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We import the general utilites jar now, to keep the namespaces clean

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nathan 2019-06-08 00:32:34 +02:00
parent 62af62e305
commit e8a895854b
1 changed files with 0 additions and 115 deletions
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src/dorkbox/util/NamedThreadFactory.java
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@ -1,115 +0,0 @@
/*
* Copyright 2010 dorkbox, llc
*
* Licensed 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 dorkbox.util;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
/**
* The default thread factory with names.
*/
public
class NamedThreadFactory implements ThreadFactory {
private final AtomicInteger poolId = new AtomicInteger();
private final ThreadGroup group;
private final String namePrefix;
private final int threadPriority;
private final boolean daemon;
/**
* Creates a DAEMON thread
*/
public
NamedThreadFactory(String poolNamePrefix) {
this(poolNamePrefix, Thread.currentThread().getThreadGroup(), Thread.MAX_PRIORITY, true);
}
public
NamedThreadFactory(String poolNamePrefix, boolean isDaemon) {
this(poolNamePrefix, Thread.currentThread().getThreadGroup(), Thread.MAX_PRIORITY, isDaemon);
}
/**
* Creates a DAEMON thread
*/
public
NamedThreadFactory(String poolNamePrefix, ThreadGroup group) {
this(poolNamePrefix, group, Thread.MAX_PRIORITY, true);
}
public
NamedThreadFactory(String poolNamePrefix, ThreadGroup group, boolean isDaemon) {
this(poolNamePrefix, group, Thread.MAX_PRIORITY, isDaemon);
}
/**
* Creates a DAEMON thread
*/
public
NamedThreadFactory(String poolNamePrefix, int threadPriority) {
this(poolNamePrefix, threadPriority, true);
}
public
NamedThreadFactory(String poolNamePrefix, int threadPriority, boolean isDaemon) {
this(poolNamePrefix, null, threadPriority, isDaemon);
}
/**
* @param poolNamePrefix what you want the subsequent threads to be named.
* @param group the group this thread will belong to. If NULL, it will belong to the current thread group.
* @param threadPriority 1-10, with 5 being normal and 10 being max
*/
public
NamedThreadFactory(String poolNamePrefix, ThreadGroup group, int threadPriority, boolean isDaemon) {
this.daemon = isDaemon;
this.namePrefix = poolNamePrefix;
if (group == null) {
this.group = Thread.currentThread().getThreadGroup();
}
else {
this.group = group;
}
if (threadPriority < Thread.MIN_PRIORITY) {
throw new IllegalArgumentException(String.format("Thread priority (%s) must be >= %s", threadPriority, Thread.MIN_PRIORITY));
}
if (threadPriority > Thread.MAX_PRIORITY) {
throw new IllegalArgumentException(String.format("Thread priority (%s) must be <= %s", threadPriority, Thread.MAX_PRIORITY));
}
this.threadPriority = threadPriority;
}
@Override
public
Thread newThread(Runnable r) {
// stack size is arbitrary based on JVM implementation. Default is 0
// 8k is the size of the android stack. Depending on the version of android, this can either change, or will always be 8k
// To be honest, 8k is pretty reasonable for an asynchronous/event based system (32bit) or 16k (64bit)
// Setting the size MAY or MAY NOT have any effect!!!
Thread t = new Thread(this.group, r, this.namePrefix + '-' + this.poolId.incrementAndGet());
t.setDaemon(this.daemon);
if (t.getPriority() != this.threadPriority) {
t.setPriority(this.threadPriority);
}
return t;
}
}