com.atlassian.confluence.core.persistence.hibernate
Class SimpleHibernateBatchOperationManager
java.lang.Object
com.atlassian.confluence.core.persistence.hibernate.SimpleHibernateBatchOperationManager
- All Implemented Interfaces:
- BatchOperationManager
public class SimpleHibernateBatchOperationManager
- extends java.lang.Object
- implements BatchOperationManager
Performs a batch operation in a series of independent transactions containing an arbitrary
number of operations (which happens to be 50).
Warning: using this batcher will clear the current session!
Method Summary |
<I,O> java.lang.Iterable<O> |
|
performAsBatch(java.lang.Iterable<I> input,
int expectedTotal,
com.google.common.base.Function<I,O> task)
|
<I,O> java.lang.Iterable<O> |
|
performInChunks(java.lang.Iterable<I> input,
int chunkSize,
int sizeToCollect,
com.google.common.base.Function<java.util.List<I>,java.util.List<O>> task)
Processes a collection of items in chunks until a given number of processed items is reached, the processed items are then returned. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
SimpleHibernateBatchOperationManager
public SimpleHibernateBatchOperationManager(HibernateSessionManager sessionManager)
performAsBatch
public <I,O> java.lang.Iterable<O> performAsBatch(java.lang.Iterable<I> input,
int expectedTotal,
com.google.common.base.Function<I,O> task)
- Specified by:
performAsBatch
in interface BatchOperationManager
performInChunks
public <I,O> java.lang.Iterable<O> performInChunks(java.lang.Iterable<I> input,
int chunkSize,
int sizeToCollect,
com.google.common.base.Function<java.util.List<I>,java.util.List<O>> task)
- Description copied from interface:
BatchOperationManager
- Processes a collection of items in chunks until a given number of processed items is reached, the processed items are then returned.
.
- Specified by:
performInChunks
in interface BatchOperationManager
- Parameters:
input
- the items to processchunkSize
- the size of the batchsizeToCollect
- the number of processed items to returntask
- a function to process the items
- Returns:
- A list of processed items
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