Model.DAO_Template.java Source code

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Here is the source code for Model.DAO_Template.java

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package Model;

import java.sql.Connection;
import com.mongodb.BasicDBObjectBuilder;
import com.mongodb.DB;
import com.mongodb.DBCollection;
import com.mongodb.DBObject;
import com.mongodb.MongoClient;
import java.net.UnknownHostException;

import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.bson.types.ObjectId;

/**
 *
 * @author admin
 * @param <T>
 */
public abstract class DAO_Template<T> {

    protected MongoClient mongoClient = null;
    protected DB db = null;
    protected DBCollection collection;

    public DAO_Template(Connection conn) throws UnknownHostException {
        // Enable MongoDB logging in general
        System.setProperty("DEBUG.MONGO", "true");

        // Enable DB operation tracing
        System.setProperty("DB.TRACE", "true");

        // try {
        this.mongoClient = new MongoClient("172.16.1.20", 27017);
        //this.mongoClient = new MongoClient("192.168.2.254", 27017);
        db = mongoClient.getDB("test");

        if (db.collectionExists("collection")) {
            collection = db.getCollection("collection");
        } else {
            DBObject options = BasicDBObjectBuilder.start().add("capped", false).add("size", 2000000000l).get();
            collection = db.createCollection("collection", options);
        }

        // } catch (Exception ex) {
        //   Logger.getLogger(DAO_Template.class.getName()).log(Level.SEVERE, null, ex);
        //}
    }

    /**
     *
     * Mthode de cration
     *
     * @param obj
     *
     * @return boolean *
     */
    public abstract boolean create(T obj);

    /**
     *
     * Mthode pour effacer
     *
     * @param obj
     *
     * @return boolean *
     */
    public abstract boolean delete(T obj);

    /**
     *
     * Mthode de mise  jour
     *
     * @param obj
     *
     * @return boolean
     *
     */
    public abstract boolean update(T obj, T obje);

    /**
     *
     * Mthode de recherche des informations
     *
     * @param id
     *
     * @return T
     *
     */
    public abstract T findById(ObjectId id);

    /**
     *
     * Mthode de recherche des informations
     *
     * @return T
     *
     */
    public abstract List<T> findAll();
}