com.eluup.flume.sink.elasticsearch.client.PreBuiltTransportClient.java Source code

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Here is the source code for com.eluup.flume.sink.elasticsearch.client.PreBuiltTransportClient.java

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/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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 com.eluup.flume.sink.elasticsearch.client;

import io.netty.util.ThreadDeathWatcher;
import io.netty.util.concurrent.GlobalEventExecutor;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.concurrent.TimeUnit;

import org.elasticsearch.client.transport.TransportClient;
import org.elasticsearch.common.network.NetworkModule;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.reindex.ReindexPlugin;
import org.elasticsearch.percolator.PercolatorPlugin;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.script.mustache.MustachePlugin;
import org.elasticsearch.transport.Netty3Plugin;
import org.elasticsearch.transport.Netty4Plugin;

/**
 * A builder to create an instance of {@link TransportClient} This class
 * pre-installs the {@link Netty3Plugin}, {@link Netty4Plugin},
 * {@link ReindexPlugin}, {@link PercolatorPlugin}, and {@link MustachePlugin}
 * for the client. These plugins are all elasticsearch core modules required.
 */
@SuppressWarnings({ "unchecked", "varargs" })
public class PreBuiltTransportClient extends TransportClient {

    private static final Collection<Class<? extends Plugin>> PRE_INSTALLED_PLUGINS = Collections
            .unmodifiableList(Arrays.asList(Netty3Plugin.class, Netty4Plugin.class, ReindexPlugin.class,
                    PercolatorPlugin.class, MustachePlugin.class));

    @SafeVarargs
    public PreBuiltTransportClient(Settings settings, Class<? extends Plugin>... plugins) {
        this(settings, Arrays.asList(plugins));
    }

    public PreBuiltTransportClient(Settings settings, Collection<Class<? extends Plugin>> plugins) {
        super(settings, Settings.EMPTY, addPlugins(plugins, PRE_INSTALLED_PLUGINS));
    }

    @Override
    public void close() {
        super.close();
        if (NetworkModule.TRANSPORT_TYPE_SETTING.exists(settings) == false
                || NetworkModule.TRANSPORT_TYPE_SETTING.get(settings).equals(Netty4Plugin.NETTY_TRANSPORT_NAME)) {
            try {
                GlobalEventExecutor.INSTANCE.awaitInactivity(5, TimeUnit.SECONDS);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
            }
            try {
                ThreadDeathWatcher.awaitInactivity(5, TimeUnit.SECONDS);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
            }
        }
    }

}