io.netty.util.concurrent.DefaultEventExecutorGroup Maven / Gradle / Ivy
/*
* Copyright 2012 The Netty Project
*
* The Netty Project 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 io.netty.util.concurrent;
import java.util.concurrent.Executor;
import java.util.concurrent.ThreadFactory;
/**
* Default implementation of {@link MultithreadEventExecutorGroup} which will use {@link DefaultEventExecutor} instances
* to handle the tasks.
*/
public class DefaultEventExecutorGroup extends MultithreadEventExecutorGroup {
/**
* @see #DefaultEventExecutorGroup(int, ThreadFactory)
*/
public DefaultEventExecutorGroup(int nThreads) {
this(nThreads, null);
}
/**
* Create a new instance.
*
* @param nThreads the number of threads that will be used by this instance.
* @param threadFactory the ThreadFactory to use, or {@code null} if the default should be used.
*/
public DefaultEventExecutorGroup(int nThreads, ThreadFactory threadFactory) {
this(nThreads, threadFactory, SingleThreadEventExecutor.DEFAULT_MAX_PENDING_EXECUTOR_TASKS,
RejectedExecutionHandlers.reject());
}
/**
* Create a new instance.
*
* @param nThreads the number of threads that will be used by this instance.
* @param threadFactory the ThreadFactory to use, or {@code null} if the default should be used.
* @param maxPendingTasks the maximum number of pending tasks before new tasks will be rejected.
* @param rejectedHandler the {@link RejectedExecutionHandler} to use.
*/
public DefaultEventExecutorGroup(int nThreads, ThreadFactory threadFactory, int maxPendingTasks,
RejectedExecutionHandler rejectedHandler) {
super(nThreads, threadFactory, maxPendingTasks, rejectedHandler);
}
@Override
protected EventExecutor newChild(Executor executor, Object... args) throws Exception {
return new DefaultEventExecutor(this, executor, (Integer) args[0], (RejectedExecutionHandler) args[1]);
}
}