Advanced Queuing - Oracle

Enqueuing a Message [Add Payload]
Message := aq.message_typ(’NORMAL MESSAGE’,
’enqueued to msg_queue first.’);
DBMS_AQ.ENQUEUE(queue_name => ’msg_queue’,
Enqueue_options => enqueue_options,
Message_properties => message_properties,
transformation => ’AQ.MSG_MAP’,
Payload => message,
Msgid => message_handle);
COMMIT;
END;
Where MSG_MAP was created as follows:
BEGIN
DBMS.TRANSFORM.CREATE_TRANSFORMATION
(
schema => ’AQ’,
name => ’MSG_MAP’,
from_schema => ’AQ’,
from_type => ’PO_ORDER1’,
to_schema => ’AQ’,
to_type => ’PO_ORDER2’,
transformation => ’AQ.MAP_PO_ORDER (source.user_data)’),
END;
Java (JDBC): Enqueue a message (add payload)
/* Setup */
connect system/manager
create user aq identified by aq;
grant aq_administrator_role to aq;
public static void setup(AQSession aq_sess) throws AQException
{
AQQueueTableProperty qtable_prop;
AQQueueProperty queue_prop;
AQQueueTable q_table;
AQQueue queue;
AQAgent agent;
qtable_prop = new AQQueueTableProperty("RAW");
q_table = aq_sess.createQueueTable ("aq", "rawmsgs_qtab", qtable_prop);
11-18 Oracle9i Application Developer’s Guide - Advanced Queuing