org.springframework.batch.repeat.context
Class SynchronizedAttributeAccessor

java.lang.Object
  org.springframework.batch.repeat.context.SynchronizedAttributeAccessor

All Implemented Interfaces:

AttributeAccessor

Direct Known Subclasses:

RepeatContextSupport, StepContext

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