/*

  * Copyright 2007-2008 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.ken.core;

 /**

  * Interface describing an object life cycle

  * @author Kuali Rice Team (rice.collab@kuali.org)

  */

 public interface Lifecycle {

     /**

      * This method starts the lifecycle.

      * @throws Exception

      */

     public void start() throws Exception;

     /**

      * This method stops the lifecycle.

      * @throws Exception

      */

     public void stop() throws Exception;

     /**

      * This method returns whether the lifecycle is running or not.

      * @return

      */

     public boolean isStarted();

 }