org.springframework.batch.repeat.context
Class SynchronizedAttributeAccessor

java.lang.Object
  extended by org.springframework.batch.repeat.context.SynchronizedAttributeAccessor
All Implemented Interfaces:
AttributeAccessor
Direct Known Subclasses:
RepeatContextSupport

public class SynchronizedAttributeAccessor
extends Object
implements AttributeAccessor

An AttributeAccessor that synchronizes on a mutex (not this) before modifying or accessing the underlying attributes.

Author:
Dave Syer

Constructor Summary
SynchronizedAttributeAccessor()
           
 
Method Summary
 String[] attributeNames()
           
 boolean equals(Object other)
           
 Object getAttribute(String name)
           
 boolean hasAttribute(String name)
           
 int hashCode()
           
 Object removeAttribute(String name)
           
 void setAttribute(String name, Object value)
           
 Object setAttributeIfAbsent(String name, Object value)
          Additional support for atomic put if absent.
 String toString()
           
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

SynchronizedAttributeAccessor

public SynchronizedAttributeAccessor()
Method Detail

attributeNames

public String[] attributeNames()
Specified by:
attributeNames in interface AttributeAccessor

equals

public boolean equals(Object other)
Overrides:
equals in class Object

getAttribute

public Object getAttribute(String name)
Specified by:
getAttribute in interface AttributeAccessor

hasAttribute

public boolean hasAttribute(String name)
Specified by:
hasAttribute in interface AttributeAccessor

hashCode

public int hashCode()
Overrides:
hashCode in class Object

removeAttribute

public Object removeAttribute(String name)
Specified by:
removeAttribute in interface AttributeAccessor

setAttribute

public void setAttribute(String name,
                         Object value)
Specified by:
setAttribute in interface AttributeAccessor

setAttributeIfAbsent

public Object setAttributeIfAbsent(String name,
                                   Object value)
Additional support for atomic put if absent.

Parameters:
name - the key for the attribute name
value - the value of the attribute
Returns:
null if the attribute was not already set, the existing value otherwise.

toString

public String toString()
Overrides:
toString in class Object


Copyright © 2009 SpringSource. All Rights Reserved.