001    /**
002     * Copyright 2005-2013 The Kuali Foundation
003     *
004     * Licensed under the Educational Community License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.opensource.org/licenses/ecl2.php
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    package org.kuali.rice.core.util;
017    
018    /**
019     * Thread Local Timer for Tread Safe Request Logging {@see RequestLoggingFilter}
020     * @author Kuali Rice Team (rice.collab@kuali.org)
021     */
022    public class ThreadLocalTimer {
023        /**
024         * startTimeThreadLocal ThreadLocal<Long>
025         */
026        public static ThreadLocal<Long> startTimeThreadLocal = new ThreadLocal<Long>();
027    
028        /**
029         * Returns startTimeThreadLocal as long since epoch
030         * @return long since epoch
031         */
032        public static long getStartTime() {
033            return (Long)startTimeThreadLocal.get();
034        }
035    
036        /**
037         * Sets startTimeThreadLocal to the given long since epoch.
038         * @param dateTime long since epoch
039         */
040        public static void setStartTime(long dateTime) {
041            startTimeThreadLocal.set(Long.valueOf(dateTime));
042        }
043    
044        /**
045         * Cleanup, startTimeThreadLocal.remove()
046         */
047        public static void unset() {
048            startTimeThreadLocal.remove();
049        }
050    }