| /* |
| * 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.felix.ipojo.extender.internal.queue; |
| |
| import java.util.concurrent.ThreadFactory; |
| |
| /** |
| * A thread factory that groups produced threads inside a given {@link java.lang.ThreadGroup}. |
| */ |
| public class GroupThreadFactory implements ThreadFactory { |
| |
| /** |
| * Group for produced Threads. |
| */ |
| private final ThreadGroup m_threadGroup; |
| |
| public GroupThreadFactory() { |
| this(defaultThreadGroup()); |
| } |
| |
| /** |
| * Returns the default thread group just like {@link java.util.concurrent.Executors#defaultThreadFactory()}. |
| */ |
| private static ThreadGroup defaultThreadGroup() { |
| SecurityManager s = System.getSecurityManager(); |
| if (s != null) { |
| return s.getThreadGroup(); |
| } else { |
| return Thread.currentThread().getThreadGroup(); |
| } |
| } |
| |
| /** |
| * @param threadGroup group to be used for produced threads. |
| */ |
| public GroupThreadFactory(final ThreadGroup threadGroup) { |
| m_threadGroup = threadGroup; |
| } |
| |
| /** |
| * Creates a new thread. |
| * Prepend the prefix to the thread name |
| * |
| * @param r the runnable |
| * @return the thread object |
| */ |
| public Thread newThread(Runnable r) { |
| return new Thread(m_threadGroup, r); |
| } |
| } |