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 */
017package org.apache.logging.log4j.core.util;
018
019/**
020 * Implementation of the {@code Clock} interface that returns the system time.
021 */
022public final class SystemClock implements Clock {
023
024    /**
025     * Returns the system time.
026     * @return the result of calling {@code System.currentTimeMillis()}
027     */
028    @Override
029    public long currentTimeMillis() {
030        return System.currentTimeMillis();
031    }
032
033}