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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 org.apache.camel.component.hazelcast.topic;

import java.util.UUID;

import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.topic.ITopic;
import org.apache.camel.Endpoint;
import org.apache.camel.Processor;
import org.apache.camel.component.hazelcast.HazelcastDefaultConsumer;
import org.apache.camel.component.hazelcast.listener.CamelMessageListener;

public class HazelcastTopicConsumer extends HazelcastDefaultConsumer {

    private ITopic topic;

    private UUID listener;

    public HazelcastTopicConsumer(HazelcastInstance hazelcastInstance, Endpoint endpoint, Processor processor, String cacheName,
                                  boolean reliable) {
        super(hazelcastInstance, endpoint, processor, cacheName);
        if (!reliable) {
            topic = hazelcastInstance.getTopic(cacheName);
        } else {
            topic = hazelcastInstance.getReliableTopic(cacheName);
        }
    }

    @Override
    protected void doStart() throws Exception {
        super.doStart();

        listener = topic.addMessageListener(new CamelMessageListener(this, cacheName));
    }

    @Override
    protected void doStop() throws Exception {
        topic.removeMessageListener(listener);

        super.doStop();
    }
}