/**
    * 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;
      }
  
  }