IN PROGRESS - BATCH-803: Add non-buffering ChunkOrientedTasklet (or option in existing one) plus flag for factory bean

cleaned up javadoc
This commit is contained in:
robokaso
2008-09-19 12:44:16 +00:00
parent 15a450f121
commit a965dbe4a7

View File

@@ -75,7 +75,10 @@ public class NonbufferingFaultTolerantChunkOrientedTasklet<I, O> extends Abstrac
}
/**
* Read-process-write a list of items.
* Read-process-write a list of items. Uses fault-tolerant
* {@link #read(StepContribution)},
* {@link #process(StepContribution, List, List)} and
* {@link #write(List, StepContribution)} implementations.
*/
public ExitStatus execute(final StepContribution contribution, AttributeAccessor attributes) throws Exception {
ExitStatus result = ExitStatus.CONTINUABLE;
@@ -95,6 +98,7 @@ public class NonbufferingFaultTolerantChunkOrientedTasklet<I, O> extends Abstrac
}
});
// filter inputs marked for skipping
inputs.removeAll(skippedInputs);
// If there is no input we don't have to do anything more
@@ -105,6 +109,7 @@ public class NonbufferingFaultTolerantChunkOrientedTasklet<I, O> extends Abstrac
List<O> outputs = new ArrayList<O>();
process(contribution, inputs, outputs);
// filter outputs marked for skipping
outputs.removeAll(skippedOutputs);
write(outputs, contribution);
@@ -146,11 +151,10 @@ public class NonbufferingFaultTolerantChunkOrientedTasklet<I, O> extends Abstrac
}
/**
* Incorporate retry into the item processor stage.
*
* @see org.springframework.batch.core.step.item.FaultTolerantChunkOrientedTasklet#process(org.springframework.batch.core.StepContribution,
* org.springframework.batch.core.step.item.Chunk,
* org.springframework.batch.core.step.item.Chunk)
* Incorporate retry and skip into the item processor stage. Any
* {@link SkipListener} provided is called when retry attempts are
* exhausted. Adds failed items into skipped inputs list so that they can be
* filtered if they are encountered again (after rollback).
*/
protected void process(final StepContribution contribution, final List<I> inputs, final List<O> outputs)
throws Exception {
@@ -208,12 +212,12 @@ public class NonbufferingFaultTolerantChunkOrientedTasklet<I, O> extends Abstrac
}
/**
* Execute the business logic, delegating to the writer.<br/>
* Write the items in a stateful retry. Any {@link SkipListener} provided is
* called when retry attempts are exhausted. The listener callback (on write
* failure) will happen in the next transaction automatically.
*
* Process the items with the {@link ItemWriter} in a stateful retry. Any
* {@link SkipListener} provided is called when retry attempts are
* exhausted. The listener callback (on write failure) will happen in the
* next transaction automatically.<br/>
* Adds failed items into skipped outputs list so that they can be filtered
* if they are encountered again (after rollback).
*/
protected void write(final List<O> outputs, final StepContribution contribution) throws Exception {