org.apache.hudi.common.util.ThreadUtils Maven / Gradle / Ivy
/*
* 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.hudi.common.util;
import java.util.Arrays;
import java.util.List;
/**
* Utils for Java threading.
*/
public class ThreadUtils {
/**
* Fetches all active threads currently running in the JVM
*/
public static List collectActiveThreads() {
ThreadGroup threadGroup = Thread.currentThread().getThreadGroup();
while (threadGroup.getParent() != null) {
threadGroup = threadGroup.getParent();
}
Thread[] activeThreads = new Thread[threadGroup.activeCount()];
threadGroup.enumerate(activeThreads);
return Arrays.asList(activeThreads);
}
}