/**
    * Copyright 2005-2015 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.kcb.service.impl;
  
  import java.util.Collection;
  import java.util.List;
  
  import org.kuali.rice.core.api.criteria.QueryByCriteria;
  import org.kuali.rice.kcb.bo.Message;
  import org.kuali.rice.kcb.service.MessageService;
  import org.kuali.rice.krad.data.DataObjectService;
  import org.kuali.rice.krad.data.PersistenceOption;
  
  import static org.kuali.rice.core.api.criteria.PredicateFactory.equal;
  
  /**
   * MessageService implementation 
   * 
   * @author Kuali Rice Team (rice.collab@kuali.org)
   *
   */
  public class MessageServiceImpl implements MessageService {
  
      private DataObjectService dataObjectService;
      /**
       * @see org.kuali.rice.kcb.service.MessageService#deleteMessage(org.kuali.rice.kcb.bo.Message)
       */
      public void deleteMessage(Message message) {
          dataObjectService.delete(message);
      }
  
      /**
       * @see org.kuali.rice.kcb.service.MessageService#getMessage(java.lang.Long)
       */
      public Message getMessage(Long id) {
          return dataObjectService.find(Message.class, id);
      }
  
      /**
       * @see org.kuali.rice.kcb.service.MessageService#getAllMessages()
       */
      public Collection<Message> getAllMessages() {
          return dataObjectService.findMatching(Message.class, QueryByCriteria.Builder.create().build()).getResults();
      }
  
      /**
       * @see org.kuali.rice.kcb.service.MessageService#saveMessage(org.kuali.rice.kcb.bo.Message)
       */
      public Message saveMessage(Message message) {
          return dataObjectService.save(message);
      }
  
      /**
       * @see org.kuali.rice.kcb.service.MessageService#getMessageByOriginId(java.lang.String)
       */
      public Message getMessageByOriginId(String originId) {
          QueryByCriteria.Builder criteria = QueryByCriteria.Builder.create();
          criteria.setPredicates(equal(Message.ORIGINID_FIELD, originId));
          List<Message> messages = dataObjectService.findMatching(Message.class, criteria.build()).getResults();
  
          if (messages.isEmpty()) {
              return null;
          }
  
          return messages.get(0);
      }
  
      /**
       * Sets the data object service.
       * @param dataObjectService persits data to the datasource.
       */
      public void setDataObjectService(DataObjectService dataObjectService) {
          this.dataObjectService = dataObjectService;
      }
  }