io.micronaut.scheduling.executor.ExecutorSelector Maven / Gradle / Ivy
/*
* Copyright 2017-2020 original 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 io.micronaut.scheduling.executor;
import io.micronaut.inject.MethodReference;
import java.util.Optional;
import java.util.concurrent.ExecutorService;
/**
* Interface that allows customizing the selection of the {@link ExecutorService} to run an operation on.
*
* @author Graeme Rocher
* @since 1.0
*/
public interface ExecutorSelector {
/**
* Select an {@link ExecutorService} for the given {@link MethodReference}.
*
* @param method The {@link MethodReference}
* @param threadSelection The thread selection mode
* @return An optional {@link ExecutorService}. If an {@link ExecutorService} cannot be established
* {@link Optional#empty()} is returned
*/
Optional select(MethodReference method, ThreadSelection threadSelection);
}