Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 */

import java.util.List;

import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;

public class Main {
    /**
     * Verify that no assertions have failed inside a future.
     * Used for unit tests that spawn threads. E.g.,
     * <p>
     * <code>
     *   List<Future<Void>> results = Lists.newArrayList();
     *   Future<Void> f = executor.submit(new Callable<Void> {
     *     public Void call() {
     *       assertTrue(someMethod());
     *     }
     *   });
     *   results.add(f);
     *   assertOnFutures(results);
     * </code>
     * @param threadResults A list of futures
     * @param <T>
     * @throws InterruptedException If interrupted when waiting for a result
     *                              from one of the futures
     * @throws ExecutionException If an exception other than AssertionError
     *                            occurs inside any of the futures
     */
    public static <T> void assertOnFutures(List<Future<T>> threadResults)
            throws InterruptedException, ExecutionException {
        for (Future<T> threadResult : threadResults) {
            try {
                threadResult.get();
            } catch (ExecutionException e) {
                if (e.getCause() instanceof AssertionError) {
                    throw (AssertionError) e.getCause();
                }
                throw e;
            }
        }
    }
}