001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the license for the specific language governing permissions and 015 * limitations under the license. 016 */ 017package org.apache.logging.log4j.core.config; 018 019import java.util.concurrent.Delayed; 020import java.util.concurrent.ExecutionException; 021import java.util.concurrent.ScheduledFuture; 022import java.util.concurrent.TimeUnit; 023import java.util.concurrent.TimeoutException; 024 025/** 026 * 027 */ 028public class CronScheduledFuture<V> implements ScheduledFuture<V> { 029 030 private volatile ScheduledFuture<?> scheduledFuture; 031 032 public CronScheduledFuture(ScheduledFuture<V> future) { 033 this.scheduledFuture = future; 034 } 035 036 void setScheduledFuture(ScheduledFuture<?> future) { 037 this.scheduledFuture = future; 038 } 039 040 @Override 041 public long getDelay(TimeUnit unit) { 042 return scheduledFuture.getDelay(unit); 043 } 044 045 @Override 046 public int compareTo(Delayed delayed) { 047 return scheduledFuture.compareTo(delayed); 048 } 049 050 @Override 051 public boolean cancel(boolean mayInterruptIfRunning) { 052 return scheduledFuture.cancel(mayInterruptIfRunning); 053 } 054 055 @Override 056 public boolean isCancelled() { 057 return scheduledFuture.isCancelled(); 058 } 059 060 @Override 061 public boolean isDone() { 062 return scheduledFuture.isDone(); 063 } 064 065 @Override 066 @SuppressWarnings("unchecked") 067 public V get() throws InterruptedException, ExecutionException { 068 return (V) scheduledFuture.get(); 069 } 070 071 @Override 072 @SuppressWarnings("unchecked") 073 public V get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { 074 return (V) scheduledFuture.get(timeout, unit); 075 } 076}