org.testifyproject.guava.common.util.concurrent.SettableFuture Maven / Gradle / Ivy
/*
* Copyright (C) 2009 The Guava 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
*
* 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.
*/
package org.testifyproject.guava.common.util.concurrent;
import org.testifyproject.guava.common.annotations.Beta;
import org.testifyproject.guava.common.annotations.GwtCompatible;
import javax.annotation.Nullable;
/**
* A {@link ListenableFuture} whose result may be set by a {@link #set(Object)},
* {@link #setException(Throwable)} or {@link #setFuture(ListenableFuture)} call.
* It may also be cancelled.
*
* @author Sven Mawson
* @since 9.0 (in 1.0 as {@code ValueFuture})
*/
@GwtCompatible
public final class SettableFuture extends AbstractFuture.TrustedFuture {
/**
* Creates a new {@code SettableFuture} in the default state.
*/
public static SettableFuture create() {
return new SettableFuture();
}
/**
* Explicit private constructor, use the {@link #create} factory method to
* create instances of {@code SettableFuture}.
*/
private SettableFuture() {}
@Override public boolean set(@Nullable V value) {
return super.set(value);
}
@Override public boolean setException(Throwable throwable) {
return super.setException(throwable);
}
@Beta
@Override
public boolean setFuture(ListenableFuture future) {
return super.setFuture(future);
}
}