Examples of org.apache.qpid.qmf2.common.QmfEvent

org.apache.qpid.qmf2.common.QmfQuery
QMF supports event management functionality. An event is a notification that is sent by an Agent to alert Console(s) of a change in some aspect of the system under management. Like QMF Data, Events may be formally defined by a Schema or not. Unlike QMF Data, Events are not manageable entities - they have no lifecycle. Events simply indicate a point in time where some interesting action occurred.
An AMQP timestamp value is associated with each QmfEvent instance. It indicates the moment in time the event occurred. This timestamp is mandatory.
A severity level may be associated with each QmfEvent instance. The following severity levels are supported:
```
 * "emerg"   - system is unusable * "alert"   - action must be taken immediately * "crit"    - the system is in a critical condition * "err"     - there is an error condition * "warning" - there is a warning condition * "notice"  - a normal but significant condition * "info"    - a purely informational message * "debug"   - messages generated to debug the application 
```
The default severity is "notice". @author Fraser Adams

     * Factory method to create a Subscribe Event Object with timestamp of now.
     * @return the newly created Subscribe Event Object.
     */
    public QmfEvent createSubscribeEvent()
    {
        QmfEvent subscribe = new QmfEvent(_subscribeSchema);
        subscribe.setSeverity("info");
        subscribe.setValue("args", Collections.EMPTY_MAP);
        subscribe.setValue("dest", getStringValue("name"));
        subscribe.setValue("excl", _exclusive);
        subscribe.setValue("qName", _qName);
        // TODO Not sure of a way to get these for Java Broker Subscription.
        //subscribe.setValue("rhost", _connection.getName());
        //subscribe.setValue("user", getStringValue("authIdentity"));
        return subscribe;
    }

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     * Factory method to create an Unsubscribe Event Object with timestamp of now.
     * @return the newly created Unsubscribe Event Object.
     */
    public QmfEvent createUnsubscribeEvent()
    {
        QmfEvent unsubscribe = new QmfEvent(_unsubscribeSchema);
        unsubscribe.setSeverity("info");
        unsubscribe.setValue("dest", getStringValue("name"));
        // TODO Not sure of a way to get these for Java Broker Subscription.
        //unsubscribe.setValue("rhost", _connection.getName());
        //unsubscribe.setValue("user", getStringValue("authIdentity"));
        return unsubscribe;
    }

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     * Factory method to create a Queue Declare Event Object with timestamp of now.
     * @return the newly created Queue Declare Event Object.
     */
    public QmfEvent createQueueDeclareEvent()
    {
        QmfEvent queueDeclare = new QmfEvent(_queueDeclareSchema);
        queueDeclare.setSeverity("info");
        // TODO the _alternateExchangeName gets set some time after the Constructor - how do I get its value for
        // the queueDeclareEvent???!!!
        queueDeclare.setValue("altEx", _alternateExchangeName);
        queueDeclare.setValue("args", Collections.EMPTY_MAP); // TODO
        queueDeclare.setValue("autoDel", getBooleanValue("autoDelete"));
        queueDeclare.setValue("disp", "created");
        queueDeclare.setValue("durable", getBooleanValue("durable"));
        queueDeclare.setValue("excl", getBooleanValue("exclusive"));
        queueDeclare.setValue("qName", getStringValue("name"));
        // TODO Not sure of a way to get these for Java Broker Exchange.
        //queueDeclare.setValue("rhost", _connection.getName());
        //queueDeclare.setValue("user", getStringValue("authIdentity"));
        return queueDeclare;
    }

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     * Factory method to create a Queue Delete Event Object with timestamp of now.
     * @return the newly created Queue Delete Event Object.
     */
    public QmfEvent createQueueDeleteEvent()
    {
        QmfEvent queueDelete = new QmfEvent(_queueDeleteSchema);
        queueDelete.setSeverity("info");
        queueDelete.setValue("qName", getStringValue("name"));
        // TODO Not sure of a way to get these for Java Broker Exchange.
        //queueDelete.setValue("rhost", _connection.getName());
        //queueDelete.setValue("user", getStringValue("authIdentity"));
        return queueDelete;
    }

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        {
            return _proxy.refresh(this, objectId, replyHandle, timeout);
        }
        else
        {
            throw new QmfException("Agent.refresh() called from deactivated Agent");
        }
    }

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        {
            return _proxy.invokeMethod(this, createRequest(objectId, name, inArgs), null, timeout);
        }
        else
        {
            throw new QmfException("Agent.invokeMethod() called from deactivated Agent");
        }
    }

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        {
            _proxy.invokeMethod(this, createRequest(objectId, name, inArgs), replyHandle, -1);
        }
        else
        {
            throw new QmfException("Agent.invokeMethod() called from deactivated Agent");
        }
    }

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    {
        if (_exception == this)
        {
            if (hasValue("error_text"))
            {
                return new QmfException(getStringValue("error_text"));
            }


            if (hasValue("message"))
            {
                return new QmfException(getStringValue("message"));
            }
        }
        return null;
    }

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                if (count == 10)
                {
                    System.out.println("Applying Agent Discovery Query ['eq', '_product', ['quote', 'gizmo']]");
                    System.out.println("This should disable broker Agent events but allow gizmo Agent events");
                    System.out.println("Run AgentTest to prove this");
                    QmfQuery query = new QmfQuery(QmfQueryTarget.OBJECT, "['eq', '_product', ['quote', 'gizmo']]");
                    _console.enableAgentDiscovery(query);
                }
            }
        }
        catch (QmfException qmfe)

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     */
    private void createQueueSubscription()
    {
        try
        {   // This QmfQuery simply does an ID query for objects with the className "queue"
            QmfQuery query = new QmfQuery(QmfQueryTarget.OBJECT, new SchemaClassId("queue"));
            SubscribeParams params = _console.createSubscription(_broker, query, "queueStatsHandle");
            _subscriptionId = params.getSubscriptionId();
            _subscriptionDuration = params.getLifetime() - 10; // Subtract 10 as we want to refresh before it times out
            _startTime = System.currentTimeMillis();
        }

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