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Throw exception if running in a nonblocking scope

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This commit is contained in:
Andrea Cavalli 2021-09-05 14:23:46 +02:00
parent 1882e8b300
commit 4c348a6b2f
14 changed files with 171 additions and 12 deletions
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57
src/main/java/it/cavallium/dbengine/database/disk/LLLocalDictionary.java
View File

@ -287,6 +287,9 @@ public class LLLocalDictionary implements LLDictionary {
Send<Buffer> keySend,
boolean existsAlmostCertainly) throws RocksDBException {
try (var key = keySend.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called dbGet in a nonblocking thread");
}
if (databaseOptions.allowNettyDirect()) {
//todo: implement keyMayExist if existsAlmostCertainly is false.
@ -404,6 +407,9 @@ public class LLLocalDictionary implements LLDictionary {
try {
try (var key = keyToReceive.receive()) {
try (var value = valueToReceive.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called dbPut in a nonblocking thread");
}
if (databaseOptions.allowNettyDirect()) {
var keyNioBuffer = LLUtils.convertToDirect(alloc, key.send());
try (var ignored1 = keyNioBuffer.buffer().receive()) {
@ -460,6 +466,9 @@ public class LLLocalDictionary implements LLDictionary {
AbstractSlice<?> slice2 = null;
try {
try (var range = rangeSend.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called containsRange in a nonblocking thread");
}
try (var readOpts = new ReadOptions(resolveSnapshot(snapshot))) {
readOpts.setVerifyChecksums(VERIFY_CHECKSUMS_WHEN_NOT_NEEDED);
readOpts.setFillCache(false);
@ -525,6 +534,9 @@ public class LLLocalDictionary implements LLDictionary {
return Mono.usingWhen(keyMono,
keySend -> runOnDb(() -> {
try (var key = keySend.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called containsKey in a nonblocking thread");
}
StampedLock lock;
long stamp;
if (updateMode == UpdateMode.ALLOW) {
@ -623,6 +635,9 @@ public class LLLocalDictionary implements LLDictionary {
return Mono.usingWhen(keyMono,
keySend -> runOnDb(() -> {
try (var key = keySend.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called update in a nonblocking thread");
}
if (updateMode == UpdateMode.DISALLOW) {
throw new UnsupportedOperationException("update() is disallowed");
}
@ -762,6 +777,9 @@ public class LLLocalDictionary implements LLDictionary {
return Mono.usingWhen(keyMono,
keySend -> this.runOnDb(() -> {
try (var key = keySend.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called update in a nonblocking thread");
}
if (updateMode == UpdateMode.DISALLOW) {
throw new UnsupportedOperationException("update() is disallowed");
}
@ -883,6 +901,9 @@ public class LLLocalDictionary implements LLDictionary {
private void dbDelete(ColumnFamilyHandle cfh, @Nullable WriteOptions writeOptions, Send<Buffer> keyToReceive)
throws RocksDBException {
try (var key = keyToReceive.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called dbDelete in a nonblocking thread");
}
var validWriteOptions = Objects.requireNonNullElse(writeOptions, EMPTY_WRITE_OPTIONS);
if (databaseOptions.allowNettyDirect()) {
var keyNioBuffer = LLUtils.convertToDirect(alloc, key.send());
@ -947,6 +968,9 @@ public class LLLocalDictionary implements LLDictionary {
keySend -> this
.runOnDb(() -> {
try (var key = keySend.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called getPreviousData in a nonblocking thread");
}
StampedLock lock;
long stamp;
if (updateMode == UpdateMode.ALLOW) {
@ -1012,6 +1036,9 @@ public class LLLocalDictionary implements LLDictionary {
keyBufsWindow.add(bufferSend.receive());
}
try {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called getMulti in a nonblocking thread");
}
Iterable<StampedLock> locks;
ArrayList<Long> stamps;
if (updateMode == UpdateMode.ALLOW) {
@ -1088,6 +1115,9 @@ public class LLLocalDictionary implements LLDictionary {
entriesWindow.add(entrySend.receive());
}
try {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called putMulti in a nonblocking thread");
}
Iterable<StampedLock> locks;
ArrayList<Long> stamps;
if (updateMode == UpdateMode.ALLOW) {
@ -1188,6 +1218,9 @@ public class LLLocalDictionary implements LLDictionary {
entriesWindow.add(tuple.mapT1(Send::receive));
}
try {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called updateMulti in a nonblocking thread");
}
List<Buffer> keyBufsWindow = new ArrayList<>(entriesWindow.size());
for (Tuple2<Buffer, X> objects : entriesWindow) {
keyBufsWindow.add(objects.getT1());
@ -1542,6 +1575,9 @@ public class LLLocalDictionary implements LLDictionary {
return this
.<Void>runOnDb(() -> {
try (var range = rangeSend.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called setRange in a nonblocking thread");
}
if (!USE_WRITE_BATCH_IN_SET_RANGE_DELETE || !USE_WRITE_BATCHES_IN_SET_RANGE) {
assert EMPTY_READ_OPTIONS.isOwningHandle();
try (var opts = new ReadOptions(EMPTY_READ_OPTIONS)) {
@ -1912,6 +1948,9 @@ public class LLLocalDictionary implements LLDictionary {
public Mono<Void> clear() {
return Mono
.<Void>fromCallable(() -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called clear in a nonblocking thread");
}
try (var readOpts = new ReadOptions(getReadOptions(null))) {
readOpts.setVerifyChecksums(VERIFY_CHECKSUMS_WHEN_NOT_NEEDED);
@ -1971,6 +2010,9 @@ public class LLLocalDictionary implements LLDictionary {
return Mono.usingWhen(rangeMono,
rangeSend -> {
try (var range = rangeSend.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called sizeRange in a nonblocking thread");
}
if (range.isAll()) {
return this
.runOnDb(() -> fast ? fastSizeAll(snapshot) : exactSizeAll(snapshot))
@ -2044,6 +2086,9 @@ public class LLLocalDictionary implements LLDictionary {
return Mono.usingWhen(rangeMono,
rangeSend -> runOnDb(() -> {
try (var range = rangeSend.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called getOne in a nonblocking thread");
}
try (var readOpts = new ReadOptions(resolveSnapshot(snapshot))) {
ReleasableSlice minBound;
if (range.hasMin()) {
@ -2102,6 +2147,9 @@ public class LLLocalDictionary implements LLDictionary {
return Mono.usingWhen(rangeMono,
rangeSend -> runOnDb(() -> {
try (var range = rangeSend.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called getOneKey in a nonblocking thread");
}
try (var readOpts = new ReadOptions(resolveSnapshot(snapshot))) {
ReleasableSlice minBound;
if (range.hasMin()) {
@ -2183,6 +2231,9 @@ public class LLLocalDictionary implements LLDictionary {
}
private long exactSizeAll(@Nullable LLSnapshot snapshot) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called exactSizeAll in a nonblocking thread");
}
try (var readOpts = new ReadOptions(resolveSnapshot(snapshot))) {
readOpts.setFillCache(false);
readOpts.setReadaheadSize(32 * 1024); // 32KiB
@ -2264,6 +2315,9 @@ public class LLLocalDictionary implements LLDictionary {
return Mono.usingWhen(rangeMono,
rangeSend -> runOnDb(() -> {
try (var range = rangeSend.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called removeOne in a nonblocking thread");
}
try (var readOpts = new ReadOptions(getReadOptions(null))) {
ReleasableSlice minBound;
if (range.hasMin()) {
@ -2325,6 +2379,9 @@ public class LLLocalDictionary implements LLDictionary {
RocksDB db,
ColumnFamilyHandle cfh) {
try (var range = rangeToReceive.receive()) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called getRocksIterator in a nonblocking thread");
}
ReleasableSlice sliceMin;
ReleasableSlice sliceMax;
if (range.hasMin()) {

6
src/main/java/it/cavallium/dbengine/database/disk/LLLocalKeyValueDatabase.java
View File

@ -213,6 +213,9 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
}
private void flushDb(RocksDB db, List<ColumnFamilyHandle> handles) throws RocksDBException {
if (Schedulers.isInNonBlockingThread()) {
logger.error("Called flushDb in a nonblocking thread");
}
// force flush the database
try (var flushOptions = new FlushOptions().setWaitForFlush(true).setAllowWriteStall(true)) {
db.flush(flushOptions);
@ -227,6 +230,9 @@ public class LLLocalKeyValueDatabase implements LLKeyValueDatabase {
@SuppressWarnings("unused")
private void compactDb(RocksDB db, List<ColumnFamilyHandle> handles) {
if (Schedulers.isInNonBlockingThread()) {
logger.error("Called compactDb in a nonblocking thread");
}
// force compact the database
for (ColumnFamilyHandle cfh : handles) {
var t = new Thread(() -> {

14
src/main/java/it/cavallium/dbengine/database/disk/LLLocalSingleton.java
View File

@ -13,6 +13,7 @@ import org.rocksdb.RocksDBException;
import org.rocksdb.Snapshot;
import reactor.core.publisher.Mono;
import reactor.core.scheduler.Scheduler;
import reactor.core.scheduler.Schedulers;
public class LLLocalSingleton implements LLSingleton {
@ -33,6 +34,9 @@ public class LLLocalSingleton implements LLSingleton {
this.databaseName = databaseName;
this.snapshotResolver = snapshotResolver;
this.name = name;
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Initialized in a nonblocking thread");
}
if (db.get(cfh, this.name) == null) {
db.put(cfh, this.name, defaultValue);
}
@ -49,7 +53,12 @@ public class LLLocalSingleton implements LLSingleton {
@Override
public Mono<byte[]> get(@Nullable LLSnapshot snapshot) {
return Mono
.fromCallable(() -> db.get(cfh, resolveSnapshot(snapshot), name))
.fromCallable(() -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called get in a nonblocking thread");
}
return db.get(cfh, resolveSnapshot(snapshot), name);
})
.onErrorMap(cause -> new IOException("Failed to read " + Arrays.toString(name), cause));
}
@ -57,6 +66,9 @@ public class LLLocalSingleton implements LLSingleton {
public Mono<Void> set(byte[] value) {
return Mono
.<Void>fromCallable(() -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called set in a nonblocking thread");
}
db.put(cfh, name, value);
return null;
})

25
src/main/java/it/cavallium/dbengine/lucene/LuceneUtils.java
View File

@ -190,6 +190,9 @@ public class LuceneUtils {
@NotNull
public static String keyOfTopDoc(int docId, IndexReader indexReader,
String keyFieldName) throws IOException, NoSuchElementException {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called keyOfTopDoc in a nonblocking thread");
}
if (docId > indexReader.maxDoc()) {
throw new IOException("Document " + docId + " > maxDoc (" +indexReader.maxDoc() + ")");
}
@ -269,7 +272,16 @@ public class LuceneUtils {
}
}
public static void readInternalAligned(Object ref, FileChannel channel, long pos, ByteBuffer b, int readLength, int usefulLength, long end) throws IOException {
public static void readInternalAligned(Object ref,
FileChannel channel,
long pos,
ByteBuffer b,
int readLength,
int usefulLength,
long end) throws IOException {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called readInternalAligned in a nonblocking thread");
}
int startBufPosition = b.position();
int readData = 0;
int i;
@ -365,7 +377,7 @@ public class LuceneUtils {
} else {
return hitsFlux
.parallel()
.runOn(Schedulers.parallel())
.runOn(Schedulers.boundedElastic())
.map(hit -> {
var result = mapHitBlocking(hit, indexSearchers, keyFieldName);
// The "else" value is an errored key score, to filter out next
@ -382,6 +394,9 @@ public class LuceneUtils {
private static LLKeyScore mapHitBlocking(ScoreDoc hit,
IndexSearchers indexSearchers,
String keyFieldName) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called mapHitBlocking in a nonblocking thread");
}
int shardDocId = hit.doc;
int shardIndex = hit.shardIndex;
float score = hit.score;
@ -413,7 +428,11 @@ public class LuceneUtils {
}
}
public static TopDocs mergeTopDocs(Sort sort, @Nullable Integer startN, @Nullable Integer topN, TopDocs[] topDocs, Comparator<ScoreDoc> tieBreaker) {
public static TopDocs mergeTopDocs(Sort sort,
@Nullable Integer startN,
@Nullable Integer topN,
TopDocs[] topDocs,
Comparator<ScoreDoc> tieBreaker) {
if ((startN == null) != (topN == null)) {
throw new IllegalArgumentException("You must pass startN and topN together or nothing");
}

4
src/main/java/it/cavallium/dbengine/lucene/searcher/AdaptiveLuceneLocalSearcher.java
View File

@ -3,6 +3,7 @@ package it.cavallium.dbengine.lucene.searcher;
import org.apache.lucene.search.IndexSearcher;
import reactor.core.publisher.Mono;
import reactor.core.scheduler.Scheduler;
import reactor.core.scheduler.Schedulers;
public class AdaptiveLuceneLocalSearcher implements LuceneLocalSearcher {
@ -17,6 +18,9 @@ public class AdaptiveLuceneLocalSearcher implements LuceneLocalSearcher {
Mono<Void> releaseIndexSearcher,
LocalQueryParams queryParams,
String keyFieldName) {
if (Schedulers.isInNonBlockingThread()) {
return Mono.error(() -> new UnsupportedOperationException("Called collect in a nonblocking thread"));
}
if (queryParams.limit() == 0) {
return countSearcher.collect(indexSearcher, releaseIndexSearcher, queryParams, keyFieldName);
} else if (!queryParams.isScored() && queryParams.offset() == 0 && queryParams.limit() >= 2147483630

10
src/main/java/it/cavallium/dbengine/lucene/searcher/CountLuceneLocalSearcher.java
View File

@ -7,6 +7,7 @@ import org.apache.lucene.search.IndexSearcher;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.core.scheduler.Scheduler;
import reactor.core.scheduler.Schedulers;
public class CountLuceneLocalSearcher implements LuceneLocalSearcher {
@ -16,10 +17,15 @@ public class CountLuceneLocalSearcher implements LuceneLocalSearcher {
LocalQueryParams queryParams,
String keyFieldName) {
return Mono
.fromCallable(() -> new LuceneSearchResult(
.fromCallable(() -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called collect in a nonblocking thread");
}
return new LuceneSearchResult(
TotalHitsCount.of(indexSearcher.count(queryParams.query()), true),
Flux.empty(),
releaseIndexSearcher)
releaseIndexSearcher);
}
);
}
}

11
src/main/java/it/cavallium/dbengine/lucene/searcher/CountLuceneMultiSearcher.java
View File

@ -11,6 +11,7 @@ import org.apache.lucene.search.Query;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.core.scheduler.Scheduler;
import reactor.core.scheduler.Schedulers;
public class CountLuceneMultiSearcher implements LuceneMultiSearcher {
@ -35,7 +36,15 @@ public class CountLuceneMultiSearcher implements LuceneMultiSearcher {
@Override
public Mono<LuceneSearchResult> collect(LocalQueryParams queryParams, String keyFieldName) {
return Mono.fromCallable(() -> new LuceneSearchResult(TotalHitsCount.of(totalHits.get(), true), Flux.empty(), Mono.when(release)));
return Mono.fromCallable(() -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called collect in a nonblocking thread");
}
return new LuceneSearchResult(TotalHitsCount.of(totalHits.get(), true),
Flux.empty(),
Mono.when(release)
);
});
}
};
});

20
src/main/java/it/cavallium/dbengine/lucene/searcher/ScoredSimpleLuceneShardSearcher.java
View File

@ -50,6 +50,9 @@ class ScoredSimpleLuceneShardSearcher implements LuceneShardSearcher {
Mono<Void> releaseIndexSearcher,
LocalQueryParams queryParams) {
return Mono.fromCallable(() -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called searchOn in a nonblocking thread");
}
TopFieldCollector collector;
synchronized (lock) {
collector = firstPageSharedManager.newCollector();
@ -64,10 +67,12 @@ class ScoredSimpleLuceneShardSearcher implements LuceneShardSearcher {
@Override
public Mono<LuceneSearchResult> collect(LocalQueryParams queryParams, String keyFieldName) {
if (Schedulers.isInNonBlockingThread()) {
return Mono.error(() -> new UnsupportedOperationException("Called collect in a nonblocking thread"));
}
if (!queryParams.isScored()) {
return Mono.error(
new UnsupportedOperationException("Can't execute an unscored query with a scored lucene shard searcher")
);
return Mono.error(() -> new UnsupportedOperationException("Can't execute an unscored query"
+ " with a scored lucene shard searcher"));
}
return Mono
.fromCallable(() -> {
@ -92,10 +97,19 @@ class ScoredSimpleLuceneShardSearcher implements LuceneShardSearcher {
}
return Flux
.<TopDocs>create(emitter -> {
if (Schedulers.isInNonBlockingThread()) {
emitter.error(new UnsupportedOperationException("Called collect in a nonblocking thread"));
return;
}
Empty<Void> cancelEvent = Sinks.empty();
AtomicReference<CurrentPageInfo> currentPageInfoAtomicReference = new AtomicReference<>(new CurrentPageInfo(LuceneUtils.getLastFieldDoc(result.scoreDocs),
paginationInfo.totalLimit() - paginationInfo.firstPageLimit(), 1));
emitter.onRequest(requests -> {
if (Schedulers.isInNonBlockingThread()) {
emitter.error(new UnsupportedOperationException("Called collect"
+ ", onRequest in a nonblocking thread"));
return;
}
synchronized (currentPageInfoAtomicReference) {
var s = currentPageInfoAtomicReference.get();
while (requests > 0 && !emitter.isCancelled()) {

4
src/main/java/it/cavallium/dbengine/lucene/searcher/ScoringShardsCollectorManager.java
View File

@ -13,6 +13,7 @@ import org.apache.lucene.search.TopDocs;
import org.apache.lucene.search.TopFieldCollector;
import org.apache.lucene.search.TopFieldDocs;
import org.jetbrains.annotations.Nullable;
import reactor.core.scheduler.Schedulers;
public class ScoringShardsCollectorManager implements CollectorManager<TopFieldCollector, TopDocs> {
@ -62,6 +63,9 @@ public class ScoringShardsCollectorManager implements CollectorManager<TopFieldC
@Override
public TopDocs reduce(Collection<TopFieldCollector> collectors) throws IOException {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called reduce in a nonblocking thread");
}
TopDocs result;
if (sort != null) {
TopFieldDocs[] topDocs = new TopFieldDocs[collectors.size()];

7
src/main/java/it/cavallium/dbengine/lucene/searcher/SimpleLuceneLocalSearcher.java
View File

@ -15,6 +15,7 @@ import org.apache.lucene.search.TopDocsCollector;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.core.scheduler.Scheduler;
import reactor.core.scheduler.Schedulers;
public class SimpleLuceneLocalSearcher implements LuceneLocalSearcher {
@ -25,6 +26,9 @@ public class SimpleLuceneLocalSearcher implements LuceneLocalSearcher {
String keyFieldName) {
return Mono
.fromCallable(() -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called collect in a nonblocking thread");
}
Objects.requireNonNull(queryParams.scoreMode(), "ScoreMode must not be null");
PaginationInfo paginationInfo;
if (queryParams.limit() <= MAX_SINGLE_SEARCH_LIMIT) {
@ -64,6 +68,9 @@ public class SimpleLuceneLocalSearcher implements LuceneLocalSearcher {
.<TopDocs, CurrentPageInfo>generate(
() -> new CurrentPageInfo(LuceneUtils.getLastScoreDoc(firstPageTopDocs.scoreDocs), paginationInfo.totalLimit() - paginationInfo.firstPageLimit(), 1),
(s, sink) -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called collect in a nonblocking thread");
}
if (s.last() != null && s.remainingLimit() > 0) {
TopDocs pageTopDocs;
try {

1
src/main/java/it/cavallium/dbengine/lucene/searcher/TopDocsSearcher.java
View File

@ -23,6 +23,7 @@ import org.apache.lucene.search.TopDocsCollector;
import org.apache.lucene.search.TopFieldCollector;
import org.apache.lucene.search.TopScoreDocCollector;
import org.apache.lucene.search.TotalHits.Relation;
import reactor.core.scheduler.Schedulers;
class TopDocsSearcher {

7
src/main/java/it/cavallium/dbengine/lucene/searcher/UnscoredPagedLuceneShardSearcher.java
View File

@ -18,6 +18,7 @@ import org.apache.lucene.search.TopDocsCollector;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.core.scheduler.Scheduler;
import reactor.core.scheduler.Schedulers;
class UnscoredPagedLuceneShardSearcher implements LuceneShardSearcher {
@ -42,6 +43,9 @@ class UnscoredPagedLuceneShardSearcher implements LuceneShardSearcher {
Mono<Void> releaseIndexSearcher,
LocalQueryParams queryParams) {
return Mono.fromCallable(() -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called searchOn in a nonblocking thread");
}
TopDocsCollector<ScoreDoc> collector;
synchronized (lock) {
collector = firstPageUnsortedCollectorManager.newCollector();
@ -58,6 +62,9 @@ class UnscoredPagedLuceneShardSearcher implements LuceneShardSearcher {
public Mono<LuceneSearchResult> collect(LocalQueryParams queryParams, String keyFieldName) {
return Mono
.fromCallable(() -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called collect in a nonblocking thread");
}
TopDocs result;
Mono<Void> release;
synchronized (lock) {

4
src/main/java/it/cavallium/dbengine/lucene/searcher/UnscoredTopDocsCollectorManager.java
View File

@ -15,6 +15,7 @@ import org.apache.lucene.search.TopDocs;
import org.apache.lucene.search.TopDocsCollector;
import org.apache.lucene.search.TopFieldDocs;
import org.jetbrains.annotations.Nullable;
import reactor.core.scheduler.Schedulers;
public class UnscoredTopDocsCollectorManager implements
CollectorManager<TopDocsCollector<ScoreDoc>, TopDocs> {
@ -41,6 +42,9 @@ public class UnscoredTopDocsCollectorManager implements
@Override
public TopDocs reduce(Collection<TopDocsCollector<ScoreDoc>> collection) throws IOException {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called reduce in a nonblocking thread");
}
int i = 0;
TopDocs[] topDocsArray;
if (sort != null) {

9
src/main/java/it/cavallium/dbengine/lucene/searcher/UnscoredUnsortedContinuousLuceneMultiSearcher.java
View File

@ -50,6 +50,9 @@ public class UnscoredUnsortedContinuousLuceneMultiSearcher implements LuceneMult
@Override
public void collect(int i) {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called collect in a nonblocking thread");
}
var scoreDoc = new ScoreDoc(context.docBase + i, 0, shardIndex);
synchronized (scoreDocsSink) {
while (scoreDocsSink.tryEmitNext(scoreDoc) == EmitResult.FAIL_OVERFLOW) {
@ -94,6 +97,9 @@ public class UnscoredUnsortedContinuousLuceneMultiSearcher implements LuceneMult
LocalQueryParams queryParams) {
return Mono
.fromCallable(() -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called searchOn in a nonblocking thread");
}
var collector = cm.newCollector();
int collectorShardIndex;
synchronized (lock) {
@ -123,6 +129,9 @@ public class UnscoredUnsortedContinuousLuceneMultiSearcher implements LuceneMult
String keyFieldName) {
return Mono
.fromCallable(() -> {
if (Schedulers.isInNonBlockingThread()) {
throw new UnsupportedOperationException("Called collect in a nonblocking thread");
}
synchronized (scoreDocsSink) {
decrementRemainingCollectors(scoreDocsSink, remainingCollectors);
}