/*
    * Copyright 2007 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.ole.sys.dataaccess.impl;
  
  import java.util.ArrayList;
  import java.util.Collection;
  
  import org.apache.log4j.Logger;
  import org.apache.ojb.broker.metadata.MetadataManager;
  import org.apache.ojb.broker.query.Criteria;
  import org.apache.ojb.broker.query.Query;
  import org.apache.ojb.broker.query.QueryByCriteria;
  import org.apache.ojb.broker.query.QueryFactory;
  import org.kuali.ole.sys.OLEConstants;
  import org.kuali.ole.sys.businessobject.AccountingLine;
  import org.kuali.ole.sys.businessobject.SourceAccountingLine;
  import org.kuali.ole.sys.businessobject.TargetAccountingLine;
  import org.kuali.ole.sys.dataaccess.AccountingLineDao;
  import org.kuali.rice.core.framework.persistence.ojb.dao.PlatformAwareDaoBaseOjb;
  import org.springframework.dao.DataAccessException;
  
  /**
   * This class is the OJB implementation of the AccountingLineDao interface.
   */
  
  public class AccountingLineDaoOjb extends PlatformAwareDaoBaseOjb implements AccountingLineDao {
      private static final Logger LOG = Logger.getLogger(AccountingLineDaoOjb.class);
  
      /**
       * Deletes an accounting line from the DB using OJB.
       */
      public void deleteAccountingLine(AccountingLine line) throws DataAccessException {
          getPersistenceBrokerTemplate().delete(line);
      }
  
      /**
       * Retrieves accounting lines associate with a given document header ID using OJB.
       * 
       * @param classname
       * @param id
       * @return
       */
      public ArrayList findByDocumentHeaderId(Class clazz, String documentHeaderId) throws DataAccessException {
          Criteria criteria = new Criteria();
          criteria.addEqualTo("FDOC_NBR", documentHeaderId);
          if (MetadataManager.getInstance().getRepository().getDescriptorFor(clazz).getFieldDescriptorByName("financialDocumentLineTypeCode") != null) {
              if (SourceAccountingLine.class.isAssignableFrom(clazz)) {
                  criteria.addEqualTo("FDOC_LN_TYP_CD", OLEConstants.SOURCE_ACCT_LINE_TYPE_CODE);
              }
              else if (TargetAccountingLine.class.isAssignableFrom(clazz)) {
                  criteria.addEqualTo("FDOC_LN_TYP_CD", OLEConstants.TARGET_ACCT_LINE_TYPE_CODE);
              }
          }
  
          QueryByCriteria query = QueryFactory.newQuery(clazz, criteria);
          Collection lines = findCollection(query);
  
          return new ArrayList(lines);
      }
  
      /**
       * Retrieve a Collection of Document instances found by a query.
       * 
       * @param query
       * @return
       */
      protected Collection findCollection(Query query) throws DataAccessException {
          return getPersistenceBrokerTemplate().getCollectionByQuery(query);
      }
  }