Java Thread Future runIfNotDoneAndGet(RunnableFuture future)

Description

run If Not Done And Get

License

Apache License

Declaration

public static <T> T runIfNotDoneAndGet(RunnableFuture<T> future)
            throws ExecutionException, InterruptedException 

Method Source Code

//package com.java2s;
/*//w w  w .j a  va  2  s  . c om
 * 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.concurrent.ExecutionException;
import java.util.concurrent.RunnableFuture;

public class Main {
    public static <T> T runIfNotDoneAndGet(RunnableFuture<T> future)
            throws ExecutionException, InterruptedException {

        if (null == future) {
            return null;
        }

        if (!future.isDone()) {
            future.run();
        }

        return future.get();
    }
}

Related

1. invokeTask(String threadName, Callable callable)
2. isSuccessful(CompletableFuture f)
3. nanoTime()
4. now(Collection> s)
5. rollback(Object tx)
6. runInNewThread(String threadName, Runnable target)
7. sequence(List> futures)
8. sequence(List> futures)
9. sequence(List> futures)