content: /*
   * 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.kafka.server.util;
  
  /**
   * A class used for unit testing things which depend on the Time interface.
   * There a couple of difference between this class and `org.apache.kafka.common.utils.MockTime`:
   *
   * 1. This has an associated scheduler instance for managing background tasks in a deterministic way.
   * 2. This doesn't support the `auto-tick` functionality as it interacts badly with the current implementation of `MockScheduler`.
   */
  public final class MockTime extends org.apache.kafka.common.utils.MockTime {
      public final MockScheduler scheduler;
  
      public MockTime() {
          this(System.currentTimeMillis(), System.nanoTime());
      }
  
      public MockTime(long currentTimeMs, long currentHiResTimeNs) {
          super(0L, currentTimeMs, currentHiResTimeNs);
          scheduler = new MockScheduler(this);
      }
  
      @Override
      public void sleep(long ms) {
          super.sleep(ms);
          scheduler.tick();
      }
  }
  