/**
    * Copyright 2010 The Kuali Foundation Licensed under the
    * Educational Community 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.osedu.org/licenses/ECL-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.
   */
  
  package org.kuali.student.lum.lrc.dao.impl;
  
  import java.util.List;
  
  import javax.persistence.EntityManager;
  import javax.persistence.EntityNotFoundException;
  import javax.persistence.NoResultException;
  import javax.persistence.PersistenceContext;
  import javax.persistence.Query;
  
  import org.kuali.student.core.dao.impl.AbstractSearchableCrudDaoImpl;
  import org.kuali.student.core.exceptions.DoesNotExistException;
  import org.kuali.student.lum.lrc.dao.LrcDao;
  import org.kuali.student.lum.lrc.entity.ResultComponentType;
  
  public class LrcDaoImpl extends AbstractSearchableCrudDaoImpl implements LrcDao {
  	@PersistenceContext(unitName = "Lrc")
  	@Override
  	public void setEm(EntityManager em) {
  		super.setEm(em);
  	}
  
  	@Override
      public List<String> getResultComponentIdsByResult(String resultValueId, String resultComponentTypeKey) {
          Query query = em.createNamedQuery("ResultComponent.getResultComponentIdsByResult");
          query.setParameter("resultValueId", resultValueId);
          query.setParameter("resultComponentTypeKey", resultComponentTypeKey);
          @SuppressWarnings("unchecked")
          List<String> resultList = query.getResultList();
          return resultList;
      }
  
  	@Override
      public List<String> getResultComponentIdsByResultComponentType(String resultComponentTypeKey) {
          Query query = em.createNamedQuery("ResultComponent.getResultComponentIdsByResultComponentType");
          query.setParameter("resultComponentTypeKey", resultComponentTypeKey);
          @SuppressWarnings("unchecked")
          List<String> resultList = query.getResultList();
          return resultList;
      }
  
  	@Override
      public ResultComponentType getResultComponentType(String resultComponentTypeKey) throws DoesNotExistException {
          Query query = em.createNamedQuery("ResultComponent.getResultComponentType");
          query.setParameter("resultComponentTypeKey", resultComponentTypeKey);
          try {
              return (ResultComponentType)query.getSingleResult();
          } catch (NoResultException e) {
              throw new DoesNotExistException();
          } catch (EntityNotFoundException e){
          	throw new DoesNotExistException();
          }
      }
  }