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Advanced Queuing - Oracle

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Example<br />

Creating a Durable Subscriber for an ADT Topic with Selector<br />

TopicConnectionFactory tc_fact = null;<br />

TopicConnection t_conn = null;<br />

TopicSession jms_sess;<br />

TopicSubscriber subscriber1;<br />

Topic shipped_orders;<br />

int myport = 5521;<br />

AQjmsAgent[] recipList;<br />

/* the java mapping of the oracle object type created by J Publisher */<br />

ADTMessage message;<br />

/* create connection and session */<br />

tc_fact = AQjmsFactory.getTopicConnectionFactory("MYHOSTNAME",<br />

"MYSID", myport, "oci8");<br />

t_conn = tc_fact.createTopicConnection("jmstopic", "jmstopic");<br />

jms_sess = t_conn.createTopicSession(true, Session.CLIENT_ACKNOWLEDGE);<br />

shipped_orders = ((AQjmsSession )jms_sess).getTopic("OE", "Shipped_Orders_<br />

Topic");<br />

/* create a subscriber, specifying the correct CustomDatumFactory and selector<br />

*/<br />

subscriber1 = jms_sess.createDurableSubscriber(shipped_orders,<br />

"WesternShipping", " priority > 1 and tab.user_data.region like 'WESTERN %'",<br />

false, ADTMessage.getFactory());<br />

JMS Operational Interface: Basic Operations (Publish-Subscribe) 15-33

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