001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.activemq.broker.region;
019
020import org.apache.activemq.management.CountStatisticImpl;
021import org.apache.activemq.management.PollCountStatisticImpl;
022import org.apache.activemq.management.StatsImpl;
023
024/**
025 * The J2EE Statistics for the a Destination.
026 * 
027 * 
028 */
029public class ConnectorStatistics extends StatsImpl {
030
031    protected CountStatisticImpl enqueues;
032    protected CountStatisticImpl dequeues;
033    protected CountStatisticImpl consumers;
034    protected CountStatisticImpl messages;
035    protected PollCountStatisticImpl messagesCached;
036
037    public ConnectorStatistics() {
038
039        enqueues = new CountStatisticImpl("enqueues", "The number of messages that have been sent to the destination");
040        dequeues = new CountStatisticImpl("dequeues", "The number of messages that have been dispatched from the destination");
041        consumers = new CountStatisticImpl("consumers", "The number of consumers that that are subscribing to messages from the destination");
042        messages = new CountStatisticImpl("messages", "The number of messages that that are being held by the destination");
043        messagesCached = new PollCountStatisticImpl("messagesCached", "The number of messages that are held in the destination's memory cache");
044
045        addStatistic("enqueues", enqueues);
046        addStatistic("dequeues", dequeues);
047        addStatistic("consumers", consumers);
048        addStatistic("messages", messages);
049        addStatistic("messagesCached", messagesCached);
050    }
051
052    public CountStatisticImpl getEnqueues() {
053        return enqueues;
054    }
055
056    public CountStatisticImpl getDequeues() {
057        return dequeues;
058    }
059
060    public CountStatisticImpl getConsumers() {
061        return consumers;
062    }
063
064    public PollCountStatisticImpl getMessagesCached() {
065        return messagesCached;
066    }
067
068    public CountStatisticImpl getMessages() {
069        return messages;
070    }
071
072    public void reset() {
073        super.reset();
074        enqueues.reset();
075        dequeues.reset();
076    }
077
078    public void setEnabled(boolean enabled) {
079        super.setEnabled(enabled);
080        enqueues.setEnabled(enabled);
081        dequeues.setEnabled(enabled);
082        consumers.setEnabled(enabled);
083        messages.setEnabled(enabled);
084        messagesCached.setEnabled(enabled);
085    }
086
087    public void setParent(ConnectorStatistics parent) {
088        if (parent != null) {
089            enqueues.setParent(parent.enqueues);
090            dequeues.setParent(parent.dequeues);
091            consumers.setParent(parent.consumers);
092            messagesCached.setParent(parent.messagesCached);
093            messages.setParent(parent.messages);
094        } else {
095            enqueues.setParent(null);
096            dequeues.setParent(null);
097            consumers.setParent(null);
098            messagesCached.setParent(null);
099            messages.setParent(null);
100        }
101    }
102
103    public void setMessagesCached(PollCountStatisticImpl messagesCached) {
104        this.messagesCached = messagesCached;
105    }
106}