| /* |
| * Copyright (C) 2013 The Guava Authors |
| * |
| * 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 com.google.common.util.concurrent; |
| |
| import com.google.common.annotations.GwtIncompatible; |
| import com.google.errorprone.annotations.CanIgnoreReturnValue; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.ScheduledFuture; |
| import java.util.concurrent.TimeUnit; |
| |
| /** |
| * An abstract {@code ScheduledExecutorService} that allows subclasses to {@linkplain |
| * #wrapTask(Callable) wrap} tasks before they are submitted to the underlying executor. |
| * |
| * <p>Note that task wrapping may occur even if the task is never executed. |
| * |
| * @author Luke Sandberg |
| */ |
| @CanIgnoreReturnValue // TODO(cpovirk): Consider being more strict. |
| @GwtIncompatible |
| abstract class WrappingScheduledExecutorService extends WrappingExecutorService |
| implements ScheduledExecutorService { |
| final ScheduledExecutorService delegate; |
| |
| protected WrappingScheduledExecutorService(ScheduledExecutorService delegate) { |
| super(delegate); |
| this.delegate = delegate; |
| } |
| |
| @Override |
| public final ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) { |
| return delegate.schedule(wrapTask(command), delay, unit); |
| } |
| |
| @Override |
| public final <V> ScheduledFuture<V> schedule(Callable<V> task, long delay, TimeUnit unit) { |
| return delegate.schedule(wrapTask(task), delay, unit); |
| } |
| |
| @Override |
| public final ScheduledFuture<?> scheduleAtFixedRate( |
| Runnable command, long initialDelay, long period, TimeUnit unit) { |
| return delegate.scheduleAtFixedRate(wrapTask(command), initialDelay, period, unit); |
| } |
| |
| @Override |
| public final ScheduledFuture<?> scheduleWithFixedDelay( |
| Runnable command, long initialDelay, long delay, TimeUnit unit) { |
| return delegate.scheduleWithFixedDelay(wrapTask(command), initialDelay, delay, unit); |
| } |
| } |