dubbo NamedThreadFactory 源码
dubbo NamedThreadFactory 代码
文件路径：/dubbo-common/src/main/java/org/apache/dubbo/common/utils/NamedThreadFactory.java
/*
* 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.dubbo.common.utils;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
/**
* InternalThreadFactory.
*/
public class NamedThreadFactory implements ThreadFactory {
protected static final AtomicInteger POOL_SEQ = new AtomicInteger(1);
protected final AtomicInteger mThreadNum = new AtomicInteger(1);
protected final String mPrefix;
protected final boolean mDaemon;
protected final ThreadGroup mGroup;
public NamedThreadFactory() {
this("pool-" + POOL_SEQ.getAndIncrement(), false);
}
public NamedThreadFactory(String prefix) {
this(prefix, false);
}
public NamedThreadFactory(String prefix, boolean daemon) {
mPrefix = prefix + "-thread-";
mDaemon = daemon;
SecurityManager s = System.getSecurityManager();
mGroup = (s == null) ? Thread.currentThread().getThreadGroup() : s.getThreadGroup();
}
@Override
public Thread newThread(Runnable runnable) {
String name = mPrefix + mThreadNum.getAndIncrement();
Thread ret = new Thread(mGroup, runnable, name, 0);
ret.setDaemon(mDaemon);
return ret;
}
public ThreadGroup getThreadGroup() {
return mGroup;
}
}
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