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.bookkeeper.stream.protocol;
  
  import java.io.Serializable;
  import java.util.Comparator;
  import lombok.Data;
  import lombok.EqualsAndHashCode;
  
  /**
   * A range (at a given revision) of a stream.
   */
  @Data(staticConstructor = "of")
  @EqualsAndHashCode
  public class RangeId implements Comparable<RangeId>, Serializable {
  
      public static final Comparator<RangeId> COMPARATOR = Comparator.naturalOrder();
  
      private static final long serialVersionUID = 1704491294262309389L;
  
      private final long streamId;
      private final long rangeId;
  
      @Override
      public String toString() {
          StringBuilder sb = new StringBuilder();
          sb.append("range(")
              .append(streamId)
              .append(", ")
              .append(rangeId)
              .append(')');
          return sb.toString();
      }
  
      @Override
      public int compareTo(RangeId other) {
          int result = Long.compare(streamId, other.streamId);
          if (result == 0) {
              result = Long.compare(rangeId, other.rangeId);
          }
          return result;
      }
  }
  