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Update CodecsExample.java, Codecs.java, and 2 more files...

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This commit is contained in:
Andrea Cavalli 2021-02-05 00:13:53 +01:00
parent 151884b772
commit 527f8afea5
4 changed files with 69 additions and 27 deletions
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7
src/example/java/it.cavallium.dbengine.client/CodecsExample.java
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@ -11,7 +11,8 @@ import it.cavallium.dbengine.database.collections.SubStageGetterSingleBytes;
import it.cavallium.dbengine.database.disk.LLLocalDatabaseConnection;
import it.cavallium.dbengine.database.serialization.Codec;
import it.cavallium.dbengine.database.serialization.CodecSerializer;
import it.cavallium.dbengine.database.serialization.Codecs;
import it.cavallium.dbengine.database.serialization.CodecsArray;
import it.cavallium.dbengine.database.serialization.CodecsStandard;
import it.cavallium.dbengine.database.serialization.SerializerFixedBinaryLength;
import java.io.IOException;
import java.nio.file.Files;
@ -91,7 +92,7 @@ public class CodecsExample {
private static SubStageGetterSingle<CurrentCustomType> getNewSubStageGetter() {
var newCodec = new NewCustomTypeCodecV2();
var newCodecs = new Codecs<CurrentCustomType>();
var newCodecs = new CodecsStandard<CurrentCustomType>();
newCodecs.registerCodec(1, new NewCustomTypeCodecV1());
newCodecs.registerCodec(2, newCodec);
var newSerializer = new CodecSerializer<>(newCodecs, newCodec, 2, true);
@ -100,7 +101,7 @@ public class CodecsExample {
private static SubStageGetterSingle<OldCustomType> getOldSubStageGetter() {
var oldCodec = new OldCustomTypeCodec();
var oldCodecs = new Codecs<OldCustomType>();
var oldCodecs = new CodecsArray<OldCustomType>();
oldCodecs.registerCodec(1, oldCodec);
var oldSerializer = new CodecSerializer<>(oldCodecs, oldCodec, 1, true);
return new SubStageGetterSingle<>(oldSerializer);

27
src/main/java/it/cavallium/dbengine/database/serialization/Codecs.java
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@ -1,29 +1,8 @@
package it.cavallium.dbengine.database.serialization;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
import org.warp.commonutils.concurrency.atomicity.NotAtomic;
public interface Codecs<A> {
@NotAtomic
public class Codecs<A> {
void registerCodec(int id, Codec<A> serializer);
private final Int2ObjectMap<Codec<A>> codecs;
public Codecs() {
codecs = new Int2ObjectOpenHashMap<>();
}
public void registerCodec(int id, Codec<A> serializer) {
if (codecs.put(id, serializer) != null) {
throw new IllegalArgumentException("Codec " + id + " already registered!");
}
}
public Codec<A> getCodec(int id) {
var codec = codecs.get(id);
if (codec == null) {
throw new UnsupportedOperationException("Unsupported codec " + id);
}
return codec;
}
Codec<A> getCodec(int id);
}

31
src/main/java/it/cavallium/dbengine/database/serialization/CodecsArray.java Normal file
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@ -0,0 +1,31 @@
package it.cavallium.dbengine.database.serialization;
import org.warp.commonutils.concurrency.atomicity.NotAtomic;
@NotAtomic
public class CodecsArray<A> implements Codecs<A> {
private final Codec<A>[] codecs;
public CodecsArray() {
//noinspection unchecked
codecs = new Codec[256];
}
@Override
public synchronized void registerCodec(int id, Codec<A> serializer) {
if (codecs[id] != null) {
throw new IllegalArgumentException("Codec " + id + " already registered!");
}
codecs[id] = serializer;
}
@Override
public Codec<A> getCodec(int id) {
var codec = codecs[id];
if (codec == null) {
throw new UnsupportedOperationException("Unsupported codec " + id);
}
return codec;
}
}

31
src/main/java/it/cavallium/dbengine/database/serialization/CodecsStandard.java Normal file
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@ -0,0 +1,31 @@
package it.cavallium.dbengine.database.serialization;
import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
import it.unimi.dsi.fastutil.ints.Int2ObjectOpenHashMap;
import org.warp.commonutils.concurrency.atomicity.NotAtomic;
@NotAtomic
public class CodecsStandard<A> implements Codecs<A> {
private final Int2ObjectMap<Codec<A>> codecs;
public CodecsStandard() {
codecs = new Int2ObjectOpenHashMap<>();
}
@Override
public void registerCodec(int id, Codec<A> serializer) {
if (codecs.put(id, serializer) != null) {
throw new IllegalArgumentException("Codec " + id + " already registered!");
}
}
@Override
public Codec<A> getCodec(int id) {
var codec = codecs.get(id);
if (codec == null) {
throw new UnsupportedOperationException("Unsupported codec " + id);
}
return codec;
}
}