org.springframework.batch.item

Class ItemStreamSupport

java.lang.Object

org.springframework.batch.item.ItemStreamSupport

All Implemented Interfaces:

ItemStream

Direct Known Subclasses:

AbstractItemStreamItemReader, AbstractItemStreamItemWriter, CheckpointSupport, ChunkMonitor, TradeWriter

public abstract class ItemStreamSupport
extends java.lang.Object
implements ItemStream

Empty method implementation of ItemStream.

Author:

Dave Syer, Dean de Bree

Constructor Summary

Constructors

Constructor and Description
ItemStreamSupport()

Method Summary

Modifier and Type	Method and Description
void	close() No-op.
java.lang.String	getExecutionContextKey(java.lang.String key)
void	open(ExecutionContext executionContext) No-op.
protected void	setExecutionContextName(java.lang.String name)
void	setName(java.lang.String name) The name of the component which will be used as a stem for keys in the ExecutionContext.
void	update(ExecutionContext executionContext) Return empty ExecutionContext.

Methods inherited from class java.lang.Object

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

Constructor Detail

ItemStreamSupport

public ItemStreamSupport()

Method Detail

close

public void close()

No-op.

Specified by:

close in interface ItemStream

See Also:

ItemStream.close()

open

public void open(ExecutionContext executionContext)

No-op.

Specified by:

open in interface ItemStream

Parameters:

executionContext - current step's ExecutionContext. Will be the executionContext from the last run of the step on a restart.

See Also:

ItemStream.open(ExecutionContext)

update

public void update(ExecutionContext executionContext)

Return empty ExecutionContext.

Specified by:

update in interface ItemStream

Parameters:

executionContext - to be updated

See Also:

ItemStream.update(ExecutionContext)

setName

public void setName(java.lang.String name)

The name of the component which will be used as a stem for keys in the ExecutionContext. Subclasses should provide a default value, e.g. the short form of the class name.

Parameters:

name - the name for the component

setExecutionContextName

protected void setExecutionContextName(java.lang.String name)

getExecutionContextKey

public java.lang.String getExecutionContextKey(java.lang.String key)