package org.lsst.ccs.bus;
   
   import org.lsst.ccs.state.PublishedState;
   
   import java.io.Serializable;
   
   /**
    * @author bamade
    */
  // Date: 23/01/2014
  
  public class StateChangeNotification extends Status implements Serializable {
      private static final long serialVersionUID = -6140449952281306424L;
      private PublishedState previousState;
  
      public StateChangeNotification(DetailLevel level, PublishedState oldState, PublishedState newState) {
          super(newState);
          this.previousState = oldState;
          this.detailLevel = level;
      }
  
      public PublishedState getPreviousState() {
          return previousState;
      }
  }