/*
    * Copyright 2010 James Pether Sörling
    *
    * Licensed under the Apache License, Version 2.0 (the "License");
    * you may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   http://www.apache.org/licenses/LICENSE-2.0
    *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   *
   *	$Id$
   *  $HeadURL$
  */
  package com.hack23.cia.service.data.impl;
  
  import java.util.List;
  
  import javax.persistence.criteria.CriteriaQuery;
  import javax.persistence.criteria.Root;
  
  import org.springframework.stereotype.Repository;
  
  import com.hack23.cia.model.external.riksdagen.votering.impl.VoteData;
  import com.hack23.cia.model.external.riksdagen.votering.impl.VoteDataEmbeddedId;
  import com.hack23.cia.model.external.riksdagen.votering.impl.VoteData_;
  import com.hack23.cia.service.data.api.VoteDataDAO;
  
  /**
   * The Class VoteDataDAOImpl.
   */
  @Repository("VoteDataDAO")
  final class VoteDataDAOImpl extends
  AbstractGenericDAOImpl<VoteData, VoteDataEmbeddedId> implements VoteDataDAO {
  
  	/**
  	 * Instantiates a new vote data dao impl.
  	 */
  	public VoteDataDAOImpl() {
  		super(VoteData.class);
  	}
  
  	@Override
  	public List<VoteDataEmbeddedId> getBallotIdList() {
  		final CriteriaQuery<VoteDataEmbeddedId> criteria = getCriteriaBuilder().createQuery(
  				VoteDataEmbeddedId.class);
  		final Root<VoteData> root = criteria.from(VoteData.class);
  		criteria.select(root.get(VoteData_.embeddedId));
  		criteria.distinct(true);
  		return getEntityManager().createQuery(criteria).getResultList();
  	}
  
  	@Override
  	public List<VoteDataEmbeddedId> getIdList() {
  		final CriteriaQuery<VoteDataEmbeddedId> criteria = getCriteriaBuilder().createQuery(
  				VoteDataEmbeddedId.class);
  		final Root<VoteData> root = criteria.from(VoteData.class);
  		criteria.select(getCriteriaBuilder().construct(VoteDataEmbeddedId.class,
  				root.get(VoteData_.embeddedId)));
  		return getEntityManager().createQuery(criteria).getResultList();
  	}
  
  }