google-nomulus/java/google/registry/util/VoidCallable.java
mcilwain e2db3f914e Clean up some code quality issues
This removes some qualifiers that aren't necessary (e.g. public/abstract on interfaces, private on enum constructors, final on private methods, static on nested interfaces/enums), uses Java 8 lambdas and features where that's an improvement

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=177182945
2017-12-01 22:14:06 -05:00

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Java

// Copyright 2017 The Nomulus Authors. 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.
package google.registry.util;
import java.util.concurrent.Callable;
/**
* A functional interface for a version of {@link Callable} that returns no value.
*/
@FunctionalInterface
public interface VoidCallable {
void call() throws Exception;
/** Returns the VoidCallable as a {@link Callable} that returns null. */
default Callable<Void> asCallable() {
return () -> {
call();
return null;
};
}
}