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HHH-13587 Make StatefulPersistenceContext#arrayHolders lazily initialized as well

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This commit is contained in:
Sanne Grinovero 2019-08-17 21:59:07 +01:00 committed by Sanne Grinovero
parent dbbc24c2e1
commit 05b888e0c0
1 changed files with 22 additions and 13 deletions
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35
hibernate-core/src/main/java/org/hibernate/engine/internal/StatefulPersistenceContext.java
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@ -162,7 +162,6 @@ public StatefulPersistenceContext(SharedSessionContractImplementor session) {
entityEntryContext = new EntityEntryContext( this );
collectionsByKey = new HashMap<>( INIT_COLL_SIZE );
arrayHolders = new IdentityHashMap<>( INIT_COLL_SIZE );
}
private ConcurrentMap<EntityKey, Object> getOrInitializeProxiesByKey() {
@ -243,7 +242,7 @@ public void clear() {
IdentityMap.onEachKey( collectionEntries, k -> k.unsetSession( session ) );
}
arrayHolders.clear();
arrayHolders = null;
entitiesByKey.clear();
entitiesByUniqueKey.clear();
entityEntryContext.clear();
@ -981,18 +980,21 @@ public void initializeNonLazyCollections() throws HibernateException {
@Override
public PersistentCollection getCollectionHolder(Object array) {
return arrayHolders.get( array );
return arrayHolders == null ? null : arrayHolders.get( array );
}
@Override
public void addCollectionHolder(PersistentCollection holder) {
//TODO:refactor + make this method private
if ( arrayHolders == null ) {
arrayHolders = new IdentityHashMap<>( INIT_COLL_SIZE );
}
arrayHolders.put( holder.getValue(), holder );
}
@Override
public PersistentCollection removeCollectionHolder(Object array) {
return arrayHolders.remove( array );
return arrayHolders != null ? arrayHolders.remove( array ) : null;
}
@Override
@ -1583,13 +1585,18 @@ public void serialize(ObjectOutputStream oos) throws IOException {
}
}
oos.writeInt( arrayHolders.size() );
if ( LOG.isTraceEnabled() ) {
LOG.trace( "Starting serialization of [" + arrayHolders.size() + "] arrayHolders entries" );
if ( arrayHolders == null ) {
oos.writeInt( 0 );
}
for ( Map.Entry<Object,PersistentCollection> entry : arrayHolders.entrySet() ) {
oos.writeObject( entry.getKey() );
oos.writeObject( entry.getValue() );
else {
oos.writeInt( arrayHolders.size() );
if ( LOG.isTraceEnabled() ) {
LOG.trace( "Starting serialization of [" + arrayHolders.size() + "] arrayHolders entries" );
}
for ( Map.Entry<Object,PersistentCollection> entry : arrayHolders.entrySet() ) {
oos.writeObject( entry.getKey() );
oos.writeObject( entry.getValue() );
}
}
if ( nullifiableEntityKeys == null ) {
@ -1707,9 +1714,11 @@ public static StatefulPersistenceContext deserialize(
if ( LOG.isTraceEnabled() ) {
LOG.trace( "Starting deserialization of [" + count + "] arrayHolders entries" );
}
rtn.arrayHolders = new IdentityHashMap<>( count < INIT_COLL_SIZE ? INIT_COLL_SIZE : count );
for ( int i = 0; i < count; i++ ) {
rtn.arrayHolders.put( ois.readObject(), (PersistentCollection) ois.readObject() );
if ( count != 0 ) {
rtn.arrayHolders = new IdentityHashMap<>( count < INIT_COLL_SIZE ? INIT_COLL_SIZE : count );
for ( int i = 0; i < count; i++ ) {
rtn.arrayHolders.put( ois.readObject(), (PersistentCollection) ois.readObject() );
}
}
count = ois.readInt();