Examples of tokyocabinet.BDBCUR

  
  public List<byte[]> range(String key, int start, int end){
    if(start > end || end < 0 || start < 0)
      throw new RuntimeException("Invalid start and/or end context");
    
    BDBCUR cursor = this.goto_position(key, start);
    
    if(cursor == null)
      return null;
    
    int currentPos = 0;
    int distance   = end - start;
    List<byte[]> response = new ArrayList<byte[]>();
    
    while(currentPos <= distance){
      response.add(cursor.val());
      
      if(!cursor.next())
        break;
      
      currentPos++;
    }

    
    return response;
  }
  
  public int length(String key) {
    BDBCUR cursor = new BDBCUR(bdb);
    
    if(!cursor.jump(key))
      return 0;
    
    if(!Arrays.equals(cursor.key(),key.getBytes()))
      return 0;
    
    int length = 0;
    while(Arrays.equals(cursor.key(),key.getBytes())){
      length++;
      
      if(!cursor.next())
        return length;
    }
    
    
    return length;

Related Classes of tokyocabinet.BDBCUR

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