nextflow.util.CustomThreadFactory.groovy Maven / Gradle / Ivy
/*
* Copyright 2013-2024, Seqera Labs
*
* 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 nextflow.util
import java.util.concurrent.ThreadFactory
import java.util.concurrent.atomic.AtomicInteger
import groovy.transform.CompileStatic
import java.lang.Thread.UncaughtExceptionHandler
import groovy.util.logging.Slf4j
/**
* A customised thread factory
*
* @author Paolo Di Tommaso
*/
@Slf4j
@CompileStatic
class CustomThreadFactory implements ThreadFactory {
private ThreadGroup group
private AtomicInteger threadNumber = new AtomicInteger(1)
private UncaughtExceptionHandler exceptionHandler
private prefix
CustomThreadFactory(String prefix, UncaughtExceptionHandler exceptionHandler=null) {
this.prefix = prefix ?: ThrottlingExecutor.simpleName
this.group = System.getSecurityManager()?.getThreadGroup() ?: Thread.currentThread().getThreadGroup()
this.exceptionHandler = exceptionHandler
}
Thread newThread(Runnable r) {
final name = "${prefix}-${threadNumber.getAndIncrement()}"
log.trace "Creating thread: $name"
def thread = new Thread(group, r, name, 0)
if (thread.isDaemon())
thread.setDaemon(false);
if (thread.getPriority() != Thread.NORM_PRIORITY)
thread.setPriority(Thread.NORM_PRIORITY)
if( exceptionHandler )
thread.setUncaughtExceptionHandler(exceptionHandler)
return thread
}
}