What is MQMD in IBM MQ?
Purpose: The MQMD structure contains the control information that accompanies the application data when a message travels between the sending and receiving applications. However, if the application is running as an WebSphere MQ MQI client, the structure must be in the character set and encoding of the client.
What is MQMD CorrelId in MQ?
This field specifies the character set identifier of character data within the message body. CorrelId (MQBYTE24) The CorrelId field is property in the message header that may be used to identify a specific message or group of messages.
What is MQMD in message broker?
For the MQGET call, CorrelId is one of the fields that can be used to select a particular message to be retrieved from the queue….Message queuing message descriptor (MQMD)
| Field | Description | Topic |
|---|---|---|
| Expiry | Message lifetime | Expiry |
| Format | Format of message | Format |
| Persistence | Message persistence | Persistence |
| MsgId | Message identifier | MsgId |
What is Mqmd header?
A unique identifier that is assigned to a message by the originator of the message. ReplyToQ. The name of the queue to place the reply message. In the context of a client request, where the DataPower service places a reply.
What is Mqmd format?
Overview. Purpose: The MQMD structure contains the control information that accompanies the application data when a message travels between the sending and receiving applications. The structure is an input/output parameter on the MQGET, MQPUT, and MQPUT1 calls. Version: The current version of MQMD is MDVER2.
What is the correlid field in mqmd-IBM?
The CorrelId field is property in the message header that may be used to identify a specific message or group of messages. The Feedback field is used with a message of type MQMT_REPORT to indicate the nature of the report, and is only meaningful with that type of message.
How to find the type of a field in mqmd?
Table 1. Fields in MQMD Field Description Topic StrucId Structure identifier StrucId Version Structure version number Version Report Options for report messages Report MsgType Message type MsgType
How to get group identifier in mqmd-IBM?
Methods Modifier and Type Method and Description MQMD coalesce ( MQMDE mde, boolean relink) S void copyFrom ( MQMD md) duplicate the conten void copyTo ( MQMD md) duplicate the content byte [] getGroupId () gets the Group identifier