er.extensions.concurrency
Class ERXCloneableThreadLocal

java.lang.Object
  java.lang.ThreadLocal<T>
      java.lang.InheritableThreadLocal
          er.extensions.concurrency.ERXCloneableThreadLocal

Direct Known Subclasses:

ERXThreadStorage.ERXThreadStorageCloneableThreadLocal

public class ERXCloneableThreadLocal
extends java.lang.InheritableThreadLocal

ERXClonableThreadLocal extends InheritableThreadLocal to bequeath a cloned copy of the parent object to the child thread.

Note: Objects used with this thread local must implement the Cloneable interface and have a public clone method.

Field Summary

protected static org.apache.log4j.Logger

log logging support

Constructor Summary

ERXCloneableThreadLocal()

Method Summary

protected java.lang.Object

childValue(java.lang.Object parentValue) Clones a copy of the parent object for the child thread.

Methods inherited from class java.lang.ThreadLocal

get, initialValue, remove, set

Methods inherited from class java.lang.Object

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

Field Detail

log

protected static final org.apache.log4j.Logger log

logging support

Constructor Detail

ERXCloneableThreadLocal

public ERXCloneableThreadLocal()

Method Detail

childValue

protected java.lang.Object childValue(java.lang.Object parentValue)

Clones a copy of the parent object for the child thread. The parentValue must implement the Cloneable interface and have a public clone method.

Overrides:

childValue in class java.lang.InheritableThreadLocal

Parameters:

parentValue - local object to the parent thread.

Returns:

a cloned value of the parent if not null.