org.eclipse.deposit.util.function.ExceptionThrowingCommand Maven / Gradle / Ivy
/*
* Copyright 2018 Johns Hopkins University
*
* 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.eclipse.deposit.util.function;
/**
* Performs an operation over some internal state and returns the result. Implementations may throw checked exceptions.
*
* @param the type of the output of the function
*/
@FunctionalInterface
public interface ExceptionThrowingCommand {
/**
* Implementations perform some operation over internal state and return a result.
*
* @return the result of the operation
* @throws Exception if there is an error performing the command
*/
T perform() throws Exception;
}