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 io.jafka.utils;
  
  /**
   * A generic range value with a start and end
   * 
   * @author adyliu (imxylz@gmail.com)
   * @since 1.0
   */
  public interface Range {
  
      /** The first index in the range
       * @return range of start
       */
      long start();
  
      /** The total number of indexes in the range
       * @return size of range
       */
      long size();
  
      /** Return true iff the range is empty
       * @return check the range is emtpy
       */
      boolean isEmpty();
  
      /** if value is in range
       * @param value value for check
       * @return check the value in range
       */
      boolean contains(long value);
  
      String toString();
  
  }
  