/*
* Copyright 2000-2016 JetBrains s.r.o.
*
* 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.intellij.util.concurrency;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
/**
* Allows to {@link #schedule(Callable, long, TimeUnit)} tasks later
* and execute them in parallel in the {@code backendExecutor} with not more than at {@code maxSimultaneousTasks} at a time.
*/
class BoundedScheduledExecutorService extends SchedulingWrapper {
BoundedScheduledExecutorService(@NotNull String name, @NotNull ExecutorService backendExecutor, int maxSimultaneousTasks) {
super(new BoundedTaskExecutor(name, backendExecutor, maxSimultaneousTasks),
((AppScheduledExecutorService)AppExecutorUtil.getAppScheduledExecutorService()).delayQueue);
assert !(backendExecutor instanceof ScheduledExecutorService) : "backendExecutor is already ScheduledExecutorService: " + backendExecutor;
}
@Override
public void shutdown() {
super.shutdown();
backendExecutorService.shutdown();
}
@NotNull
@Override
public List<Runnable> shutdownNow() {
return ContainerUtil.concat(super.shutdownNow(), backendExecutorService.shutdownNow());
}
@Override
public boolean isShutdown() {
return super.isShutdown() && backendExecutorService.isShutdown();
}
@Override
public boolean isTerminated() {
return super.isTerminated() && backendExecutorService.isTerminated();
}
}