org.wso2.carbon.dataservices.core.description.event

Class XPathEventTrigger

java.lang.Object

org.wso2.carbon.dataservices.core.description.event.EventTrigger

org.wso2.carbon.dataservices.core.description.event.XPathEventTrigger

public class XPathEventTrigger
extends EventTrigger

This class represents an XPath language based event trigger.

See Also:

EventTrigger

Field Summary

Fields inherited from class org.wso2.carbon.dataservices.core.description.event.EventTrigger

EVENT_DISPATCHER_NAME

Constructor Summary

Constructors

Constructor and Description
XPathEventTrigger(DataService dataService, String triggerId, String expression, String targetTopic, List<String> endpointUrls)

Method Summary

Modifier and Type	Method and Description
boolean	evaluate(org.apache.axiom.om.OMElement input) This class must be implemented by a concrete implementation of the EventTrigger class, to provide the logic in evaluating the XML input.

Methods inherited from class org.wso2.carbon.dataservices.core.description.event.EventTrigger

execute, getDataService, getEndpointUrls, getExpression, getLanguage, getTargetTopic, getTriggerId, processEventTriggerSubscriptions

Methods inherited from class java.lang.Object

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

Constructor Detail

XPathEventTrigger

public XPathEventTrigger(DataService dataService,
                         String triggerId,
                         String expression,
                         String targetTopic,
                         List<String> endpointUrls)
                  throws DataServiceFault

Throws:

DataServiceFault

Method Detail

evaluate

public boolean evaluate(org.apache.axiom.om.OMElement input)
                 throws DataServiceFault

Description copied from class: EventTrigger

This class must be implemented by a concrete implementation of the EventTrigger class, to provide the logic in evaluating the XML input.

Specified by:

evaluate in class EventTrigger

Parameters:

input - input as an OMElement

Returns:

a boolean

Throws:

DataServiceFault - DataServiceFault