/* * 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.flink.runtime.highavailability; import javax.annotation.Nonnull; import java.util.concurrent.ThreadFactory; import java.util.concurrent.atomic.AtomicInteger; public class ServicesThreadFactory implements ThreadFactory { private AtomicInteger enumerator = new AtomicInteger(); @Override public Thread newThread(@Nonnull Runnable r) { Thread thread = new Thread(r, "Flink HA Services Thread #" + enumerator.incrementAndGet()); // HA threads should have a very high priority, but not // keep the JVM running by themselves thread.setPriority(Thread.MAX_PRIORITY); thread.setDaemon(true); return thread; } }