/**
* 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.curator.utils;
import com.google.common.base.
Throwables;
import com.google.common.util.concurrent.
ThreadFactoryBuilder;
import org.slf4j.
Logger;
import org.slf4j.
LoggerFactory;
import java.util.concurrent.
ExecutorService;
import java.util.concurrent.
Executors;
import java.util.concurrent.
ScheduledExecutorService;
import java.util.concurrent.
ThreadFactory;
public class
ThreadUtils
{
private static final
Logger log =
LoggerFactory.
getLogger(
ThreadUtils.class);
public static boolean
checkInterrupted(
Throwable e)
{
if (
e instanceof
InterruptedException )
{
Thread.
currentThread().
interrupt();
return true;
}
return false;
}
public static
ExecutorService newSingleThreadExecutor(
String processName)
{
return
Executors.
newSingleThreadExecutor(
newThreadFactory(
processName));
}
public static
ExecutorService newFixedThreadPool(int
qty,
String processName)
{
return
Executors.
newFixedThreadPool(
qty,
newThreadFactory(
processName));
}
public static
ScheduledExecutorService newSingleThreadScheduledExecutor(
String processName)
{
return
Executors.
newSingleThreadScheduledExecutor(
newThreadFactory(
processName));
}
public static
ScheduledExecutorService newFixedThreadScheduledPool(int
qty,
String processName)
{
return
Executors.
newScheduledThreadPool(
qty,
newThreadFactory(
processName));
}
public static
ThreadFactory newThreadFactory(
String processName)
{
return
newGenericThreadFactory("Curator-" +
processName);
}
public static
ThreadFactory newGenericThreadFactory(
String processName)
{
Thread.
UncaughtExceptionHandler uncaughtExceptionHandler = new
Thread.
UncaughtExceptionHandler()
{
@
Override
public void
uncaughtException(
Thread t,
Throwable e)
{
log.
error("Unexpected exception in thread: " +
t,
e);
Throwables.
propagate(
e);
}
};
return new
ThreadFactoryBuilder()
.
setNameFormat(
processName + "-%d")
.
setDaemon(true)
.
setUncaughtExceptionHandler(
uncaughtExceptionHandler)
.
build();
}
public static
String getProcessName(
Class<?>
clazz)
{
if (
clazz.
isAnonymousClass() )
{
return
getProcessName(
clazz.
getEnclosingClass());
}
return
clazz.
getSimpleName();
}
}