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

Fields

Modifier and Type	Field and Description
protected Log	logger

Constructor Summary

Constructors

Constructor and Description
ExpressionMuleEventKeyGenerator()

Method Summary

Methods

Modifier and Type	Method and Description
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 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)