Package org.hibernate.loader.ast.internal

Class MultiKeyLoadChunker<K>

java.lang.Object

org.hibernate.loader.ast.internal.MultiKeyLoadChunker<K>

public class MultiKeyLoadChunker<K>
extends Object

When the number of ids to initialize exceeds a certain threshold, IN-predicate based multi-key loaders will break the initialization into "chunks".

Constructor Summary

Constructors

Constructor	Description
MultiKeyLoadChunker(int chunkSize, int keyColumnCount, Bindable bindable, JdbcParametersList jdbcParameters, SelectStatement sqlAst, JdbcOperationQuerySelect jdbcSelect)

Method Summary

Modifier and Type	Method	Description
void	processChunks(K[] keys, int nonNullElementCount, org.hibernate.loader.ast.internal.MultiKeyLoadChunker.SqlExecutionContextCreator sqlExecutionContextCreator, org.hibernate.loader.ast.internal.MultiKeyLoadChunker.KeyCollector<K> keyCollector, org.hibernate.loader.ast.internal.MultiKeyLoadChunker.ChunkStartListener startListener, org.hibernate.loader.ast.internal.MultiKeyLoadChunker.ChunkBoundaryListener boundaryListener, SharedSessionContractImplementor session)	Process the chunks

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

MultiKeyLoadChunker

public MultiKeyLoadChunker(int chunkSize,
 int keyColumnCount,
 Bindable bindable,
 JdbcParametersList jdbcParameters,
 SelectStatement sqlAst,
 JdbcOperationQuerySelect jdbcSelect)

Method Details

processChunks

public void processChunks(K[] keys,
 int nonNullElementCount,
 org.hibernate.loader.ast.internal.MultiKeyLoadChunker.SqlExecutionContextCreator sqlExecutionContextCreator,
 org.hibernate.loader.ast.internal.MultiKeyLoadChunker.KeyCollector<K> keyCollector,
 org.hibernate.loader.ast.internal.MultiKeyLoadChunker.ChunkStartListener startListener,
 org.hibernate.loader.ast.internal.MultiKeyLoadChunker.ChunkBoundaryListener boundaryListener,
 SharedSessionContractImplementor session)

Process the chunks

Parameters:

keys - The group of keys to be initialized

nonNullElementCount - The number of non-null values in keys, which will be less-than-or-equal-to the number of keys

startListener - Notifications that processing a chunk has starting

keyCollector - Called for each key as it is processed

boundaryListener - Notifications that processing a chunk has completed