Field Detail

• groupValue

  public final T groupValue

• doc

  public int doc

Constructor Detail

• GroupHead

  protected GroupHead(T groupValue,
                      int doc)

Method Detail

• compare

  protected abstract int compare(int compIDX,
                                 int doc)
                          throws IOException

  Compares the specified document for a specified comparator against the current most relevant document.

  Parameters:

  compIDX - The comparator index of the specified comparator.

  doc - The specified document.

  Returns:

  -1 if the specified document wasn't competitive against the current most relevant document, 1 if the specified document was competitive against the current most relevant document. Otherwise 0.

  Throws:

  IOException - If I/O related errors occur

• updateDocHead

  protected abstract void updateDocHead(int doc)
                                 throws IOException

  Updates the current most relevant document with the specified document.

  Parameters:

  doc - The specified document

  Throws:

  IOException - If I/O related errors occur