/* Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
 * 
 * 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.activiti.examples.bpmn.executionlistener;

import java.util.ArrayList;
import java.util.List;

import org.activiti.engine.delegate.DelegateExecution;
import org.activiti.engine.delegate.ExecutionListener;
import org.activiti.engine.impl.el.FixedValue;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;

/**
 * @author Bernd Ruecker
 */
public class RecorderExecutionListener implements ExecutionListener {
  
  private FixedValue parameter;
  
  private static List<RecorderExecutionListener.RecordedEvent> recordedEvents = new ArrayList<RecorderExecutionListener.RecordedEvent>();

  public static class RecordedEvent {
    private final String activityId;
    private final String eventName;
    private final String activityName;
    private final String parameter;
    
    public RecordedEvent(String activityId, String activityName, String eventName, String parameter) {
      this.activityId = activityId;
      this.activityName = activityName;
      this.parameter = parameter;
      this.eventName = eventName;
    }

    public String getActivityId() {
      return activityId;
    }
    
    public String getEventName() {
      return eventName;
    }

    
    public String getActivityName() {
      return activityName;
    }

    
    public String getParameter() {
      return parameter;
    }
    
  }
  
  public void notify(DelegateExecution execution) throws Exception {
    ExecutionEntity executionCasted = ((ExecutionEntity)execution);
    recordedEvents.add( new RecordedEvent( //
                    executionCasted.getActivityId(), 
                    (String)executionCasted.getActivity().getProperties().get("name"), 
                    execution.getEventName(),
                    (String)parameter.getValue(execution)));
  }

  public static void clear() {
    recordedEvents.clear();
  }

  public static List<RecordedEvent> getRecordedEvents() {
    return recordedEvents;
  }
  
  
}