com.dasasian.chok.command.StartMapFileNodeCommand Maven / Gradle / Ivy

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/**
 * Copyright (C) 2014 Dasasian ([email protected])
 *
 * Licensed 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.dasasian.chok.command;

import com.dasasian.chok.mapfile.MapFileServer;
import com.dasasian.chok.node.IContentServer;
import com.dasasian.chok.node.Node;
import com.dasasian.chok.protocol.InteractionProtocol;
import com.dasasian.chok.util.ChokFileSystem;
import com.dasasian.chok.util.NodeConfiguration;
import com.dasasian.chok.util.NodeConfigurationLoader;
import com.dasasian.chok.util.ZkConfiguration;
import com.google.common.base.Optional;
import com.google.inject.Inject;

import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Map;

/**
 * User: damith.chandrasekara
 * Date: 7/7/13
 */
public class StartMapFileNodeCommand extends ProtocolCommand {

    private final ChokFileSystem.Factory chokFileSystemFactory;
    private NodeConfiguration nodeConfiguration;
    private IContentServer server = null;

    @Inject
    public StartMapFileNodeCommand(ChokFileSystem.Factory chokFileSystemFactory) {
        super("startNode", "[-p ] [-f ]", "Starts a local node");
        this.chokFileSystemFactory = chokFileSystemFactory;
    }

    @Override
    protected void parseArguments(ZkConfiguration zkConf, String[] args, Map optionMap) {
        Optional startPort = Optional.absent();
        if (optionMap.containsKey("-p")) {
            startPort = Optional.of(Integer.parseInt(optionMap.get("-p")));
        }

        Optional shardFolder = Optional.absent();
        if (optionMap.containsKey("-f")) {
            shardFolder = Optional.of(Paths.get(optionMap.get("-f")));
        }

        try {
            nodeConfiguration = NodeConfigurationLoader.loadConfiguration(startPort, shardFolder);
        } catch (ClassNotFoundException e) {
            throw new RuntimeException(e);
        }

        server = new MapFileServer();
    }

    @Override
    public void execute(ZkConfiguration zkConf, InteractionProtocol protocol) throws Exception {
        final Node node = new Node(protocol, nodeConfiguration, server, chokFileSystemFactory);
        node.start();
        Runtime.getRuntime().addShutdownHook(new Thread() {
            @Override
            public void run() {
                node.shutdown();
            }
        });
        node.join();
    }

}