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.streams.state.internals;
  
  import org.apache.kafka.common.utils.Bytes;
  import org.apache.kafka.common.utils.Utils;
  import org.apache.kafka.streams.query.Position;
  import org.apache.kafka.streams.state.internals.metrics.RocksDBMetricsRecorder;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.Map;
  import java.util.Objects;
  
  class TimestampedSegment extends RocksDBTimestampedStore implements Comparable<TimestampedSegment>, Segment {
      public final long id;
  
      TimestampedSegment(final String segmentName,
                         final String windowName,
                         final long id,
                         final Position position,
                         final RocksDBMetricsRecorder metricsRecorder) {
          super(segmentName, windowName, metricsRecorder);
          this.id = id;
          this.position = position;
      }
  
      @Override
      public void destroy() throws IOException {
          Utils.delete(dbDir);
      }
  
      @Override
      public void deleteRange(final Bytes keyFrom, final Bytes keyTo) {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public int compareTo(final TimestampedSegment segment) {
          return Long.compare(id, segment.id);
      }
  
      @Override
      public void openDB(final Map<String, Object> configs, final File stateDir) {
          super.openDB(configs, stateDir);
          // skip the registering step
      }
  
      @Override
      public String toString() {
          return "TimestampedSegment(id=" + id + ", name=" + name() + ")";
      }
  
      @Override
      public boolean equals(final Object obj) {
          if (obj == null || getClass() != obj.getClass()) {
              return false;
          }
          final TimestampedSegment segment = (TimestampedSegment) obj;
          return id == segment.id;
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(id);
      }
  }
  