Release 10.1A: OpenEdge Development:
Messaging and ESB

Using PUB/SUB messaging

Pub/Sub messaging allows you to produce a single message to be consumed by many receivers. A publisher sends messages to a topic. A receiver subscribes to those topics in which it is interested and receives all messages published to those topics.

The following general steps outline how to exchanged messages from a 4GL application to a SonicMQ Broker for a Pub/Sub session:

Create a session procedure and connect to a SonicMQ Broker.
Publish a message to a Pub/Sub topic.
Subscribe to a Pub/Sub topic and receive messages.
Send a message and receive a reply.
Delete objects.