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Creating and modifying publishing queue maps for Classic event publishing

A publishing queue map identifies a WebSphere® MQ queue, called a send queue in Classic event publishing, that is used to transport messages to applications. When you create a publishing queue map, you specify the send queue and the values of parameters for the send queue.

Before you begin

You must have $VSAM authority or SYSADM authority on the data server where you will store the information about the publication.

About this task

After you create at least one publishing queue map, you can create one or more publications. The send queue in a publishing queue map can transport messages for multiple publications if the format of the messages matches the format that you specified for the publishing queue map.

For example, if you specify the XML format when you create a publishing queue map, only publications whose messages are in the XML format can use that publishing queue map.

Procedure

To create a publishing queue map:

  1. Open the New Publishing Queue Map wizard. In the Database Explorer, right-click the Publishing Queue Maps folder for a data server and select New Publishing Queue Map.
  2. Specify these attributes of the publishing queue map:
    • The name of the publishing queue map.
    • The WebSphere MQ name of the send queue.
    • Whether to use the publishing queue map for publishing messages in XML, XML with a Java™ Messaging Service (JMS) topic, delimited format, or delimited format with a JMS topic.
    • Whether to use the publishing queue map to publish one message for each row-level change or one message for each transaction.
    • If each message that is transported by the send queue will contain an entire transaction: The maximum size for any message that is transported on the send queue for the publishing queue map. Any message that is larger than the maximum size is split into two or more smaller messages.

      If you are publishing messages that are in a delimited format and not in XML, the messages that follow the first message have no header information but always follow in order.

    • A description of the publishing queue map.
The publishing queue map appears in the Publishing Queue Maps folder and is active.

If you want to modify the properties of the publishing queue map, right-click it and select Update.

Related concepts
Specifying the WebSphere MQ objects to use for change capture
Related tasks
Specifying the WebSphere MQ objects to use for change capture
Related reference
Publishing queue map properties


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Update icon Last updated: 2007-07-11