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Easy Redis Java client and Real-Time Data Platform. Valkey compatible. Sync/Async/RxJava3/Reactive API. Client side caching. Over 50 Redis based Java objects and services: JCache API, Apache Tomcat, Hibernate, Spring, Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Scheduler, RPC
/*
* Copyright 2013 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:
*
* https://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 io.netty.util.internal.ObjectUtil;
import io.netty.util.internal.StringUtil;
import java.util.Locale;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
/**
* A {@link ThreadFactory} implementation with a simple naming rule.
*/
public class DefaultThreadFactory implements ThreadFactory {
private static final AtomicInteger poolId = new AtomicInteger();
private final AtomicInteger nextId = new AtomicInteger();
private final String prefix;
private final boolean daemon;
private final int priority;
protected final ThreadGroup threadGroup;
public DefaultThreadFactory(Class> poolType) {
this(poolType, false, Thread.NORM_PRIORITY);
}
public DefaultThreadFactory(String poolName) {
this(poolName, false, Thread.NORM_PRIORITY);
}
public DefaultThreadFactory(Class> poolType, boolean daemon) {
this(poolType, daemon, Thread.NORM_PRIORITY);
}
public DefaultThreadFactory(String poolName, boolean daemon) {
this(poolName, daemon, Thread.NORM_PRIORITY);
}
public DefaultThreadFactory(Class> poolType, int priority) {
this(poolType, false, priority);
}
public DefaultThreadFactory(String poolName, int priority) {
this(poolName, false, priority);
}
public DefaultThreadFactory(Class> poolType, boolean daemon, int priority) {
this(toPoolName(poolType), daemon, priority);
}
public static String toPoolName(Class> poolType) {
ObjectUtil.checkNotNull(poolType, "poolType");
String poolName = StringUtil.simpleClassName(poolType);
switch (poolName.length()) {
case 0:
return "unknown";
case 1:
return poolName.toLowerCase(Locale.US);
default:
if (Character.isUpperCase(poolName.charAt(0)) && Character.isLowerCase(poolName.charAt(1))) {
return Character.toLowerCase(poolName.charAt(0)) + poolName.substring(1);
} else {
return poolName;
}
}
}
public DefaultThreadFactory(String poolName, boolean daemon, int priority, ThreadGroup threadGroup) {
ObjectUtil.checkNotNull(poolName, "poolName");
if (priority < Thread.MIN_PRIORITY || priority > Thread.MAX_PRIORITY) {
throw new IllegalArgumentException(
"priority: " + priority + " (expected: Thread.MIN_PRIORITY <= priority <= Thread.MAX_PRIORITY)");
}
prefix = poolName + '-' + poolId.incrementAndGet() + '-';
this.daemon = daemon;
this.priority = priority;
this.threadGroup = threadGroup;
}
public DefaultThreadFactory(String poolName, boolean daemon, int priority) {
this(poolName, daemon, priority, null);
}
@Override
public Thread newThread(Runnable r) {
Thread t = newThread(FastThreadLocalRunnable.wrap(r), prefix + nextId.incrementAndGet());
try {
if (t.isDaemon() != daemon) {
t.setDaemon(daemon);
}
if (t.getPriority() != priority) {
t.setPriority(priority);
}
} catch (Exception ignored) {
// Doesn't matter even if failed to set.
}
return t;
}
protected Thread newThread(Runnable r, String name) {
return new FastThreadLocalThread(threadGroup, r, name);
}
}
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