org.mule.routing
Class CorrelationPropertiesExpressionEvaluator

java.lang.Object
  org.mule.expression.MessageHeaderExpressionEvaluator
      org.mule.routing.CorrelationPropertiesExpressionEvaluator

All Implemented Interfaces:

ExpressionEvaluator, NamedObject

public class CorrelationPropertiesExpressionEvaluator
extends MessageHeaderExpressionEvaluator

CorrelationPropertiesExpressionEvaluator is a default implementation used for getting the Correlation information from a message. This object is only used when getting a specific property to be set on the message. When reading the property the getProperty(...) or the direct property accessor will be used i.e. message.getCorrelationId() or message.getProperty(MuleProperties.MULE_CORRELATION_ID_PROPERTY)

Field Summary

Fields inherited from class org.mule.expression.MessageHeaderExpressionEvaluator

NAME

Constructor Summary

CorrelationPropertiesExpressionEvaluator()

Method Summary

Object	evaluate(String name, MuleMessage message) Extracts a single property from the message
String	getCorrelationId(MessageAdapter message)
String	getMessageId(MessageAdapter message)

Methods inherited from class org.mule.expression.MessageHeaderExpressionEvaluator

getName, setName

Methods inherited from class java.lang.Object

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

Constructor Detail

CorrelationPropertiesExpressionEvaluator

public CorrelationPropertiesExpressionEvaluator()

Method Detail

evaluate

public final Object evaluate(String name,
                             MuleMessage message)

Description copied from interface: ExpressionEvaluator

Extracts a single property from the message

Specified by:

evaluate in interface ExpressionEvaluator

Overrides:

evaluate in class MessageHeaderExpressionEvaluator

Parameters:

name - the property expression or expression

message - the message to extract from

Returns:

the result of the extraction or null if the property was not found

getMessageId

public String getMessageId(MessageAdapter message)

getCorrelationId

public String getCorrelationId(MessageAdapter message)