WebSphere WebSphere Application Server Express, Version 6.0.x Operating Systems: AIX, HP-UX, Linux, Solaris, Windows

Configuring mediation properties

Use this task to configure the properties of a mediation in the administrative console.

Before you begin

This task assumes that you have defined a new mediation. For more information, see Defining a mediation.

Why and when to perform this task

Configuring the properties of a mediation controls how it behaves at run-time. To configure the properties of a selected mediation, use the administrative console to complete the following steps:

Steps for this task

  1. Display a selected mediation:
    1. In the navigation pane, click Service integration > Buses
    2. In the content pane, click the name of the service integration bus
    3. Under Additional Properties, click Mediations.
    4. In the content pane, select the name of the mediation for which you want to configure properties.
  2. Specify the following properties for the mediation:
    Description
    Optionally, type a description of the behavior of the mediation, taking into account any properties specified for the mediation.
    Handler list name
    Type the name of the handler list that was defined when the mediation was deployed. Handler list names start with an upper case letter, and are unique within the Service integration bus.
    Global transaction
    Optionally, select this option (setting it to true) if you want to start a global transaction for each message mediated by the mediation.

    By default, Global transaction is set to false, and a global transaction is not started when a message is mediated.

    Allow concurrent mediation
    Optionally, select this option (setting it to true) if you want to mediate multiple messages at the mediated destination.
    By default, Allow concurrent mediation is set to false, and concurrent mediations are not allowed.
    Note: Do not allow concurrent mediation if message ordering is important.
    Selector
    Optionally, type a message selector to control which messages are mediated by the mediation. The selector operates on the content of the message header. The syntax of the message selector is defined by the JMS specification.

    If the message meets the conditions of the selector, the message is mediated. Otherwise, the message is not mediated.

    For information about the properties that can be used in selectors, see Message properties support for mediations.

    Discriminator
    Optionally, type a message discriminator to control which messages are mediated by the mediation. Message discriminators conform to the publish/subscribe topic space syntax.

    If the message meets the conditions of the discriminator, the message is mediated. Otherwise, the message is not mediated.

  3. Specify any additional properties.
  4. Click OK.
  5. Save your changes to the master configuration.
The configuration properties for the mediation are created.
If you want to configure the mediation context information, see Configuring mediation context properties. To use the configured mediation at a destination, see Mediating a destination.
Related concepts
Mediations
Concurrent mediations
Mediation handler lists
Transactionality in mediations
Related reference
Mediation thread pool properties
Topic names and use of wildcard characters in topic expressions
Message properties support for mediations

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Last updated: 2 Aug 2005
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