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/*
* 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 com.google.common.util.concurrent;
import java.util.concurrent.Callable;
import javax.annotation.Nullable;
/**
* Static utility methods pertaining to the {@link Callable} interface.
*
* @author Isaac Shum
* @since 1.0
*/
public final class Callables {
private Callables() {}
/**
* Creates a {@code Callable} which immediately returns a preset value each
* time it is called.
*/
public static <T> Callable<T> returning(final @Nullable T value) {
return new Callable<T>() {
@Override public T call() {
return value;
}
};
}
}
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