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Memcacehd Plugin for ElasticSearch

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/*
 * Licensed to Elastic Search and Shay Banon under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Elastic Search 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.elasticsearch.memcached;

import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.action.admin.cluster.node.info.TransportNodesInfoAction;
import org.elasticsearch.common.component.AbstractLifecycleComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.rest.RestController;

/**
 * @author kimchy (shay.banon)
 */
public class MemcachedServer extends AbstractLifecycleComponent {

    private final MemcachedServerTransport transport;

    private final TransportNodesInfoAction nodesInfoAction;

    private final RestController restController;

    @Inject public MemcachedServer(Settings settings, MemcachedServerTransport transport,
                                   RestController restController, TransportNodesInfoAction nodesInfoAction) {
        super(settings);
        this.transport = transport;
        this.restController = restController;
        this.nodesInfoAction = nodesInfoAction;
    }

    @Override protected void doStart() throws ElasticSearchException {
        transport.start();
        if (logger.isInfoEnabled()) {
            logger.info("{}", transport.boundAddress());
        }
        nodesInfoAction.putNodeAttribute("memcached_address", transport.boundAddress().publishAddress().toString());
    }

    @Override protected void doStop() throws ElasticSearchException {
        nodesInfoAction.removeNodeAttribute("memcached_address");
        transport.stop();
    }

    @Override protected void doClose() throws ElasticSearchException {
        transport.close();
    }
}