/**

  * 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.core.statement.dao.impl;

 import java.util.List;

 import javax.persistence.EntityManager;

 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.core.statement.dao.StatementDao;

 import org.kuali.student.core.statement.entity.RefStatementRelation;

 import org.kuali.student.core.statement.entity.ReqComponent;

 import org.kuali.student.core.statement.entity.Statement;

 public class StatementDaoImpl extends AbstractSearchableCrudDaoImpl implements StatementDao {

         @PersistenceContext(unitName = "Statement")

         @Override

         public void setEm(EntityManager em) {

                 super.setEm(em);

         }

         @Override

     public List<ReqComponent> getReqComponents(List<String> reqComponentIdList) {

         Query query = em.createNamedQuery("ReqComponent.getReqComponents");

         query.setParameter("reqComponentIdList", reqComponentIdList);

         @SuppressWarnings("unchecked")

         List<ReqComponent> resultList = query.getResultList();

         return resultList;

     }

     @Override

     public List<Statement> getStatements(List<String> statementIdList) {

         Query query = em.createNamedQuery("Statement.getStatements");

         query.setParameter("statementIdList", statementIdList);

         @SuppressWarnings("unchecked")

         List<Statement> resultList = query.getResultList();

         return resultList;

     }

     @Override

     public List<ReqComponent> getReqComponentsByType(String reqComponentTypeKey) {

         Query query = em.createNamedQuery("ReqComponent.getReqComponentsByType");

         query.setParameter("reqComponentTypeKey", reqComponentTypeKey);

         @SuppressWarnings("unchecked")

         List<ReqComponent> resultList = query.getResultList();

         return resultList;

     }

     @Override

     public List<Statement> getStatementsForStatementType(String statementTypeKey) {

         Query query = em.createNamedQuery("Statement.getStatementsForStatementType");

         query.setParameter("statementTypeKey", statementTypeKey);

         @SuppressWarnings("unchecked")

         List<Statement> resultList = query.getResultList();

         return resultList;

     }

     @Override

     public List<Statement> getStatementsForReqComponent(String reqComponentId) {

         Query query = em.createNamedQuery("Statement.getStatementsForReqComponent");

         query.setParameter("reqComponentId", reqComponentId);

         @SuppressWarnings("unchecked")

         List<Statement> resultList = query.getResultList();

         return resultList;

     }

     @Override

     public List<RefStatementRelation> getRefStatementRelations(String refObjectTypeKey, String refObjectId) {

         Query query = em.createNamedQuery("RefStatementRelation.getRefStatementRelations");

         query.setParameter("refObjectTypeKey", refObjectTypeKey);

         query.setParameter("refObjectId", refObjectId);

         @SuppressWarnings("unchecked")

         List<RefStatementRelation> resultList = query.getResultList();

         return resultList;

     }

     @Override

     public Statement getParentStatement(String childId) throws DoesNotExistException {

         Query query = em.createNamedQuery("Statement.getParentStatement");

         query.setParameter("childId", childId);

         try{

                 return (Statement)query.getSingleResult();

         }catch(NoResultException e){

                 throw new DoesNotExistException("No entity for key '" + childId + "' found",e);

         }

     }

 }