org.springframework.batch.item.support
Class CompositeItemStream

java.lang.Object
  extended by org.springframework.batch.item.support.CompositeItemStream
All Implemented Interfaces:
ItemStream

public class CompositeItemStream
extends Object
implements ItemStream

Simple ItemStream that delegates to a list of other streams.

Author:
Dave Syer

Constructor Summary
CompositeItemStream()
           
 
Method Summary
 void close(ExecutionContext executionContext)
          Broadcast the call to close.
 void open(ExecutionContext executionContext)
          Broadcast the call to open.
 void register(ItemStream stream)
          Register a ItemStream as one of the interesting providers under the provided key.
 void setStreams(ItemStream[] listeners)
          Public setter for the listeners.
 void update(ExecutionContext executionContext)
          Simple aggregate ExecutionContext provider for the contributions registered under the given key.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

CompositeItemStream

public CompositeItemStream()
Method Detail

setStreams

public void setStreams(ItemStream[] listeners)
Public setter for the listeners.

Parameters:
listeners -

update

public void update(ExecutionContext executionContext)
Simple aggregate ExecutionContext provider for the contributions registered under the given key.

Specified by:
update in interface ItemStream
Parameters:
executionContext - to be updated
See Also:
ItemStream.update(ExecutionContext)

register

public void register(ItemStream stream)
Register a ItemStream as one of the interesting providers under the provided key.


close

public void close(ExecutionContext executionContext)
           throws ItemStreamException
Broadcast the call to close.

Specified by:
close in interface ItemStream
Parameters:
executionContext - the current execution context in case it is needed
Throws:
ItemStreamException

open

public void open(ExecutionContext executionContext)
          throws ItemStreamException
Broadcast the call to open.

Specified by:
open in interface ItemStream
Throws:
ItemStreamException


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