[AMQ-6628] [doc] Add details on message groups dispatch delay

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 5.14.4
• Fix Version/s: 5.15.0
• Component/s: Documentation
• Labels: documentation
• Patch Info: Patch Available
• Assignee: Gary Tully
• Reporter: Denis A.
• Created: 15/Mar/17 13:27
• Updated: 21/Mar/17 08:56
• Resolved: 15/Mar/17 15:17

Description

On the message groups documentation page (http://activemq.apache.org/message-groups.html), please add the following text in the "Adding New Consumers" section:

When both consumersBeforeDispatchStarts and timeBeforeDispatchStarts are set to a value greater than zero, the dispatching will start as soon as the required number of consumers are present or the timeBeforeDispatchStarts timeout expires.
If only consumersBeforeDispatchStarts is set then the timeout for consumers to connect is 1 second.

If all consumers disconnect then message dispatch delay will be applied again at the next consumer connection.

By the way, the link under the "As the appropriate test case" text need to be fixed to point to a valid location like https://github.com/apache/activemq/blob/master/activemq-unit-tests/src/test/java/org/apache/activemq/usecases/MessageGroupDelayedTest.java