Unsubscribing a Durable Subscription for a Local Subscriber

Figure 15-24 Use Case Diagram: Publish-Subscribe - Unsubscribe a Durable Subscription for a Local Subscriber

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To refer to the table of all basic operations having to do with the Operational Interface see: "Use Case Model: Operational Interface -- Basic Operations"

Purpose

Unsubscribe a durable subscription for a local subscriber.

Usage Notes

Unsubscribe a durable subscription that has been created by a client on the specified topic.

Syntax

• Java (JDBC): Oracle9i Supplied Java Packages Reference,oracle.jms, AQjmsSession.unsubscribe

Example

TopicConnectionFactory    tc_fact   = null;
TopicConnection           t_conn    = null;
TopicSession              jms_sess;
TopicSubscriber           subscriber1;
Topic                     shipped_orders;
int                       myport = 5521;
AQjmsAgent[]              recipList;    
  
/* create connection and session */
tc_fact = AQjmsFactory.getTopicConnectionFactory("MYHOSTNAME",
                                                  "MYSID", myport, "oci8");
t_conn = tc_fact.createTopicConnection("jmstopic", "jmstopic");
jms_sess = t_conn.createTopicSession(true, Session.CLIENT_ACKNOWLEDGE);    
  
shipped_orders = ((AQjmsSession )jms_sess).getTopic("OE", "Shipped_Orders_
Topic");
/* unsusbcribe "WesternShipping" from shipped_orders */
jms_sess.unsubscribe(shipped_orders, "WesternShipping");