content: /*
   * Copyright 2018 Confluent Inc.
   *
   * Licensed under the Confluent Community License (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.confluent.io/confluent-community-license
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OF ANY KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations under the License.
   */
  
  package io.confluent.connect.jdbc.source;
  
  import org.apache.kafka.common.utils.Time;
  
  import java.util.concurrent.TimeUnit;
  import java.util.function.Supplier;
  
  /**
   * A clock that you can manually advance by calling sleep
   */
  public class MockTime implements Time {
  
      private long nanos = 0;
      private long autoTickMs = 0;
  
      public MockTime() {
          this.nanos = System.nanoTime();
      }
  
      public MockTime(long autoTickMs) {
          this.nanos = System.nanoTime();
          this.autoTickMs = autoTickMs;
      }
  
      @Override
      public long milliseconds() {
          this.sleep(autoTickMs);
          return TimeUnit.MILLISECONDS.convert(this.nanos, TimeUnit.NANOSECONDS);
      }
  
      @Override
      public long hiResClockMs() {
          return TimeUnit.NANOSECONDS.toMillis(nanoseconds());
      }
  
      @Override
      public long nanoseconds() {
          this.sleep(autoTickMs);
          return nanos;
      }
  
      @Override
      public void sleep(long ms) {
          this.nanos += TimeUnit.NANOSECONDS.convert(ms, TimeUnit.MILLISECONDS);
      }
  
      @Override
      public void waitObject(Object obj, Supplier<Boolean> condition, long timeoutMs) {
          throw new UnsupportedOperationException();
      }
  }
  