/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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.apache.shiro.concurrent;

 import java.util.concurrent.*;

 /**

  * Same concept as the {@link SubjectAwareExecutorService} but additionally supports the

  * {@link ScheduledExecutorService} interface.

  */

 public class SubjectAwareScheduledExecutorService extends SubjectAwareExecutorService implements ScheduledExecutorService {

     private ScheduledExecutorService targetScheduledExecutorService;

     public SubjectAwareScheduledExecutorService() {

     }

     public SubjectAwareScheduledExecutorService(ScheduledExecutorService target) {

         setTargetScheduledExecutorService(target);

     }

     public ScheduledExecutorService getTargetScheduledExecutorService() {

         return targetScheduledExecutorService;

     }

     public void setTargetScheduledExecutorService(ScheduledExecutorService targetScheduledExecutorService) {

         super.setTargetExecutorService(targetScheduledExecutorService);

         this.targetScheduledExecutorService = targetScheduledExecutorService;

     }

     @Override

     public void setTargetExecutor(Executor targetExecutor) {

         if (!(targetExecutor instanceof ScheduledExecutorService)) {

             String msg = "The " + getClass().getName() + " implementation only accepts " +

                     ScheduledExecutorService.class.getName() + " target instances.";

             throw new IllegalArgumentException(msg);

         }

         super.setTargetExecutorService((ScheduledExecutorService) targetExecutor);

     }

     @Override

     public void setTargetExecutorService(ExecutorService targetExecutorService) {

         if (!(targetExecutorService instanceof ScheduledExecutorService)) {

             String msg = "The " + getClass().getName() + " implementation only accepts " +

                     ScheduledExecutorService.class.getName() + " target instances.";

             throw new IllegalArgumentException(msg);

         }

         super.setTargetExecutorService(targetExecutorService);

     }

     public ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) {

         Runnable work = associateWithSubject(command);

         return this.targetScheduledExecutorService.schedule(work, delay, unit);

     }

     public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, TimeUnit unit) {

         Callable<V> work = associateWithSubject(callable);

         return this.targetScheduledExecutorService.schedule(work, delay, unit);

     }

     public ScheduledFuture<?> scheduleAtFixedRate(Runnable command, long initialDelay, long period, TimeUnit unit) {

         Runnable work = associateWithSubject(command);

         return this.targetScheduledExecutorService.scheduleAtFixedRate(work, initialDelay, period, unit);

     }

     public ScheduledFuture<?> scheduleWithFixedDelay(Runnable command, long initialDelay, long delay, TimeUnit unit) {

         Runnable work = associateWithSubject(command);

         return this.targetScheduledExecutorService.scheduleWithFixedDelay(work, initialDelay, delay, unit);

     }

 }