/**

  * Copyright 2005-2011 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.opensource.org/licenses/ecl2.php

  *

  * 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.rice.krad.dao.impl;

 import javax.persistence.EntityManager;

 import javax.persistence.PersistenceContext;

 import org.kuali.rice.core.framework.persistence.jpa.criteria.Criteria;

 import org.kuali.rice.core.framework.persistence.jpa.criteria.QueryByCriteria;

 import org.kuali.rice.krad.bo.DocumentHeader;

 import org.kuali.rice.krad.dao.DocumentHeaderDao;

 /**

  * This class is the JPA implementation of the DocumentHeaderDao interface.

  */

 public class DocumentHeaderDaoJpa implements DocumentHeaderDao {

     private static org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(DocumentHeaderDaoJpa.class);

         @PersistenceContext

         private EntityManager entityManager;

         /**

      * @see org.kuali.rice.krad.dao.DocumentHeaderDao#getDocumentHeaderBaseClass()

      */

     public Class getDocumentHeaderBaseClass() {

         LOG.debug("Method getDocumentHeaderBaseClass() returning class " + DocumentHeader.class.getName());

         return DocumentHeader.class;

     }

     /**

      * @see org.kuali.dao.DocumentHeaderDao#getByDocumentHeaderId(java.lang.Long)

      */

     public DocumentHeader getByDocumentHeaderId(String id) {

                 Criteria criteria = new Criteria(DocumentHeader.class.getName());

                 criteria.eq("FDOC_NBR", id);                

                 return (DocumentHeader) new QueryByCriteria(entityManager, criteria).toQuery().getSingleResult();

     }

     /**

      * @return the entityManager

      */

     public EntityManager getEntityManager() {

         return this.entityManager;

     }

     /**

      * @param entityManager the entityManager to set

      */

     public void setEntityManager(EntityManager entityManager) {

         this.entityManager = entityManager;

     }

 }