Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2012-2014 David Karnok
 *
 * 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.
 */

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

public class Main {
    /**
     * Await all of the future tasks indefinitely.
     * The exceptions are combined into a single exception
     * (by adding subsequent exceptions as addsuppressed).
     * @param tasks the sequence of tasks
     * @throws ExecutionException if the task failed
     * @throws InterruptedException if the wait was interrupted
     */
    public static void awaitAll(Iterable<? extends Future<?>> tasks)
            throws ExecutionException, InterruptedException {
        ExecutionException ee = null;
        InterruptedException ie = null;
        for (Future<?> f : tasks) {
            try {
                f.get();
            } catch (ExecutionException ex) {
                if (ee != null) {
                    ee.addSuppressed(ex);
                } else {
                    ee = ex;
                }
            } catch (InterruptedException ex) {
                if (ie != null) {
                    ie.addSuppressed(ex);
                } else {
                    ie = ex;
                }
            }
        }
        if (ee != null && ie != null) {
            ee.addSuppressed(ie);
            throw ee;
        } else if (ee != null) {
            throw ee;
        } else if (ie != null) {
            throw ie;
        }
    }
}