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From "Pete Redhead (JIRA)" <j...@apache.org>
Subject [jira] Created: (AMQ-2911) Option to make all consumers retroactive
Date Mon, 13 Sep 2010 12:41:40 GMT
Option to make all consumers retroactive
----------------------------------------

                 Key: AMQ-2911
                 URL: https://issues.apache.org/activemq/browse/AMQ-2911
             Project: ActiveMQ
          Issue Type: Improvement
          Components: Broker
            Reporter: Pete Redhead
            Priority: Minor


Our organisation uses ActiveMQ as part of our RadioVIS implementation. One feature we found
that we found was missing was the ability to treat all consumers as if they were setting consumer.retroactive=true.
i.e. when they connect to a topic, they are instantly sent the topic's last message. 
(We found it necessary to implement server side, as the clients come from a variety of third-party
providers, which do not implement the retroactive header).

Included is a patch that allows this to be configured on a per-topic basis from the configuration
file, for example:
{code:xml}
<policyEntry topic=">" producerFlowControl="true" alwaysRetroactive="true" memoryLimit="1mb">
  <subscriptionRecoveryPolicy>
     <lastImageSubscriptionRecoveryPolicy />
  </subscriptionRecoveryPolicy>
</policyEntry>
{code}

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