beiwei30 commented on a change in pull request #1568: Extension: Enhanced Thread Pool URL: https://github.com/apache/incubator-dubbo/pull/1568#discussion_r179999679
########## File path: dubbo-common/src/main/java/com/alibaba/dubbo/common/threadpool/support/enhanced/EnhancedThreadPool.java ########## @@ -0,0 +1,50 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You 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.alibaba.dubbo.common.threadpool.support.enhanced; + +import com.alibaba.dubbo.common.Constants; +import com.alibaba.dubbo.common.URL; +import com.alibaba.dubbo.common.threadpool.ThreadPool; +import com.alibaba.dubbo.common.threadpool.support.AbortPolicyWithReport; +import com.alibaba.dubbo.common.utils.NamedThreadFactory; + +import java.util.concurrent.Executor; +import java.util.concurrent.TimeUnit; + +/** + * enhanced thread pool. + * When the core threads are all in busy , create new thread instead of putting task into blocking queue . + */ +public class EnhancedThreadPool implements ThreadPool { + + @Override + public Executor getExecutor(URL url) { + String name = url.getParameter(Constants.THREAD_NAME_KEY, Constants.DEFAULT_THREAD_NAME); + int cores = url.getParameter(Constants.CORE_THREADS_KEY, Constants.DEFAULT_CORE_THREADS); + int threads = url.getParameter(Constants.THREADS_KEY, Integer.MAX_VALUE); + int queues = url.getParameter(Constants.QUEUES_KEY, Constants.DEFAULT_QUEUES); + int alive = url.getParameter(Constants.ALIVE_KEY, Constants.DEFAULT_ALIVE); + + //init queue and enhanced executor + EnhancedTaskQueue<Runnable> enhancedTaskQueue = new EnhancedTaskQueue<Runnable>(queues <= 0 ? 1 : queues); + EnhancedThreadPoolExecutor executor = new EnhancedThreadPoolExecutor(cores, threads, alive, TimeUnit.MILLISECONDS, enhancedTaskQueue, Review comment: keep line margin 120 chars. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
