- java.lang.Object
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- javax.batch.api.partition.AbstractPartitionReducer
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- All Implemented Interfaces:
- PartitionReducer
public abstract class AbstractPartitionReducer extends Object implements PartitionReducer
The AbstractBatchlet provides default implementations of less commonly implemented methods.
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Nested Class Summary
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Nested classes/interfaces inherited from interface javax.batch.api.partition.PartitionReducer
PartitionReducer.PartitionStatus
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Constructor Summary
Constructors Constructor and Description AbstractPartitionReducer()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method and Description voidafterPartitionedStepCompletion(PartitionReducer.PartitionStatus status)Override this method to take action after partitioned step processing ends.voidbeforePartitionedStepCompletion()Override this method to take action before normal partitioned step processing ends.voidbeginPartitionedStep()Override this method to take action before partitioned step processing begins.voidrollbackPartitionedStep()Override this method to take action when a partitioned step is rolling back.
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Method Detail
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beginPartitionedStep
public void beginPartitionedStep() throws ExceptionOverride this method to take action before partitioned step processing begins.- Specified by:
beginPartitionedStepin interfacePartitionReducer- Throws:
Exception- is thrown if an error occurs.
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beforePartitionedStepCompletion
public void beforePartitionedStepCompletion() throws ExceptionOverride this method to take action before normal partitioned step processing ends.- Specified by:
beforePartitionedStepCompletionin interfacePartitionReducer- Throws:
Exception- is thrown if an error occurs.
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rollbackPartitionedStep
public void rollbackPartitionedStep() throws ExceptionOverride this method to take action when a partitioned step is rolling back.- Specified by:
rollbackPartitionedStepin interfacePartitionReducer- Throws:
Exception- is thrown if an error occurs.
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afterPartitionedStepCompletion
public void afterPartitionedStepCompletion(PartitionReducer.PartitionStatus status) throws Exception
Override this method to take action after partitioned step processing ends.- Specified by:
afterPartitionedStepCompletionin interfacePartitionReducer- Parameters:
status- specifies the outcome of the partitioned step. Values are "COMMIT" or "ROLLBACK".- Throws:
Exception- is thrown if an error occurs.
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Document created the 11/06/2005, last modified the 18/08/2025
Source of the printed document:https://www.gaudry.be/en/java-api-javaee-rf-javax/batch/api/partition/AbstractPartitionReducer.html
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