schedulertask.java

一个已经完善的极其方便的实现snmp的开发包

/*_############################################################################
  _## 
  _##  SNMP4J - SchedulerTask.java  
  _## 
  _##  Copyright (C) 2003-2008  Frank Fock and Jochen Katz (SNMP4J.org)
  _##  
  _##  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.snmp4j.util;

/**
 * The <code>SchedulerTask</code> extends the <code>Runnable</code> interface
 * by methods that are needed for recurrent execution of a task.
 *
 * @author Frank Fock
 * @version 1.9
 * @since 1.6
 */
public interface SchedulerTask extends WorkerTask {

  /**
   * Checks whether this task is ready to be executed. A task is
   * @return
   *    <code>true</code> if this task can be executed now.
   */
  boolean isReadyToRun();

  /**
   * Returns <code>true</code> if this task is finished and should never be
   * executed again.
   * @return
   *    <code>true</code> if this task is finished and cannot be executed
   *    anymore.
   */
  boolean isDone();

}