1 /* 2 * Copyright 2012 The Netty Project 3 * 4 * The Netty Project licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. You may obtain a copy of the License at: 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package io.netty5.util.concurrent; 17 18 import java.util.concurrent.ThreadFactory; 19 20 /** 21 * Default implementation of {@link MultithreadEventExecutorGroup} which will use {@link SingleThreadEventExecutor} 22 * instances to handle the tasks. 23 */ 24 public class DefaultEventExecutorGroup extends MultithreadEventExecutorGroup { 25 /** 26 * @see #DefaultEventExecutorGroup(int, ThreadFactory) 27 */ 28 public DefaultEventExecutorGroup(int nThreads) { 29 this(nThreads, null); 30 } 31 32 /** 33 * Create a new instance. 34 * 35 * @param nThreads the number of threads that will be used by this instance. 36 * @param threadFactory the ThreadFactory to use, or {@code null} if the default should be used. 37 */ 38 public DefaultEventExecutorGroup(int nThreads, ThreadFactory threadFactory) { 39 this(nThreads, threadFactory, SingleThreadEventExecutor.DEFAULT_MAX_PENDING_EXECUTOR_TASKS, 40 RejectedExecutionHandlers.reject()); 41 } 42 43 /** 44 * Create a new instance. 45 * 46 * @param nThreads the number of threads that will be used by this instance. 47 * @param threadFactory the ThreadFactory to use, or {@code null} if the default should be used. 48 * @param maxPendingTasks the maximum number of pending tasks before new tasks will be rejected. 49 * @param rejectedHandler the {@link RejectedExecutionHandler} to use. 50 */ 51 public DefaultEventExecutorGroup(int nThreads, ThreadFactory threadFactory, int maxPendingTasks, 52 RejectedExecutionHandler rejectedHandler) { 53 super(nThreads, threadFactory, maxPendingTasks, rejectedHandler); 54 } 55 }