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Provides common utility functions
/*
* Copyright (c) CQSE GmbH
*
* 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.conqat.lib.commons.function;
import java.util.concurrent.Callable;
/** Functional interface for {@link Runnable}s which may throw exceptions. */
@FunctionalInterface
public interface RunnableWithException {
/** An empty runnable. */
static RunnableWithException empty() {
return () -> {
// does nothing
};
}
/** Run method performing actions that may throw an exception. */
void run() throws E;
/**
* @return provided {@code runnable} as {@link Callable}
*/
static Callable asCallable(RunnableWithException runnable) {
return () -> {
runnable.run();
return null;
};
}
}