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Brooklyn entities for messaging software processes

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/*
 * 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 brooklyn.entity.messaging.qpid;

import static java.lang.String.format;

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

import brooklyn.entity.messaging.amqp.AmqpExchange;
import brooklyn.util.exceptions.Exceptions;

public class QpidTopicImpl extends QpidDestinationImpl implements QpidTopic {

    public QpidTopicImpl() {
    }

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

    // TODO sensors
    @Override
    public void connectSensors() {
    }

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

    @Override
    public String getTopicName() { return getQueueName(); }
}