com.camillepradel.movierecommender.model.DataManager.java Source code

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Here is the source code for com.camillepradel.movierecommender.model.DataManager.java

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package com.camillepradel.movierecommender.model;

import com.mongodb.MongoClient;
import org.neo4j.driver.v1.*;

public class DataManager {
    public static final String TYPE = "MONGODB";
    private static MongoClient mongoClient;
    private static Session neoClient;
    private static Driver neoDriver;

    /** Constructeur priv */
    private DataManager() {
    }

    /** Instance unique pr-initialise */
    private static DataManager INSTANCE = new DataManager();

    /** Point d'accs pour l'instance unique du singleton
     * @return  */
    public static DataManager getInstance() {
        return INSTANCE;
    }

    public static MongoClient getMongoClient() {
        if (DataManager.mongoClient == null) {
            DataManager.mongoClient = new MongoClient("localhost", 27017);
        }
        return DataManager.mongoClient;
    }

    public static void closeMongoClient() {
        DataManager.mongoClient.close();
        DataManager.mongoClient = null;
    }

    public static Session getNeoClient() {
        if (DataManager.neoClient == null) {
            try {
                DataManager.neoDriver = GraphDatabase.driver("bolt://localhost",
                        AuthTokens.basic("neo4j", "azerty"));
                System.out.println(DataManager.neoDriver);
                DataManager.neoClient = DataManager.neoDriver.session();
                System.out.println(DataManager.neoClient);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        return DataManager.neoClient;
    }

    public static void closeNeoClient() {
        DataManager.neoClient.close();
        DataManager.neoDriver.close();
        DataManager.neoDriver = null;
        DataManager.neoClient = null;
    }
}