Creating a topic space for publish/subscribe messaging

You can create a topic space, which is a bus destination that represents a set of "publish and subscribe" topics and that is used for publish/subscribe messaging.

About this task

You create a topic space when you deploy JMS applications that use publish/subscribe messaging.

To create a topic space, you specify only a minimum set of properties. You can change these properties and configure further properties after you complete this task.

To create a topic space, use the administrative console to complete the following steps.

Procedure

  1. In the navigation pane, click Service integration -> Buses .
  2. In the content pane, click the name of the bus that is to provide the publication points for the topic space.
  3. In the content pane, under Destination resources, click Destinations. A list of any existing bus destinations is displayed.
  4. To create a topic space, click New.
    1. On the Create new destination page, select Topic space.
    2. Click Next.
    3. In the Identifier field, type the name that you want to give the topic space for administrative purposes.
  5. Optional: In the Description field, type a description of the destination, for administrative purposes.
  6. Click Next.
  7. On the Confirm topic space creation page, review the summary of actions.
    • To create the topic space, click Finish.
    • If you want to change any of the properties that you have specified, click Previous, then change the properties on the preceding pages.
  8. Save your changes to the master configuration.

What to do next

You can configure further properties of the topic space, for example message reliability settings. See Configuring bus destination properties. If you configure message reliability settings, remember that higher levels of reliability have a greater impact on performance.

By default, messages that cannot be delivered to the topic space are sent the default exception destination for the messaging engine that is publishing the message. If you want to use a specific exception destination for messages that cannot be delivered to this topic space, you must have already defined that exception destination. For more information about configuring exception destinations, see Configuring exception destination processing for a bus destination.

If the topic space is to be used for JMS publish/subscribe messaging, specify the topic space identifier on a JMS topic as described in Configuring a topic for the default messaging provider.




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Last updatedLast updated: Sep 19, 2011 3:08:41 PM CDT
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