com.teamj.distribuidas.ebanking.persistence.PersistenceManager.java Source code

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Here is the source code for com.teamj.distribuidas.ebanking.persistence.PersistenceManager.java

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package com.teamj.distribuidas.ebanking.persistence;

import org.mongodb.morphia.Datastore;
import org.mongodb.morphia.Morphia;

import com.mongodb.MongoClient;
import com.mongodb.MongoClientOptions;
import com.mongodb.ServerAddress;
import com.mongodb.WriteConcern;
import javax.ejb.LocalBean;
import javax.ejb.Singleton;
import javax.ejb.Stateless;

/**
 *
 * @author Freddy
 */

public final class PersistenceManager {

    private static final PersistenceManager INSTANCE = new PersistenceManager();
    private static Morphia morphia;
    private static MongoClient mongoClient;
    private final Datastore mds;
    public static final String DB_NAME = "ebanking";
    public static final String DB_PACKAGE = "com.teamj.distribuidas.corebancario.mongo.model";

    public PersistenceManager() {
        MongoClientOptions mongoOptions = MongoClientOptions.builder().socketTimeout(60000).connectTimeout(60000)
                .build();

        try {

            mongoClient = new MongoClient(new ServerAddress("localhost"), mongoOptions);

        } catch (Exception e) {

            throw new RuntimeException("Error", e);
        }

        mongoClient.setWriteConcern(WriteConcern.SAFE);
        morphia = new Morphia();

        morphia.mapPackage(DB_PACKAGE, true);
        mds = morphia.createDatastore(mongoClient, DB_NAME);
        mds.ensureIndexes();
    }

    public Datastore datastore() {
        return this.mds;
    }

    public static PersistenceManager instance() {

        return INSTANCE;

    }
}