Subscription (JBoss Messaging API) - JBoss 3.2.7 messaging API Documentation 英文版文档

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org.jboss.mq
Class Subscription

java.lang.Object
  org.jboss.mq.Subscription

All Implemented Interfaces:: Serializable

public class Subscription
extends Object
implements Serializable

This class contains all the data needed to for a the provider to to determine if a message can be routed to a consumer.

Version:: $Revision: 1.7.2.3 $
Author:: Hiram Chirino (Cojonudo14@hotmail.com), David Maplesden (David.Maplesden@orion.co.nz), Adrian Brock
See Also:: Serialized Form

Field Summary

Object clientConsumer
          The client consumer

ConnectionToken connectionToken
          The connection token

SpyDestination destination
          The queue we want to subscribe to.

boolean destroyDurableSubscription
          Should this message destroy the subscription?

String messageSelector
          The selector which will filter out messages.

boolean noLocal
          Topics might not want locally produced messages.

Selector selector
          The message selector

int subscriptionId
          This gets set to a unique value at the SpyConnection.

Constructor Summary

Subscription()


Method Summary

boolean accepts(SpyMessage.Header header)
          Determines the consumer would accept the message.

Selector getSelector()
          Determines the consumer would accept the message.

Subscription myClone()
          Clone the subscription

String toString()


Methods inherited from class java.lang.Object

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

Field Detail

subscriptionId

public int subscriptionId

This gets set to a unique value at the SpyConnection.

destination

public SpyDestination destination

The queue we want to subscribe to.

messageSelector

public String messageSelector

The selector which will filter out messages.

destroyDurableSubscription

public boolean destroyDurableSubscription

Should this message destroy the subscription?

noLocal

public boolean noLocal

Topics might not want locally produced messages.

selector

public transient Selector selector

The message selector

connectionToken

public transient ConnectionToken connectionToken

The connection token

clientConsumer

public transient Object clientConsumer

The client consumer

Constructor Detail

Subscription

public Subscription()

Method Detail

getSelector

public Selector getSelector()
                     throws javax.jms.InvalidSelectorException

Determines the consumer would accept the message.

Returns:: the selector
Throws:: javax.jms.InvalidSelectorException - for an invalid selector

accepts

public boolean accepts(SpyMessage.Header header)
                throws javax.jms.JMSException