
}
|
||||
}, existsAlmostCertainly).transform(mono -> LLUtils.mapDelta(mono, this::deserialize));
|
||||
}
|
||||
|
||||
@Override
|
||||
|
||||
@ -1,6 +1,9 @@
|
||||
package it.cavallium.dbengine.database.collections;
|
||||
|
||||
import it.cavallium.dbengine.client.CompositeSnapshot;
|
||||
import it.cavallium.dbengine.database.Delta;
|
||||
import it.cavallium.dbengine.database.LLUtils;
|
||||
import it.cavallium.dbengine.database.UpdateReturnMode;
|
||||
import java.util.Objects;
|
||||
import java.util.function.Function;
|
||||
import org.jetbrains.annotations.Nullable;
|
||||
@ -39,10 +42,23 @@ public interface DatabaseStage<T> extends DatabaseStageWithEntry<T> {
|
||||
.switchIfEmpty(Mono.fromSupplier(() -> value != null));
|
||||
}
|
||||
|
||||
Mono<Boolean> update(Function<@Nullable T, @Nullable T> updater, boolean existsAlmostCertainly);
|
||||
default Mono<T> update(Function<@Nullable T, @Nullable T> updater,
|
||||
UpdateReturnMode updateReturnMode,
|
||||
boolean existsAlmostCertainly) {
|
||||
return this
|
||||
.updateAndGetDelta(updater, existsAlmostCertainly)
|
||||
.transform(prev -> LLUtils.resolveDelta(prev, updateReturnMode));
|
||||
}
|
||||
|
||||
default Mono<Boolean> update(Function<@Nullable T, @Nullable T> updater) {
|
||||
return update(updater, false);
|
||||
default Mono<T> update(Function<@Nullable T, @Nullable T> updater, UpdateReturnMode updateReturnMode) {
|
||||
return update(updater, updateReturnMode, false);
|
||||
}
|
||||
|
||||
Mono<Delta<T>> updateAndGetDelta(Function<@Nullable T, @Nullable T> updater,
|
||||
boolean existsAlmostCertainly);
|
||||
|
||||
default Mono<Delta<T>> updateAndGetDelta(Function<@Nullable T, @Nullable T> updater) {
|
||||
return updateAndGetDelta(updater, false);
|
||||
}
|
||||
|
||||
default Mono<Void> clear() {
|
||||
|
||||
@ -1,7 +1,11 @@
|
||||
package it.cavallium.dbengine.database.collections;
|
||||
|
||||
import io.netty.buffer.ByteBuf;
|
||||
import it.cavallium.dbengine.client.CompositeSnapshot;
|
||||
import it.cavallium.dbengine.database.Delta;
|
||||
import it.cavallium.dbengine.database.LLUtils;
|
||||
import it.cavallium.dbengine.database.UpdateMode;
|
||||
import it.cavallium.dbengine.database.UpdateReturnMode;
|
||||
import it.cavallium.dbengine.database.collections.Joiner.ValueGetter;
|
||||
import it.cavallium.dbengine.database.collections.JoinerBlocking.ValueGetterBlocking;
|
||||
import java.util.HashMap;
|
||||
@ -14,6 +18,7 @@ import org.jetbrains.annotations.Nullable;
|
||||
import reactor.core.publisher.Flux;
|
||||
import reactor.core.publisher.Mono;
|
||||
import reactor.util.function.Tuple2;
|
||||
import reactor.util.function.Tuple3;
|
||||
import reactor.util.function.Tuples;
|
||||
|
||||
@SuppressWarnings("unused")
|
||||
@ -39,18 +44,40 @@ public interface DatabaseStageMap<T, U, US extends DatabaseStage<U>> extends Dat
|
||||
|
||||
Mono<UpdateMode> getUpdateMode();
|
||||
|
||||
default Mono<Boolean> updateValue(T key, boolean existsAlmostCertainly, Function<@Nullable U, @Nullable U> updater) {
|
||||
default Mono<U> updateValue(T key, UpdateReturnMode updateReturnMode, boolean existsAlmostCertainly, Function<@Nullable U, @Nullable U> updater) {
|
||||
return this
|
||||
.at(null, key)
|
||||
.single()
|
||||
.flatMap(v -> v
|
||||
.update(updater, existsAlmostCertainly)
|
||||
.update(updater, updateReturnMode, existsAlmostCertainly)
|
||||
.doFinally(s -> v.release())
|
||||
);
|
||||
}
|
||||
|
||||
default Mono<U> updateValue(T key, UpdateReturnMode updateReturnMode, Function<@Nullable U, @Nullable U> updater) {
|
||||
return updateValue(key, updateReturnMode, false, updater);
|
||||
}
|
||||
|
||||
default Mono<Boolean> updateValue(T key, Function<@Nullable U, @Nullable U> updater) {
|
||||
return updateValue(key, false, updater);
|
||||
return updateValueAndGetDelta(key, false, updater).map(LLUtils::isDeltaChanged).single();
|
||||
}
|
||||
|
||||
default Mono<Boolean> updateValue(T key, boolean existsAlmostCertainly, Function<@Nullable U, @Nullable U> updater) {
|
||||
return updateValueAndGetDelta(key, existsAlmostCertainly, updater).map(LLUtils::isDeltaChanged).single();
|
||||
}
|
||||
|
||||
default Mono<Delta<U>> updateValueAndGetDelta(T key, boolean existsAlmostCertainly, Function<@Nullable U, @Nullable U> updater) {
|
||||
return this
|
||||
.at(null, key)
|
||||
.single()
|
||||
.flatMap(v -> v
|
||||
.updateAndGetDelta(updater, existsAlmostCertainly)
|
||||
.doFinally(s -> v.release())
|
||||
);
|
||||
}
|
||||
|
||||
default Mono<Delta<U>> updateValueAndGetDelta(T key, Function<@Nullable U, @Nullable U> updater) {
|
||||
return updateValueAndGetDelta(key, false, updater);
|
||||
}
|
||||
|
||||
default Mono<U> putValueAndGetPrevious(T key, U value) {
|
||||
@ -156,7 +183,8 @@ public interface DatabaseStageMap<T, U, US extends DatabaseStage<U>> extends Dat
|
||||
}
|
||||
|
||||
@Override
|
||||
default Mono<Boolean> update(Function<@Nullable Map<T, U>, @Nullable Map<T, U>> updater, boolean existsAlmostCertainly) {
|
||||
default Mono<Delta<Map<T, U>>> updateAndGetDelta(Function<@Nullable Map<T, U>, @Nullable Map<T, U>> updater,
|
||||
boolean existsAlmostCertainly) {
|
||||
return this
|
||||
.getUpdateMode()
|
||||
.single()
|
||||
@ -166,7 +194,7 @@ public interface DatabaseStageMap<T, U, US extends DatabaseStage<U>> extends Dat
|
||||
.getAllValues(null)
|
||||
.collectMap(Entry::getKey, Entry::getValue, HashMap::new)
|
||||
.single()
|
||||
.<Tuple2<Optional<Map<T, U>>, Boolean>>handle((v, sink) -> {
|
||||
.<Tuple2<Optional<Map<T, U>>, Optional<Map<T, U>>>>handle((v, sink) -> {
|
||||
if (v.isEmpty()) {
|
||||
v = null;
|
||||
}
|
||||
@ -174,13 +202,12 @@ public interface DatabaseStageMap<T, U, US extends DatabaseStage<U>> extends Dat
|
||||
if (result != null && result.isEmpty()) {
|
||||
result = null;
|
||||
}
|
||||
boolean changed = !Objects.equals(v, result);
|
||||
sink.next(Tuples.of(Optional.ofNullable(result), changed));
|
||||
sink.next(Tuples.of(Optional.ofNullable(v), Optional.ofNullable(result)));
|
||||
})
|
||||
.flatMap(result -> Mono
|
||||
.justOrEmpty(result.getT1())
|
||||
.justOrEmpty(result.getT2())
|
||||
.flatMap(values -> this.setAllValues(Flux.fromIterable(values.entrySet())))
|
||||
.thenReturn(result.getT2())
|
||||
.thenReturn(Delta.of(result.getT1().orElse(null), result.getT2().orElse(null)))
|
||||
);
|
||||
} else if (updateMode == UpdateMode.ALLOW) {
|
||||
return Mono.fromCallable(() -> {
|
||||
|
||||
@ -0,0 +1,50 @@
|
||||
package it.cavallium.dbengine.database.collections;
|
||||
|
||||
import io.netty.buffer.ByteBuf;
|
||||
import io.netty.buffer.ByteBufAllocator;
|
||||
import it.cavallium.dbengine.database.LLUtils;
|
||||
import it.cavallium.dbengine.database.serialization.Serializer;
|
||||
import java.util.Map;
|
||||
import java.util.Map.Entry;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
|
||||
class ValueWithHashSerializer<X, Y> implements Serializer<Entry<X, Y>, ByteBuf> {
|
||||
|
||||
private final ByteBufAllocator allocator;
|
||||
private final Serializer<X, ByteBuf> keySuffixSerializer;
|
||||
private final Serializer<Y, ByteBuf> valueSerializer;
|
||||
|
||||
ValueWithHashSerializer(ByteBufAllocator allocator,
|
||||
Serializer<X, ByteBuf> keySuffixSerializer,
|
||||
Serializer<Y, ByteBuf> valueSerializer) {
|
||||
this.allocator = allocator;
|
||||
this.keySuffixSerializer = keySuffixSerializer;
|
||||
this.valueSerializer = valueSerializer;
|
||||
}
|
||||
|
||||
@Override
|
||||
public @NotNull Entry<X, Y> deserialize(@NotNull ByteBuf serialized) {
|
||||
try {
|
||||
X deserializedKey = keySuffixSerializer.deserialize(serialized.retain());
|
||||
Y deserializedValue = valueSerializer.deserialize(serialized.retain());
|
||||
return Map.entry(deserializedKey, deserializedValue);
|
||||
} finally {
|
||||
serialized.release();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public @NotNull ByteBuf serialize(@NotNull Entry<X, Y> deserialized) {
|
||||
ByteBuf keySuffix = keySuffixSerializer.serialize(deserialized.getKey());
|
||||
try {
|
||||
ByteBuf value = valueSerializer.serialize(deserialized.getValue());
|
||||
try {
|
||||
return LLUtils.compositeBuffer(allocator, keySuffix.retain(), value.retain());
|
||||
} finally {
|
||||
value.release();
|
||||
}
|
||||
} finally {
|
||||
keySuffix.release();
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,53 @@
|
||||
package it.cavallium.dbengine.database.collections;
|
||||
|
||||
import io.netty.buffer.ByteBuf;
|
||||
import io.netty.buffer.ByteBufAllocator;
|
||||
import it.cavallium.dbengine.database.serialization.Serializer;
|
||||
import it.unimi.dsi.fastutil.objects.ObjectArraySet;
|
||||
import java.util.Set;
|
||||
import org.jetbrains.annotations.NotNull;
|
||||
|
||||
class ValuesSetSerializer<X> implements Serializer<Set<X>, ByteBuf> {
|
||||
|
||||
private final ByteBufAllocator allocator;
|
||||
private final Serializer<X, ByteBuf> entrySerializer;
|
||||
|
||||
ValuesSetSerializer(ByteBufAllocator allocator, Serializer<X, ByteBuf> entrySerializer) {
|
||||
this.allocator = allocator;
|
||||
this.entrySerializer = entrySerializer;
|
||||
}
|
||||
|
||||
@Override
|
||||
public @NotNull Set<X> deserialize(@NotNull ByteBuf serialized) {
|
||||
try {
|
||||
int entriesLength = serialized.readInt();
|
||||
Object[] values = new Object[entriesLength];
|
||||
for (int i = 0; i < entriesLength; i++) {
|
||||
X entry = entrySerializer.deserialize(serialized.retain());
|
||||
values[i] = entry;
|
||||
}
|
||||
return new ObjectArraySet<>(values);
|
||||
} finally {
|
||||
serialized.release();
|
||||
}
|
||||
}
|
||||
|
||||
@Override
|
||||
public @NotNull ByteBuf serialize(@NotNull Set<X> deserialized) {
|
||||
ByteBuf output = allocator.buffer();
|
||||
try {
|
||||
output.writeInt(deserialized.size());
|
||||
deserialized.forEach((entry) -> {
|
||||
ByteBuf serialized = entrySerializer.serialize(entry);
|
||||
try {
|
||||
output.writeBytes(serialized);
|
||||
} finally {
|
||||
serialized.release();
|
||||
}
|
||||
});
|
||||
return output.retain();
|
||||
} finally {
|
||||
output.release();
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -4,12 +4,14 @@ import io.netty.buffer.ByteBuf;
|
||||
import io.netty.buffer.ByteBufAllocator;
|
||||
import io.netty.buffer.PooledByteBufAllocator;
|
||||
import io.netty.util.ReferenceCounted;
|
||||
import it.cavallium.dbengine.database.Delta;
|
||||
import it.cavallium.dbengine.database.LLDictionary;
|
||||
import it.cavallium.dbengine.database.LLDictionaryResultType;
|
||||
import it.cavallium.dbengine.database.LLRange;
|
||||
import it.cavallium.dbengine.database.LLSnapshot;
|
||||
import it.cavallium.dbengine.database.LLUtils;
|
||||
import it.cavallium.dbengine.database.UpdateMode;
|
||||
import it.cavallium.dbengine.database.UpdateReturnMode;
|
||||
import it.unimi.dsi.fastutil.ints.IntArrayList;
|
||||
import it.unimi.dsi.fastutil.objects.ObjectArrayList;
|
||||
import java.io.IOException;
|
||||
@ -165,7 +167,7 @@ public class LLLocalDictionary implements LLDictionary {
|
||||
}
|
||||
|
||||
private int getLockIndex(ByteBuf key) {
|
||||
return Math.abs(key.hashCode() % STRIPES);
|
||||
return Math.abs(LLUtils.hashCode(key) % STRIPES);
|
||||
}
|
||||
|
||||
private IntArrayList getLockIndices(List<ByteBuf> keys) {
|
||||
@ -248,7 +250,7 @@ public class LLLocalDictionary implements LLDictionary {
|
||||
assert resultNioBuf.isDirect();
|
||||
valueSize = db.get(cfh,
|
||||
Objects.requireNonNullElse(readOptions, EMPTY_READ_OPTIONS),
|
||||
keyNioBuffer,
|
||||
keyNioBuffer.position(0),
|
||||
resultNioBuf
|
||||
);
|
||||
if (valueSize != RocksDB.NOT_FOUND) {
|
||||
@ -492,13 +494,18 @@ public class LLLocalDictionary implements LLDictionary {
|
||||
return Mono.fromSupplier(() -> updateMode);
|
||||
}
|
||||
|
||||
// Remember to change also updateAndGetDelta() if you are modifying this function
|
||||
@SuppressWarnings("DuplicatedCode")
|
||||
@Override
|
||||
public Mono<Boolean> update(ByteBuf key,
|
||||
public Mono<ByteBuf> update(ByteBuf key,
|
||||
Function<@Nullable ByteBuf, @Nullable ByteBuf> updater,
|
||||
UpdateReturnMode updateReturnMode,
|
||||
boolean existsAlmostCertainly) {
|
||||
return Mono
|
||||
.fromCallable(() -> {
|
||||
if (updateMode == UpdateMode.DISALLOW) throw new UnsupportedOperationException("update() is disallowed");
|
||||
if (updateMode == UpdateMode.DISALLOW) {
|
||||
throw new UnsupportedOperationException("update() is disallowed");
|
||||
}
|
||||
StampedLock lock;
|
||||
long stamp;
|
||||
if (updateMode == UpdateMode.ALLOW) {
|
||||
@ -514,7 +521,6 @@ public class LLLocalDictionary implements LLDictionary {
|
||||
logger.trace("Reading {}", LLUtils.toString(key));
|
||||
}
|
||||
while (true) {
|
||||
boolean changed = false;
|
||||
@Nullable ByteBuf prevData;
|
||||
var prevDataHolder = existsAlmostCertainly ? null : new Holder<byte[]>();
|
||||
if (existsAlmostCertainly || db.keyMayExist(cfh, LLUtils.toArray(key), prevDataHolder)) {
|
||||
@ -561,7 +567,6 @@ public class LLLocalDictionary implements LLDictionary {
|
||||
if (logger.isTraceEnabled()) {
|
||||
logger.trace("Deleting {}", LLUtils.toString(key));
|
||||
}
|
||||
changed = true;
|
||||
dbDelete(cfh, null, key.retain());
|
||||
} else if (newData != null
|
||||
&& (prevData == null || !LLUtils.equals(prevData, newData))) {
|
||||
@ -580,10 +585,134 @@ public class LLLocalDictionary implements LLDictionary {
|
||||
if (logger.isTraceEnabled()) {
|
||||
logger.trace("Writing {}: {}", LLUtils.toString(key), LLUtils.toString(newData));
|
||||
}
|
||||
changed = true;
|
||||
dbPut(cfh, null, key.retain(), newData.retain());
|
||||
}
|
||||
return changed;
|
||||
switch (updateReturnMode) {
|
||||
case GET_NEW_VALUE:
|
||||
return newData != null ? newData.retain() : null;
|
||||
case GET_OLD_VALUE:
|
||||
return prevData != null ? prevData.retain() : null;
|
||||
case NOTHING:
|
||||
return null;
|
||||
default:
|
||||
throw new IllegalArgumentException();
|
||||
}
|
||||
} finally {
|
||||
if (newData != null) {
|
||||
newData.release();
|
||||
}
|
||||
}
|
||||
} finally {
|
||||
if (prevData != null) {
|
||||
prevData.release();
|
||||
}
|
||||
}
|
||||
}
|
||||
} finally {
|
||||
if (updateMode == UpdateMode.ALLOW) {
|
||||
lock.unlock(stamp);
|
||||
}
|
||||
}
|
||||
})
|
||||
.onErrorMap(cause -> new IOException("Failed to read or write " + (key.refCnt() > 0 ? LLUtils.toString(key) : "(released)"), cause))
|
||||
.subscribeOn(dbScheduler)
|
||||
.doFinally(s -> key.release());
|
||||
}
|
||||
|
||||
// Remember to change also update() if you are modifying this function
|
||||
@SuppressWarnings("DuplicatedCode")
|
||||
@Override
|
||||
public Mono<Delta<ByteBuf>> updateAndGetDelta(ByteBuf key,
|
||||
Function<@Nullable ByteBuf, @Nullable ByteBuf> updater,
|
||||
boolean existsAlmostCertainly) {
|
||||
return Mono
|
||||
.fromCallable(() -> {
|
||||
if (updateMode == UpdateMode.DISALLOW) throw new UnsupportedOperationException("update() is disallowed");
|
||||
StampedLock lock;
|
||||
long stamp;
|
||||
if (updateMode == UpdateMode.ALLOW) {
|
||||
lock = itemsLock.getAt(getLockIndex(key));
|
||||
|
||||
stamp = lock.readLock();
|
||||
} else {
|
||||
lock = null;
|
||||
stamp = 0;
|
||||
}
|
||||
try {
|
||||
if (logger.isTraceEnabled()) {
|
||||
logger.trace("Reading {}", LLUtils.toString(key));
|
||||
}
|
||||
while (true) {
|
||||
@Nullable ByteBuf prevData;
|
||||
var prevDataHolder = existsAlmostCertainly ? null : new Holder<byte[]>();
|
||||
if (existsAlmostCertainly || db.keyMayExist(cfh, LLUtils.toArray(key), prevDataHolder)) {
|
||||
if (!existsAlmostCertainly && prevDataHolder.getValue() != null) {
|
||||
byte @Nullable [] prevDataBytes = prevDataHolder.getValue();
|
||||
if (prevDataBytes != null) {
|
||||
prevData = wrappedBuffer(prevDataBytes);
|
||||
} else {
|
||||
prevData = null;
|
||||
}
|
||||
} else {
|
||||
prevData = dbGet(cfh, null, key.retain(), existsAlmostCertainly);
|
||||
}
|
||||
} else {
|
||||
prevData = null;
|
||||
}
|
||||
try {
|
||||
@Nullable ByteBuf newData;
|
||||
ByteBuf prevDataToSendToUpdater = prevData == null ? null : prevData.retainedSlice();
|
||||
try {
|
||||
newData = updater.apply(prevDataToSendToUpdater == null ? null : prevDataToSendToUpdater.retain());
|
||||
assert prevDataToSendToUpdater == null
|
||||
|| prevDataToSendToUpdater.readerIndex() == 0
|
||||
|| !prevDataToSendToUpdater.isReadable();
|
||||
} finally {
|
||||
if (prevDataToSendToUpdater != null) {
|
||||
prevDataToSendToUpdater.release();
|
||||
}
|
||||
}
|
||||
try {
|
||||
if (prevData != null && newData == null) {
|
||||
//noinspection DuplicatedCode
|
||||
if (updateMode == UpdateMode.ALLOW) {
|
||||
var ws = lock.tryConvertToWriteLock(stamp);
|
||||
if (ws != 0) {
|
||||
stamp = ws;
|
||||
} else {
|
||||
lock.unlockRead(stamp);
|
||||
|
||||
stamp = lock.writeLock();
|
||||
continue;
|
||||
}
|
||||
}
|
||||
if (logger.isTraceEnabled()) {
|
||||
logger.trace("Deleting {}", LLUtils.toString(key));
|
||||
}
|
||||
dbDelete(cfh, null, key.retain());
|
||||
} else if (newData != null
|
||||
&& (prevData == null || !LLUtils.equals(prevData, newData))) {
|
||||
//noinspection DuplicatedCode
|
||||
if (updateMode == UpdateMode.ALLOW) {
|
||||
var ws = lock.tryConvertToWriteLock(stamp);
|
||||
if (ws != 0) {
|
||||
stamp = ws;
|
||||
} else {
|
||||
lock.unlockRead(stamp);
|
||||
|
||||
stamp = lock.writeLock();
|
||||
continue;
|
||||
}
|
||||
}
|
||||
if (logger.isTraceEnabled()) {
|
||||
logger.trace("Writing {}: {}", LLUtils.toString(key), LLUtils.toString(newData));
|
||||
}
|
||||
dbPut(cfh, null, key.retain(), newData.retain());
|
||||
}
|
||||
return Delta.of(
|
||||
prevData != null ? prevData.retain() : null,
|
||||
newData != null ? newData.retain() : null
|
||||
);
|
||||
} finally {
|
||||
if (newData != null) {
|
||||
newData.release();
|
||||
|
||||
@ -42,8 +42,9 @@ public interface Serializer<A, B> {
|
||||
@Override
|
||||
public @NotNull String deserialize(@NotNull ByteBuf serialized) {
|
||||
try {
|
||||
var result = serialized.toString(StandardCharsets.UTF_8);
|
||||
serialized.readerIndex(serialized.writerIndex());
|
||||
var length = serialized.readInt();
|
||||
var result = serialized.toString(serialized.readerIndex(), length, StandardCharsets.UTF_8);
|
||||
serialized.readerIndex(serialized.readerIndex() + length);
|
||||
return result;
|
||||
} finally {
|
||||
serialized.release();
|
||||
@ -53,7 +54,9 @@ public interface Serializer<A, B> {
|
||||
@Override
|
||||
public @NotNull ByteBuf serialize(@NotNull String deserialized) {
|
||||
// UTF-8 uses max. 3 bytes per char, so calculate the worst case.
|
||||
ByteBuf buf = allocator.buffer(ByteBufUtil.utf8MaxBytes(deserialized));
|
||||
int length = ByteBufUtil.utf8Bytes(deserialized);
|
||||
ByteBuf buf = allocator.buffer(Integer.BYTES + length);
|
||||
buf.writeInt(length);
|
||||
ByteBufUtil.writeUtf8(buf, deserialized);
|
||||
return buf;
|
||||
}
|
||||
|
||||
@ -102,21 +102,21 @@ public class DbTestUtils {
|
||||
);
|
||||
} else {
|
||||
return DatabaseMapDictionaryHashed.simple(dictionary,
|
||||
SerializerFixedBinaryLength.utf8(DbTestUtils.ALLOCATOR, keyBytes),
|
||||
Serializer.utf8(DbTestUtils.ALLOCATOR),
|
||||
String::hashCode,
|
||||
Serializer.utf8(DbTestUtils.ALLOCATOR),
|
||||
s -> (short) s.hashCode(),
|
||||
new SerializerFixedBinaryLength<>() {
|
||||
@Override
|
||||
public int getSerializedBinaryLength() {
|
||||
return keyBytes;
|
||||
return Short.BYTES;
|
||||
}
|
||||
|
||||
@Override
|
||||
public @NotNull Integer deserialize(@NotNull ByteBuf serialized) {
|
||||
public @NotNull Short deserialize(@NotNull ByteBuf serialized) {
|
||||
try {
|
||||
var prevReaderIdx = serialized.readerIndex();
|
||||
var val = serialized.readInt();
|
||||
serialized.readerIndex(prevReaderIdx + keyBytes);
|
||||
var val = serialized.readShort();
|
||||
serialized.readerIndex(prevReaderIdx + Short.BYTES);
|
||||
return val;
|
||||
} finally {
|
||||
serialized.release();
|
||||
@ -124,11 +124,11 @@ public class DbTestUtils {
|
||||
}
|
||||
|
||||
@Override
|
||||
public @NotNull ByteBuf serialize(@NotNull Integer deserialized) {
|
||||
var out = DbTestUtils.ALLOCATOR.directBuffer(keyBytes);
|
||||
public @NotNull ByteBuf serialize(@NotNull Short deserialized) {
|
||||
var out = DbTestUtils.ALLOCATOR.directBuffer(Short.BYTES);
|
||||
try {
|
||||
out.writeInt(deserialized);
|
||||
out.writerIndex(keyBytes);
|
||||
out.writeShort(deserialized);
|
||||
out.writerIndex(Short.BYTES);
|
||||
return out.retain();
|
||||
} finally {
|
||||
out.release();
|
||||
@ -139,14 +139,32 @@ public class DbTestUtils {
|
||||
}
|
||||
}
|
||||
|
||||
public static <T, U> DatabaseMapDictionaryDeep<String, Map<String, String>, DatabaseMapDictionary<String, String>> tempDatabaseMapDictionaryDeepMap(
|
||||
public static <T, U> DatabaseMapDictionaryDeep<String, Map<String, String>,
|
||||
DatabaseMapDictionary<String, String>> tempDatabaseMapDictionaryDeepMap(
|
||||
LLDictionary dictionary,
|
||||
int key1Bytes,
|
||||
int key2Bytes) {
|
||||
return DatabaseMapDictionaryDeep.deepTail(dictionary,
|
||||
SerializerFixedBinaryLength.utf8(DbTestUtils.ALLOCATOR, key1Bytes),
|
||||
key2Bytes,
|
||||
new SubStageGetterMap<>(SerializerFixedBinaryLength.utf8(DbTestUtils.ALLOCATOR, key2Bytes), Serializer.utf8(DbTestUtils.ALLOCATOR))
|
||||
new SubStageGetterMap<>(SerializerFixedBinaryLength.utf8(DbTestUtils.ALLOCATOR, key2Bytes),
|
||||
Serializer.utf8(DbTestUtils.ALLOCATOR)
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
public static <T, U> DatabaseMapDictionaryDeep<String, Map<String, String>,
|
||||
DatabaseMapDictionaryHashed<String, String, Integer>> tempDatabaseMapDictionaryDeepMapHashMap(
|
||||
LLDictionary dictionary,
|
||||
int key1Bytes) {
|
||||
return DatabaseMapDictionaryDeep.deepTail(dictionary,
|
||||
SerializerFixedBinaryLength.utf8(DbTestUtils.ALLOCATOR, key1Bytes),
|
||||
Integer.BYTES,
|
||||
new SubStageGetterHashMap<>(Serializer.utf8(DbTestUtils.ALLOCATOR),
|
||||
Serializer.utf8(DbTestUtils.ALLOCATOR),
|
||||
String::hashCode,
|
||||
SerializerFixedBinaryLength.intSerializer(DbTestUtils.ALLOCATOR)
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
|
||||
@ -4,6 +4,7 @@ import static it.cavallium.dbengine.DbTestUtils.*;
|
||||
|
||||
import it.cavallium.dbengine.database.UpdateMode;
|
||||
import java.util.Arrays;
|
||||
import java.util.List;
|
||||
import java.util.Map;
|
||||
import java.util.Map.Entry;
|
||||
import java.util.Objects;
|
||||
@ -36,25 +37,25 @@ public class TestDictionaryMap {
|
||||
+ "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
|
||||
|
||||
private static Stream<Arguments> provideArgumentsPut() {
|
||||
var goodKeys = Set.of("12345");
|
||||
Set<String> badKeys;
|
||||
var goodKeys = List.of("12345");
|
||||
List<String> badKeys;
|
||||
if (isTestBadKeysEnabled()) {
|
||||
badKeys = Set.of("", "aaaa", "aaaaaa");
|
||||
badKeys = List.of("", "aaaa", "aaaaaa");
|
||||
} else {
|
||||
badKeys = Set.of();
|
||||
badKeys = List.of();
|
||||
}
|
||||
Set<Tuple2<String, Boolean>> keys = Stream.concat(
|
||||
List<Tuple2<String, Boolean>> keys = Stream.concat(
|
||||
goodKeys.stream().map(s -> Tuples.of(s, false)),
|
||||
badKeys.stream().map(s -> Tuples.of(s, true))
|
||||
).collect(Collectors.toSet());
|
||||
var values = Set.of("", "\0", BIG_STRING);
|
||||
).collect(Collectors.toList());
|
||||
var values = List.of("", "\0", BIG_STRING);
|
||||
|
||||
return keys
|
||||
.stream()
|
||||
.flatMap(keyTuple -> {
|
||||
Stream<String> strm;
|
||||
if (keyTuple.getT2()) {
|
||||
strm = values.stream().limit(1);
|
||||
strm = values.stream().findFirst().stream();
|
||||
} else {
|
||||
strm = values.stream();
|
||||
}
|
||||
@ -72,8 +73,9 @@ public class TestDictionaryMap {
|
||||
), Tuples.of(DbType.HASH_MAP, entryTuple.getT1(),
|
||||
entryTuple.getT2(),
|
||||
entryTuple.getT3(),
|
||||
entryTuple.getT4()
|
||||
false
|
||||
)))
|
||||
.filter(tuple -> !(tuple.getT1() == DbType.HASH_MAP && tuple.getT2() != UpdateMode.ALLOW))
|
||||
.map(fullTuple -> Arguments.of(fullTuple.getT1(), fullTuple.getT2(), fullTuple.getT3(), fullTuple.getT4(), fullTuple.getT5()));
|
||||
}
|
||||
|
||||
@ -290,18 +292,18 @@ public class TestDictionaryMap {
|
||||
}
|
||||
|
||||
private static Stream<Arguments> provideArgumentsPutMulti() {
|
||||
var goodKeys = Set.of(Set.of("12345", "67890"), Set.<String>of());
|
||||
Set<Set<String>> badKeys;
|
||||
var goodKeys = List.of(List.of("12345", "67890"), List.<String>of());
|
||||
List<List<String>> badKeys;
|
||||
if (isTestBadKeysEnabled()) {
|
||||
badKeys = Set.of(Set.of("", "12345"), Set.of("45678", "aaaa"), Set.of("aaaaaa", "capra"));
|
||||
badKeys = List.of(List.of("", "12345"), List.of("45678", "aaaa"), List.of("aaaaaa", "capra"));
|
||||
} else {
|
||||
badKeys = Set.of();
|
||||
badKeys = List.of();
|
||||
}
|
||||
Set<Tuple2<Set<String>, Boolean>> keys = Stream.concat(
|
||||
List<Tuple2<List<String>, Boolean>> keys = Stream.concat(
|
||||
goodKeys.stream().map(s -> Tuples.of(s, false)),
|
||||
badKeys.stream().map(s -> Tuples.of(s, true))
|
||||
).collect(Collectors.toSet());
|
||||
var values = Set.of("", "\0", BIG_STRING);
|
||||
).collect(Collectors.toList());
|
||||
var values = List.of("", "\0", BIG_STRING);
|
||||
|
||||
return keys
|
||||
.stream()
|
||||
@ -319,8 +321,9 @@ public class TestDictionaryMap {
|
||||
entryTuple.getT3()
|
||||
), Tuples.of(DbType.HASH_MAP, entryTuple.getT1(),
|
||||
entryTuple.getT2(),
|
||||
entryTuple.getT3()
|
||||
false
|
||||
)))
|
||||
.filter(tuple -> !(tuple.getT1() == DbType.HASH_MAP && tuple.getT2() != UpdateMode.ALLOW))
|
||||
.map(fullTuple -> Arguments.of(fullTuple.getT1(), fullTuple.getT2(), fullTuple.getT3(), fullTuple.getT4()));
|
||||
}
|
||||
|
||||
@ -438,7 +441,7 @@ public class TestDictionaryMap {
|
||||
if (entries.isEmpty()) {
|
||||
removalMono = Mono.empty();
|
||||
} else {
|
||||
removalMono = map.remove(entries.keySet().stream().findAny().orElseThrow());
|
||||
removalMono = map.remove(entries.keySet().stream().findFirst().orElseThrow());
|
||||
}
|
||||
return Flux
|
||||
.concat(
|
||||
@ -609,9 +612,10 @@ public class TestDictionaryMap {
|
||||
)
|
||||
.doFinally(s -> map.release())
|
||||
)
|
||||
.flatMap(val -> shouldFail ? Mono.empty() : Mono.just(val))
|
||||
));
|
||||
if (shouldFail) {
|
||||
stpVer.expectNext(true).verifyError();
|
||||
stpVer.verifyError();
|
||||
} else {
|
||||
stpVer.expectNext(true, entries.isEmpty()).verifyComplete();
|
||||
}
|
||||
@ -634,9 +638,10 @@ public class TestDictionaryMap {
|
||||
)
|
||||
.doFinally(s -> map.release())
|
||||
)
|
||||
.flatMap(val -> shouldFail ? Mono.empty() : Mono.just(val))
|
||||
));
|
||||
if (shouldFail) {
|
||||
stpVer.expectNext(true).verifyError();
|
||||
stpVer.verifyError();
|
||||
} else {
|
||||
stpVer.expectNext(true, entries.isEmpty(), true).verifyComplete();
|
||||
}
|
||||
|
||||
@ -0,0 +1,121 @@
|
||||
package it.cavallium.dbengine;
|
||||
|
||||
import static it.cavallium.dbengine.DbTestUtils.tempDatabaseMapDictionaryDeepMapHashMap;
|
||||
import static it.cavallium.dbengine.DbTestUtils.tempDb;
|
||||
import static it.cavallium.dbengine.DbTestUtils.tempDictionary;
|
||||
|
||||
import it.cavallium.dbengine.database.UpdateMode;
|
||||
import java.util.Arrays;
|
||||
import java.util.Map;
|
||||
import java.util.Map.Entry;
|
||||
import java.util.Objects;
|
||||
import java.util.Set;
|
||||
import java.util.concurrent.ConcurrentHashMap;
|
||||
import java.util.stream.Collectors;
|
||||
import java.util.stream.Stream;
|
||||
import org.junit.jupiter.params.ParameterizedTest;
|
||||
import org.junit.jupiter.params.provider.Arguments;
|
||||
import org.junit.jupiter.params.provider.MethodSource;
|
||||
import reactor.core.publisher.Flux;
|
||||
import reactor.core.publisher.Mono;
|
||||
import reactor.test.StepVerifier;
|
||||
import reactor.test.StepVerifier.Step;
|
||||
import reactor.util.function.Tuple2;
|
||||
import reactor.util.function.Tuple3;
|
||||
import reactor.util.function.Tuple4;
|
||||
import reactor.util.function.Tuples;
|
||||
|
||||
public class TestDictionaryMapDeepHashMap {
|
||||
|
||||
private static boolean isTestBadKeysEnabled() {
|
||||
return System.getProperty("badkeys", "true").equalsIgnoreCase("true");
|
||||
}
|
||||
|
||||
private static final String BIG_STRING
|
||||
= "01234567890123456789012345678901234567890123456789012345678901234567890123456789"
|
||||
+ "01234567890123456789012345678901234567890123456789012345678901234567890123456789"
|
||||
+ "01234567890123456789012345678901234567890123456789012345678901234567890123456789"
|
||||
+ "01234567890123456789012345678901234567890123456789012345678901234567890123456789"
|
||||
+ "01234567890123456789012345678901234567890123456789012345678901234567890123456789"
|
||||
+ "01234567890123456789012345678901234567890123456789012345678901234567890123456789";
|
||||
|
||||
private static Stream<Arguments> provideArgumentsPut() {
|
||||
var goodKeys1 = Set.of("12345", "zebra");
|
||||
Set<String> badKeys1;
|
||||
if (isTestBadKeysEnabled()) {
|
||||
badKeys1 = Set.of("", "a", "aaaa", "aaaaaa");
|
||||
} else {
|
||||
badKeys1 = Set.of();
|
||||
}
|
||||
var goodKeys2 = Set.of("123456", "anatra", "", "a", "aaaaa", "aaaaaaa");
|
||||
|
||||
var values = Set.of("a", "", "\0", "\0\0", "z", "azzszgzczqz", BIG_STRING);
|
||||
|
||||
Flux<Tuple4<String, String, String, Boolean>> failOnKeys1 = Flux
|
||||
.fromIterable(badKeys1)
|
||||
.map(badKey1 -> Tuples.of(
|
||||
badKey1,
|
||||
goodKeys2.stream().findAny().orElseThrow(),
|
||||
values.stream().findAny().orElseThrow(),
|
||||
true
|
||||
));
|
||||
|
||||
Flux<Tuple4<String, String, String, Boolean>> goodKeys1And2 = Flux
|
||||
.fromIterable(values)
|
||||
.map(value -> Tuples.of(
|
||||
goodKeys1.stream().findAny().orElseThrow(),
|
||||
goodKeys2.stream().findAny().orElseThrow(),
|
||||
value,
|
||||
false
|
||||
));
|
||||
|
||||
Flux<Tuple4<String, String, String, Boolean>> keys1And2 = Flux
|
||||
.concat(
|
||||
goodKeys1And2,
|
||||
failOnKeys1
|
||||
);
|
||||
|
||||
return keys1And2
|
||||
.flatMap(entryTuple -> Flux
|
||||
.fromArray(UpdateMode.values())
|
||||
.map(updateMode -> Tuples.of(updateMode,
|
||||
entryTuple.getT1(),
|
||||
entryTuple.getT2(),
|
||||
entryTuple.getT3(),
|
||||
entryTuple.getT4()
|
||||
))
|
||||
)
|
||||
.map(fullTuple -> Arguments.of(fullTuple.getT1(),
|
||||
fullTuple.getT2(),
|
||||
fullTuple.getT3(),
|
||||
fullTuple.getT4(),
|
||||
fullTuple.getT1() != UpdateMode.ALLOW || fullTuple.getT5()
|
||||
))
|
||||
.toStream();
|
||||
}
|
||||
|
||||
@ParameterizedTest
|
||||
@MethodSource("provideArgumentsPut")
|
||||
public void testAtPutValueGetAllValues(UpdateMode updateMode, String key1, String key2, String value, boolean shouldFail) {
|
||||
var stpVer = StepVerifier
|
||||
.create(tempDb(db -> tempDictionary(db, updateMode)
|
||||
.map(dict -> tempDatabaseMapDictionaryDeepMapHashMap(dict, 5))
|
||||
.flatMapMany(map -> map
|
||||
.at(null, key1).flatMap(v -> v.putValue(key2, value).doFinally(s -> v.release()))
|
||||
.thenMany(map
|
||||
.getAllValues(null)
|
||||
.map(Entry::getValue)
|
||||
.flatMap(maps -> Flux.fromIterable(maps.entrySet()))
|
||||
.map(Entry::getValue)
|
||||
)
|
||||
.doFinally(s -> map.release())
|
||||
)
|
||||
));
|
||||
if (shouldFail) {
|
||||
stpVer.verifyError();
|
||||
} else {
|
||||
stpVer.expectNext(value).verifyComplete();
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user