Implement ConnectionMetaData to do optional JMS Defined Properties
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Key: QPID-160
URL: http://issues.apache.org/jira/browse/QPID-160
Project: Qpid
Issue Type: Improvement
Components: Java Client
Reporter: Martin Ritchie
Priority: Trivial
Some values are part of the AMQMessage header but they need to be exposed via
AMQConnection - ConnectionMetaData getMetaData()
currently returns null
>From the JMS Spec
3.5.9 JMS Defined Properties
JMS reserves the 'JMSX' property name prefix for JMS defined properties. The
full set of these properties is provided in Table 3-3. New JMS defined
properties may be added in later versions of JMS.
Unless noted otherwise, support for these properties is optional. The
Enumeration ConnectionMetaData.getJMSXPropertyNames() method returns the
names of the JMSX properties supported by a connection.
JMSX properties may be referenced in message selectors whether or not they
are supported by a connection. If they are not present in a message, they are
treated like any other absent property.
The existence, in a particular message, of JMS defined properties that are set
by
a JMS provider depends on how a particular provider controls use of the
Properties are:
JMSXUserID String
JMSXAppID String
JMSXDeliveryCount int
JMSXGroupID String
JMSXGroupSeq int
JMSXProducerTXID String
JMSXConsumerTXID String
JMSXRcvTimestamp long
JMSXState int
JMSX properties set by the provider on send are available to both the producer
and the consumers of the message. JSMX properties set by the provider on
receive are available only to the consumers.
JMSXGroupID and JMSXGroupSeq are standard properties clients should use if
they want to group messages. All providers must support them.
The case of these JMSX property names must be as defined in the table above.
Unless specifically noted, the values and semantics of the JMSX properties are
undefined.
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