Event messages are standard WebSphere MQ messages containing a message descriptor and message data.
Table 14 shows the basic structure of these messages, and the names of the fields in an event message for queue service interval events.
Message descriptor |
Message data |
|
MQMD structure |
PCF header MQCFH structure |
Event data 1 |
Structure identifier Structure version Report options Message type Expiration time Feedback code Encoding Coded character set ID Message format Message priority Persistence Message identifier Correlation identifier Backout count Reply-to queue Reply-to queue manager User identifier Accounting token Application identity data Application type Application name Put date Put time Application origin data Group identifier Message sequence number Offset Message flags Original length |
Structure type Structure length Structure version Command identifier Message sequence number Control options Completion code Reason code Parameter count |
Queue manager name Queue name Time since last reset Maximum number of messages on queue Number of messages put to queue Number of messages retrieved from queue |
Notes:
|
In general, you need only a subset of this information for any system management programs that you write. For example, your application might need the following data:
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