org.springframework.util.concurrent.SettableListenableFuture Maven / Gradle / Ivy
/*
* Copyright 2002-2022 the original author or authors.
*
* 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
*
* https://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 org.springframework.util.concurrent;
import java.util.concurrent.Callable;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* A {@link ListenableFuture} whose value can be set via {@link #set(Object)}
* or {@link #setException(Throwable)}. It may also get cancelled.
*
* Inspired by {@code com.google.common.util.concurrent.SettableFuture}.
*
* @author Mattias Severson
* @author Rossen Stoyanchev
* @author Juergen Hoeller
* @since 4.1
* @param the result type returned by this Future's {@code get} method
*/
public class SettableListenableFuture implements ListenableFuture {
private static final Callable