fresto.Global.java Source code

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Here is the source code for fresto.Global.java

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/**************************************************************************************
 * Copyright 2013 TheSystemIdeas, Inc and Contributors. All rights reserved.          *
 *                                                                                    *
 *     https://github.com/owlab/fresto                                                *
 *                                                                                    *
 *                                                                                    *
 * ---------------------------------------------------------------------------------- *
 * This file is 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 * 
 **************************************************************************************/
package fresto;

import play.*;

import org.zeromq.ZMQ;
import org.zeromq.ZMQ.Context;
import org.zeromq.ZMQ.Socket;

import org.apache.commons.configuration.BaseConfiguration;
import org.apache.commons.configuration.Configuration;
import com.thinkaurelius.titan.core.TitanFactory;
import com.thinkaurelius.titan.core.TitanGraph;

public class Global extends GlobalSettings {

    //private String pubHost = "fresto1";
    //private int pubPort = 7000;
    //private static ZMQ.Context context;
    //private static ZMQ.Socket publisher;
    private static String TITAN_STORAGE_BACKEND;
    private static String TITAN_STORAGE_HOSTNAME;
    private static TitanGraph g;

    @Override
    public void onStart(Application app) {
        //Logger.info("Connecting JeroMQ socket");
        //
        //context = ZMQ.context(1);
        //publisher = context.socket(ZMQ.PUB);
        //publisher.connect("tcp://" + pubHost + ":" + pubPort);

        //Logger.info("JeroMQ publisher uses " + pubPort + " port.");

        TITAN_STORAGE_BACKEND = Play.application().configuration().getString("titan.storage.backend");
        TITAN_STORAGE_HOSTNAME = Play.application().configuration().getString("titan.storage.hostname");

    }

    @Override
    public void onStop(Application app) {
        //Logger.info("Application shutdown...");
        //Logger.info("Closing JeroMQ sockets");
        //publisher.close();
        //context.term();

        if (g != null && g.isOpen()) {
            g.shutdown();
        }
    }

    //public static ZMQ.Socket getPublisher(){
    //   // If sending is atomic action, then this method can be used
    //   return publisher;
    //}

    //public static synchronized void publishToMonitor(String topic, byte[] message){

    //   publisher.send(topic.getBytes(), ZMQ.SNDMORE);
    //   publisher.send(message, 0);

    //}

    public static TitanGraph openGraph() {
        Configuration conf = new BaseConfiguration();
        //conf.setProperty("storage.backend", "cassandra"); 
        conf.setProperty("storage.backend", TITAN_STORAGE_BACKEND);
        conf.setProperty("storage.hostname", TITAN_STORAGE_HOSTNAME);
        // Default
        //conf.setProperty("storage.connection-pool-size", 32); 
        g = TitanFactory.open(conf);
        return g;
    }

    public static synchronized TitanGraph getGraph() {
        if (g == null || !g.isOpen()) {
            openGraph();
        }
        return g;
    }
}