org.mule.keygenerator
Class ExpressionMuleEventKeyGenerator

java.lang.Object
  org.mule.keygenerator.ExpressionMuleEventKeyGenerator

All Implemented Interfaces:

MuleEventKeyGenerator

public class ExpressionMuleEventKeyGenerator
extends Object
implements MuleEventKeyGenerator

Implements MuleEventKeyGenerator using the Mule expression language to generate the cache keys.

Field Summary

protected org.apache.commons.logging.Log

logger

Constructor Summary

ExpressionMuleEventKeyGenerator()

Method Summary

Serializable	generateKey(MuleEvent event) Generates a key for an event.
String	getExpression()
void	setExpression(String expression)

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected org.apache.commons.logging.Log logger

Constructor Detail

ExpressionMuleEventKeyGenerator

public ExpressionMuleEventKeyGenerator()

Method Detail

generateKey

public Serializable generateKey(MuleEvent event)
                         throws NotSerializableException

Description copied from interface: MuleEventKeyGenerator

Generates a key for an event.

The generation algorithm should return the same key value for all the events that are considered equals.

Specified by:

generateKey in interface MuleEventKeyGenerator

Parameters:

event - the event to generate the key for

Returns:

the generated key

Throws:

NotSerializableException - if the generated key is not Serializable

getExpression

public String getExpression()

setExpression

public void setExpression(String expression)