com.weibo.rill.flow.olympicene.traversal.helper.SameThreadExecutorService Maven / Gradle / Ivy
/*
* Copyright 2021-2023 Weibo, Inc.
*
* 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.weibo.rill.flow.olympicene.traversal.helper;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.AbstractExecutorService;
import java.util.concurrent.TimeUnit;
/**
* @author zilong6
*/
public class SameThreadExecutorService extends AbstractExecutorService {
public static final SameThreadExecutorService INSTANCE = new SameThreadExecutorService();
@Override
public void shutdown() {
}
@Override
public List shutdownNow() {
return Collections.emptyList();
}
@Override
public boolean isShutdown() {
return false;
}
@Override
public boolean isTerminated() {
return false;
}
@Override
public boolean awaitTermination(long timeout, TimeUnit unit) throws InterruptedException {
return false;
}
@Override
public void execute(Runnable command) {
command.run();
}
}