org.mule.expression
Class MuleContextExpressionEvaluator

java.lang.Object
  org.mule.expression.MuleContextExpressionEvaluator

All Implemented Interfaces:

MuleContextAware, ExpressionEvaluator, NamedObject

public class MuleContextExpressionEvaluator
extends Object
implements ExpressionEvaluator, MuleContextAware

This property extractor exposes mule context information as expressions. This can be context information about the server itself such as the server id or about the current request such as the current service name.

• serviceName - returns the name of the service currently processing the event.
• modelName - returns the name of the model that hosts the current service
• inboundEndpoint - returns the URI string of the endpoint that received the current messgae.
• serverId - the Mule instance server Id.
• clusterId - the Mule instance cluster Id.
• domainId - the Mule instance domain Id.
• workingDir - Mule's working directory.
• homeDir - Mule's home directory

Field Summary

protected MuleContext	muleContext
static String	NAME

Constructor Summary

MuleContextExpressionEvaluator()

Method Summary

Object	evaluate(String expression, MuleMessage message) Extracts a single property from the message
protected MuleEventContext	getEventContext()
protected MuleContext	getMuleContext()
String	getName() Gts the name of the object
void	setMuleContext(MuleContext context)

Methods inherited from class java.lang.Object

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

Field Detail

NAME

public static final String NAME

See Also:

Constant Field Values

muleContext

protected MuleContext muleContext

Constructor Detail

MuleContextExpressionEvaluator

public MuleContextExpressionEvaluator()

Method Detail

setMuleContext

public void setMuleContext(MuleContext context)

Specified by:

setMuleContext in interface MuleContextAware

evaluate

public Object evaluate(String expression,
                       MuleMessage message)

Extracts a single property from the message

Specified by:

evaluate in interface ExpressionEvaluator

Parameters:

expression - 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

getMuleContext

protected MuleContext getMuleContext()

getEventContext

protected MuleEventContext getEventContext()

getName

public String getName()

Gts the name of the object

Specified by:

getName in interface NamedObject

Returns:

the name of the object