/*
    * Copyright 2005-2008 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.kew.routemodule.service.impl;
  
  import org.kuali.rice.kew.engine.simulation.SimulationCriteria;
  import org.kuali.rice.kew.engine.simulation.SimulationEngine;
  import org.kuali.rice.kew.engine.simulation.SimulationResults;
  import org.kuali.rice.kew.exception.WorkflowException;
  import org.kuali.rice.kew.routeheader.DocumentRouteHeaderValue;
  import org.kuali.rice.kew.routemodule.service.RoutingReportService;
  
  
  public class RoutingReportServiceImpl implements RoutingReportService {
  
      public DocumentRouteHeaderValue report(SimulationCriteria criteria) throws WorkflowException {
      	try {
      		SimulationEngine simulationEngine = new SimulationEngine();
      		SimulationResults results = simulationEngine.runSimulation(criteria);
      		return materializeDocument(results);
          } catch (Exception e) {
          	if (e instanceof RuntimeException) {
          		throw (RuntimeException)e;
          	}
              throw new WorkflowException("Problem running report: " + e.getMessage(), e);
          }
      }
  
      /**
       * The document returned does not have any of the simulated action requests set on it, we'll want to set them.
       */
      private DocumentRouteHeaderValue materializeDocument(SimulationResults results) {
      	DocumentRouteHeaderValue document = results.getDocument();
  		document.getActionRequests().addAll(results.getSimulatedActionRequests());
          return document;
  
      }
  }