| /* |
| * 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 org.apache.bookkeeper.clients.utils; |
| |
| import com.google.common.util.concurrent.ThreadFactoryBuilder; |
| import io.netty.util.HashedWheelTimer; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| import org.apache.bookkeeper.common.util.OrderedScheduler; |
| import org.apache.bookkeeper.common.util.SharedResourceManager.Resource; |
| |
| /** |
| * Define a set of resources used for storage. |
| */ |
| public class ClientResources { |
| |
| private static final ClientResources SHARED = create(); |
| |
| public static ClientResources shared() { |
| return SHARED; |
| } |
| |
| public static ClientResources create() { |
| return new ClientResources(); |
| } |
| |
| private final Resource<OrderedScheduler> scheduler; |
| private final Resource<HashedWheelTimer> timer; |
| private final Resource<ExecutorService> executor; |
| |
| private ClientResources() { |
| this.scheduler = |
| new Resource<OrderedScheduler>() { |
| |
| private static final String name = "client-scheduler"; |
| |
| @Override |
| public OrderedScheduler create() { |
| return OrderedScheduler.newSchedulerBuilder() |
| .numThreads(Runtime.getRuntime().availableProcessors() * 2) |
| .name(name) |
| .build(); |
| } |
| |
| @Override |
| public void close(OrderedScheduler instance) { |
| instance.shutdown(); |
| } |
| |
| @Override |
| public String toString() { |
| return name; |
| } |
| }; |
| |
| this.timer = |
| new Resource<HashedWheelTimer>() { |
| |
| private static final String name = "client-timer"; |
| |
| @Override |
| public HashedWheelTimer create() { |
| HashedWheelTimer timer = new HashedWheelTimer( |
| new ThreadFactoryBuilder() |
| .setNameFormat(name + "-%d") |
| .build(), |
| 200, |
| TimeUnit.MILLISECONDS, |
| 512, |
| true); |
| timer.start(); |
| return timer; |
| } |
| |
| @Override |
| public void close(HashedWheelTimer instance) { |
| instance.stop(); |
| } |
| |
| @Override |
| public String toString() { |
| return name; |
| } |
| }; |
| |
| this.executor = new Resource<ExecutorService>() { |
| |
| private static final String name = "stream-client-executor"; |
| |
| @Override |
| public ExecutorService create() { |
| return Executors.newFixedThreadPool(Runtime.getRuntime().availableProcessors() * 2); |
| } |
| |
| @Override |
| public void close(ExecutorService instance) { |
| instance.shutdown(); |
| } |
| |
| @Override |
| public String toString() { |
| return name; |
| } |
| }; |
| } |
| |
| public Resource<OrderedScheduler> scheduler() { |
| return scheduler; |
| } |
| |
| public Resource<HashedWheelTimer> timer() { |
| return timer; |
| } |
| |
| public Resource<ExecutorService> executor() { |
| return executor; |
| } |
| |
| } |