001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    
018    package org.apache.geronimo.transaction.manager;
019    
020    /**
021     * TODO improve shutdown
022     *
023     * @version $Revision: 476049 $ $Date: 2006-11-16 23:35:17 -0500 (Thu, 16 Nov 2006) $
024     */
025    public class TransactionTimer {
026        private static volatile long currentTime;
027    
028        private static class CurrentTime extends Thread {
029            protected CurrentTime() {
030                currentTime = System.currentTimeMillis();
031                setContextClassLoader(null);
032            }
033    
034            public void run() {
035                for (; ;) {
036                    currentTime = System.currentTimeMillis();
037                    try {
038                        Thread.sleep(1000);
039                    } catch (InterruptedException e) {
040                        // Ignore exception
041                    }
042                }
043            }
044        }
045    
046        static {
047            CurrentTime tm = new CurrentTime();
048            tm.setDaemon(true);
049            tm.start();
050        }
051    
052        public static long getCurrentTime() {
053            return currentTime;
054        }
055    
056    }