Java Thread Future getFuture(Future future, String message)

Description

Retrieves the value of a Future and throws AssertionError on failures.

License

Open Source License

Parameter

Parameter	Description
future	the Future to get the value from
message	a failure message
T	the return type of the Future

Return

the value of the

Declaration

public static <T> T getFuture(Future<T> future, String message) 

Method Source Code

//package com.java2s;
/*//w  ww  .jav  a2  s. c  o  m
 * Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
 *
 * 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 {
    /**
     * Retrieves the value of a {@link Future} and throws {@link AssertionError} on failures.
     *
     * @param future  the {@link Future} to get the value from
     * @param message a failure message
     * @param <T>     the return type of the {@link Future}
     * @return the value of the {@link Future}
     */
    public static <T> T getFuture(Future<T> future, String message) {
        try {
            return future.get();
        } catch (InterruptedException e) {
            throw new AssertionError(message + " " + e.getMessage());
        } catch (ExecutionException e) {
            throw new AssertionError(message + " " + e.getMessage());
        }
    }
}

Related

1. getAll(List> futures)
2. getAll(List> futures)
3. getAllDone(Collection futures)
4. getExceptionFromNewThread(String threadName, Runnable target)
5. getFailedFuture(Throwable throwable)
6. getMinIn(Map> responses)
7. getResults(Iterable> futures)
8. getSilently(Future future)
9. getSysExeNameList()