/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.brooklyn.entity.messaging.qpid;

import static java.lang.String.format;

import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;

import org.apache.brooklyn.entity.messaging.amqp.AmqpExchange;
import org.apache.brooklyn.feed.jmx.JmxAttributePollConfig;
import org.apache.brooklyn.feed.jmx.JmxFeed;
import org.apache.brooklyn.util.exceptions.Exceptions;

public class QpidQueueImpl extends QpidDestinationImpl implements QpidQueue {
    public QpidQueueImpl() {
    }

    @Override
    public void onManagementStarting() {
        super.onManagementStarting();
        sensors().set(QUEUE_NAME, getName());
        try {
            exchange = new ObjectName(format("org.apache.qpid:type=VirtualHost.Exchange,VirtualHost=\"%s\",name=\"%s\",ExchangeType=direct", virtualHost, getExchangeName()));
        } catch (MalformedObjectNameException e) {
            throw Exceptions.propagate(e);
        }
    }

    @Override
    protected void connectSensors() {
        String queue = format("org.apache.qpid:type=VirtualHost.Queue,VirtualHost=\"%s\",name=\"%s\"", virtualHost, getName());
        
        jmxFeed = JmxFeed.builder()
                .entity(this)
                .helper(jmxHelper)
                .pollAttribute(new JmxAttributePollConfig<Integer>(QUEUE_DEPTH_BYTES)
                        .objectName(queue)
                        .attributeName("QueueDepth"))
                .pollAttribute(new JmxAttributePollConfig<Integer>(QUEUE_DEPTH_MESSAGES)
                        .objectName(queue)
                        .attributeName("MessageCount"))
                .build();
    }

    @Override
    public String getExchangeName() {
        return AmqpExchange.DIRECT;
    }
}
