New Feature Announce - Java QMF2 API Implementation.
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Key: QPID-3675
URL: https://issues.apache.org/jira/browse/QPID-3675
Project: Qpid
Issue Type: New Feature
Components: Java Management : QMF
Affects Versions: 0.12
Environment: Java QMF2
Reporter: Fraser Adams
This is the first release of a QMF2 API Implementation for Java.
Features:
* Full Implementation of QMF2 Console, Agent and AgentExternal.
* Supports QMF2 Query Subscriptions on Agent/AgentExternal implementations.
* Emulates QMF2 Query Subscriptions on the Console side for the broker
ManagementAgent by
intercepting _data indications and filtering against QmfQuery. This is
necessary as the
ManagemetAgent doesn't yet support QMF2 style Query Subscriptions.
* Console supports Agent discovery via findAgent() method, which can support
partial matches,
which is useful because the full Agent name has a UUID representing the
"instance" so it's hard
to know the full name.
* QmfQuery supports regex matching.
* Supports QMF2 WorkItem Event model and in addition supports an alternative
QmfEventListener
Event model, which is rather more like the JMS MessageListener model.
Example Tools Provided:
* ConnectionAudit: Audits connections to one or more Qpid message brokers
against a whitelist.
* ConnectionLogger: A QMF2 class used to provide information about connections
made to a broker.
* QpidConfig: QpidConfig is a fairly "literal" Java port of the python
qpid-config tool. Uses pure
QMF2 for adding/deleting queues, exchanges & bindings this provides useful
illustration of how
to do these things using the ManagementAgent method calls.
* QpidCtrl: A tool to allow QMF2 methods to be invoked from the command line.
* QpidPrintEvents: Collect and print events from one or more Qpid message
brokers.
* QpidQueueStats: Collect and print queue statistics. This is a rewrite of the
Python version and
illustrates the use of QuerySubscriptions (via the Console side emulation)to
subscribe to
objects on the ManagementAgent.
* QueueFuse: QueueFuse provides protection to message producers from consumers
who can't consume
messages fast enough.
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