projects/GDE_App/GDE-ejb/src/java/com/edf/gde/dao/impl/ChunkDaoImpl.java

   1 /*
   2  * (C) 2015 EDF
   3  */
   4 package com.edf.gde.dao.impl;
   5
   6 import com.edf.gde.dao.ChunkDao;
   7 import com.edf.gde.entities.Chunk;
   8 import com.edf.gde.entities.GDEFile;
   9 import com.edf.gde.transferables.ChunkTO;
  10 import javax.persistence.EntityManager;
  11
  12 /**
  13  *
  14  * @author Kavoos
  15  */
  16 public class ChunkDaoImpl implements ChunkDao {
  17
  18     private final EntityManager em;
  19
  20     public ChunkDaoImpl(EntityManager em) {
  21         this.em = em;
  22     }
  23
  24     @Override
  25     public Chunk createChunk(Chunk c) {
  26         em.persist(c);
  27         return c;
  28     }
  29
  30     @Override
  31     public Chunk findById(long id) {
  32         Chunk found = (Chunk) em.createNamedQuery("Chunk.findById")
  33                 .setParameter("id", id)
  34                 .getSingleResult();
  35         return found;
  36     }
  37
  38     @Override
  39     public Chunk findByFileId(long fileId) {
  40         Chunk found = (Chunk) em.createNamedQuery("Chunk.findByFileId")
  41                 .setParameter("fileId", fileId)
  42                 .getSingleResult();
  43         return found;
  44     }
  45
  46 }