Examples of tokyocabinet.BDBCUR.key()

tokyocabinet.BDBCUR.key()
Get the key of the record where the cursor is. @return If successful, it is the key, else, it is `null'. 'null' is returned when thecursor is at invalid position.

      }    
    }
    
    //back one should be the input key, if it's not then the key 
    //does not exist yet, so we add it
    if(!Arrays.equals(cursor.key(),key.getBytes())){
      if(!cursor.prev()){
        this.put(key, value);
        return;
      }
    }

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      }
    }
    
    // the key under this cursor should match, if not we add a new key
    //based on input
    if(!Arrays.equals(cursor.key(),key.getBytes())){
      this.put(key, value);
      return;
    }
    
    //we are at the right spot, now append the value

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    //move back one, to tail of the input key
    if(!cursor.prev())
      throw new RuntimeException("Key should exist but failed to jump to it's location");
    
    if(!Arrays.equals(cursor.key(),key.getBytes()))
      throw new TException("key mismatch "+key+" vs "+cursor.key2());
  
    byte[] value = cursor.val();
    
    //delete

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      this.put(key, value);
      return;
    }
    
    //not matching key so add new
    if(!Arrays.equals(cursor.key(),key.getBytes())){
      this.put(key, value);
      return;
    }
    
    if(!cursor.put(value, BDBCUR.CPBEFORE))

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    BDBCUR cursor = new BDBCUR(bdb);
    
    if(!cursor.jump(key))
      return new byte[]{};
    
    if(!Arrays.equals(cursor.key(),key.getBytes()))
      return new byte[]{};
  
    
    //save value
    byte[] value = cursor.val();

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    while(currentPos < position){
      cursor.next();
      
      if(currentPos % checkMod == 0){
        
        if(!Arrays.equals(cursor.key(), key.getBytes()))
          return null;
        
      }
      
      currentPos++;

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      currentPos++;
    }
    
    //at position
    if(!Arrays.equals(cursor.key(), key.getBytes()))
      return null;
    
    
    return cursor;
  }

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    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++;

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    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;
    }

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