io.jeandavid.projects.vod.service.DirectorFacadeREST.java Source code

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/*
 * The MIT License
 *
 * Copyright 2015 jd.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package io.jeandavid.projects.vod.service;

import io.jeandavid.projects.vod.entities.Director;
import io.jeandavid.projects.vod.entities.Dvd;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;

/**
 *
 * @author jd
 */
@Stateless
@Path("director")
public class DirectorFacadeREST extends AbstractFacade<Director> {

    @PersistenceContext(unitName = "io.jeandavid.projects_vod_war_1.0-SNAPSHOTPU")
    private EntityManager em;

    private SessionFactory sessionFactory = null;

    public SessionFactory getSessionFactory() {
        if (sessionFactory == null) {
            sessionFactory = em.getEntityManagerFactory().unwrap(SessionFactory.class);
        }
        return sessionFactory;
    }

    public DirectorFacadeREST() {
        super(Director.class);
    }

    @POST
    @Override
    @Produces(MediaType.APPLICATION_JSON)
    @Consumes(MediaType.APPLICATION_JSON)
    public Director create(Director entity) {
        return super.create(entity);
    }

    @PUT
    @Path("{id}")
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.APPLICATION_JSON)
    public Director edit(@PathParam("id") Long id, Director entity) {
        return super.edit(entity);
    }

    @DELETE
    @Path("{id}")
    public void remove(@PathParam("id") Long id) {
        super.remove(super.find(id));
    }

    @GET
    @Path("{id}")
    @Produces(MediaType.APPLICATION_JSON)
    public Director find(@PathParam("id") Long id) {
        return super.find(id);
    }

    @POST
    @Path("{id}/dvd")
    @Consumes(MediaType.APPLICATION_JSON)
    public void addDvd(@PathParam("id") Long id, Dvd dvd) {
        Director director = super.find(id);
        Session session = this.getSessionFactory().openSession();
        Transaction tr = session.beginTransaction();
        session.refresh(dvd);
        director.addDvd(dvd);
        session.flush();
        tr.commit();
        session.close();
    }

    @GET
    @Path("{id}/dvd")
    @Produces(MediaType.APPLICATION_JSON)
    public Set<Dvd> getDvds(@PathParam("id") Long id) {
        Director director = super.find(id);
        return new HashSet<Dvd>(director.getDvds());
    }

    @GET
    @Override
    @Produces(MediaType.APPLICATION_JSON)
    public List<Director> findAll() {
        return super.findAll();
    }

    @GET
    @Path("{from}/{to}")
    @Produces(MediaType.APPLICATION_JSON)
    public List<Director> findRange(@PathParam("from") Integer from, @PathParam("to") Integer to) {
        return super.findRange(new int[] { from, to });
    }

    @GET
    @Path("count")
    @Produces(MediaType.TEXT_PLAIN)
    public String countREST() {
        return String.valueOf(super.count());
    }

    @Override
    protected EntityManager getEntityManager() {
        return em;
    }

}