org.globus.ogsa.impl.core.notification.framework.jms
Class JMSXPathQueryEvaluator

java.lang.Object
  org.globus.ogsa.impl.core.notification.framework.jms.JMSQueryEvaluator
      org.globus.ogsa.impl.core.notification.framework.jms.JMSXPathQueryEvaluator

All Implemented Interfaces:

QueryEvaluator, RegisterSubscriptionMessageReceiver, ServiceDataChangeMessageReceiver, UnregisterSubscriptionMessageReceiver

public class JMSXPathQueryEvaluator

extends JMSQueryEvaluator

The JMSXPathQueryEvaluator class This class is used to query the SubscriptionExpression defined by the SubscriptionExpressionType -- SubscribeByXPath

Field Summary

static java.lang.String

XPATH_SUBSCRIPTION_URI

Fields inherited from class org.globus.ogsa.impl.core.notification.framework.jms.JMSQueryEvaluator

theSubscriptionCriteriaMap

Constructor Summary

JMSXPathQueryEvaluator(java.lang.String aSubscriptionExpressionType)
The constructor of the class.

Method Summary

boolean	evaluateCriteria(java.lang.String aCriteria, java.lang.String aSubscriptionID) The evaluateCriteria Method This mehtod evaluates to see if the message has to be sent to the sink
void	receiveRegisterSubscriptionMessage(Message aMessage) The receiveRegisterSubscriotionMessage method.
void	receiveServiceDataChangeMessage(Message aMessage) The receiveServiceDataChangeMessage method.
void	receiveUnregisterSubscriptionMessage(Message aMessage) The receiveUnregisterSubscriptionMessage method.

Methods inherited from class org.globus.ogsa.impl.core.notification.framework.jms.JMSQueryEvaluator

formatNotifyMessage, getJMSAdapter, getSubscriptionInfo, publishNotifyMessage, publishRefreshServiceDataMessage, registerSubscription, unregisterSubscription

Methods inherited from class java.lang.Object

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

Field Detail

XPATH_SUBSCRIPTION_URI

public static final java.lang.String XPATH_SUBSCRIPTION_URI

See Also:

Constant Field Values

Constructor Detail

JMSXPathQueryEvaluator

public JMSXPathQueryEvaluator(java.lang.String aSubscriptionExpressionType)
                       throws java.lang.Exception

The constructor of the class.

Parameters:

aSubscriptionExpressionType - - The expressionType used to create the query evaluator.

Throws:

java.lang.Exception - if the class can not be initialized

Method Detail

evaluateCriteria

public boolean evaluateCriteria(java.lang.String aCriteria,
                                java.lang.String aSubscriptionID)

The evaluateCriteria Method This mehtod evaluates to see if the message has to be sent to the sink

Parameters:

aCriteria - - The subscription expression to be evaluated

aSubscriptionID - - The Subscription ID

Returns:

boolean --true, if message is to be sent to the sink --false, if message is not to be sent to the sink

receiveServiceDataChangeMessage

public void receiveServiceDataChangeMessage(Message aMessage)

The receiveServiceDataChangeMessage method. This method is executed when there is a servide data change notification

Specified by:

receiveServiceDataChangeMessage in interface ServiceDataChangeMessageReceiver

Specified by:

receiveServiceDataChangeMessage in class JMSQueryEvaluator

Parameters:

aMessage - - The service data change message.

receiveRegisterSubscriptionMessage

public void receiveRegisterSubscriptionMessage(Message aMessage)

The receiveRegisterSubscriotionMessage method. This method is executed when there is a message to the Register Subscription topic.

Specified by:

receiveRegisterSubscriptionMessage in interface RegisterSubscriptionMessageReceiver

Specified by:

receiveRegisterSubscriptionMessage in class JMSQueryEvaluator

Parameters:

aMessage - - The register subscription message.

receiveUnregisterSubscriptionMessage

public void receiveUnregisterSubscriptionMessage(Message aMessage)

The receiveUnregisterSubscriptionMessage method. This method is executed when there is a message to the Unregister Subscription topic.

Specified by:

receiveUnregisterSubscriptionMessage in interface UnregisterSubscriptionMessageReceiver

Specified by:

receiveUnregisterSubscriptionMessage in class JMSQueryEvaluator

Parameters:

aMessage - - The unregister subscription message.