HSEARCH-3425 Warnings: Call to 'toArray()' with pre-sized array argum…

…ent 'new CompletableFuture[futures.size()]'

backend/elasticsearch/src/main/java/org/hibernate/search/backend/elasticsearch/orchestration/impl/ElasticsearchParallelChangesetsWorkOrchestrator.java

@@ -57,7 +57,7 @@ public <T> CompletableFuture<T> submit(ElasticsearchWork<T> work) {
 	@Override
 	public CompletableFuture<Void> executeSubmitted() {
 		CompletableFuture<Void> future =
-				CompletableFuture.allOf( sequenceFutures.toArray( new CompletableFuture<?>[ sequenceFutures.size()] ) );
+				CompletableFuture.allOf( sequenceFutures.toArray( new CompletableFuture<?>[0] ) );
 		sequenceFutures.clear();
 		aggregator.startSequences();
 		return future;

backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/impl/LuceneSearchQueryElementCollector.java

@@ -63,6 +63,6 @@ public Sort toLuceneSort() {
 			return null;
 		}
 
-		return new Sort( sortFields.toArray( new SortField[sortFields.size()] ) );
+		return new Sort( sortFields.toArray( new SortField[0] ) );
 	}
 }

backend/lucene/src/main/java/org/hibernate/search/backend/lucene/search/reader/impl/ManagedMultiReader.java

@@ -43,7 +43,7 @@ static ManagedMultiReader createInstance(Set<ReaderProvider> readerProviders) th
 				.map( ReaderProvider::openIndexReader )
 				.toArray( IndexReader[]::new );
 
-		return new ManagedMultiReader( indexReaders, readerProviders.toArray( new ReaderProvider[readerProviders.size()] ) );
+		return new ManagedMultiReader( indexReaders, readerProviders.toArray( new ReaderProvider[0] ) );
 	}
 
 	@Override

engine/src/main/java/org/hibernate/search/engine/environment/classpath/spi/DefaultClassAndResourceResolver.java

@@ -52,9 +52,7 @@ public DefaultClassAndResourceResolver() {
 
 		// now build the aggregated class loader...
 		this.aggregatedClassLoader = new AggregatedClassLoader(
-				orderedClassLoaderSet.toArray(
-						new ClassLoader[orderedClassLoaderSet.size()]
-				)
+				orderedClassLoaderSet.toArray( new ClassLoader[0] )
 		);
 	}
 

mapper/pojo/src/main/java/org/hibernate/search/mapper/pojo/mapping/impl/PojoWorkPlanImpl.java

@@ -113,7 +113,7 @@ public CompletableFuture<?> execute() {
 			for ( PojoIndexedTypeWorkPlan<?, ?, ?> delegate : indexedTypeDelegates.values() ) {
 				futures.add( delegate.execute() );
 			}
-			return CompletableFuture.allOf( futures.toArray( new CompletableFuture<?>[futures.size()] ) );
+			return CompletableFuture.allOf( futures.toArray( new CompletableFuture<?>[0] ) );
 		}
 		finally {
 			indexedTypeDelegates.clear();

util/internal/integrationtest/common/src/main/java/org/hibernate/search/util/impl/integrationtest/common/assertion/SearchResultAssert.java

@@ -193,7 +193,7 @@ public DocumentReferenceHitsBuilder doc(String indexName, String firstId, String
 		}
 
 		private DocumentReference[] getExpectedHits() {
-			return expectedHits.toArray( new DocumentReference[expectedHits.size()] );
+			return expectedHits.toArray( new DocumentReference[0] );
 		}
 	}
 
@@ -211,7 +211,7 @@ public ListHitsBuilder list(Object firstProjectionItem, Object ... otherProjecti
 
 		@SuppressWarnings("rawtypes")
 		private List[] getExpectedHits() {
-			return expectedHits.toArray( new List[expectedHits.size()] );
+			return expectedHits.toArray( new List[0] );
 		}
 	}