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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements. See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache license, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License. You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the license for the specific language governing permissions and
15   * limitations under the license.
16   */
17  package org.apache.logging.log4j.core.util;
18  
19  /**
20   * Implementation of the {@code Clock} interface that returns the system time in millisecond granularity.
21   * @since 2.11
22   */
23  public final class SystemMillisClock implements Clock {
24  
25      /**
26       * Returns the system time.
27       * @return the result of calling {@code System.currentTimeMillis()}
28       */
29      @Override
30      public long currentTimeMillis() {
31          return System.currentTimeMillis();
32      }
33  
34  }