io.trino.util.Executors Maven / Gradle / Ivy
/*
* 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 io.trino.util;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.CompletionService;
import java.util.concurrent.Executor;
import java.util.concurrent.ExecutorCompletionService;
import java.util.concurrent.Future;
import static io.airlift.concurrent.MoreFutures.getDone;
public final class Executors
{
private Executors() {}
/**
* Run all tasks on executor returning as soon as all complete or any task fails.
* Upon task execution failure, other tasks are cancelled and interrupted, but not waited
* for.
*/
public static void executeUntilFailure(Executor executor, Collection> tasks)
{
CompletionService completionService = new ExecutorCompletionService<>(executor);
List> futures = new ArrayList<>(tasks.size());
for (Callable task : tasks) {
futures.add(completionService.submit(task));
}
try {
for (int i = 0; i < futures.size(); i++) {
getDone(take(completionService));
}
}
catch (Exception failure) {
try {
futures.forEach(future -> future.cancel(true));
}
catch (RuntimeException e) {
failure.addSuppressed(e);
}
throw failure;
}
}
private static Future take(CompletionService completionService)
{
try {
return completionService.take();
}
catch (InterruptedException e) {
Thread.currentThread().interrupt();
throw new RuntimeException("Interrupted", e);
}
}
}