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
- In the navigation pane, click .
- In the content pane, click the name of the bus that is
to provide the publication points for the topic space.
- In the content pane, under Destination resources, click Destinations. A list of any existing bus destinations is displayed.
- To create a topic space, click New.
- On the Create new destination page, select Topic
space.
- Click Next.
- In the Identifier field, type
the name that you want to give the topic space for administrative
purposes.
- Optional: In the Description field,
type a description of the destination, for administrative purposes.
- Click Next.
- 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.
- 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.