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int Villa::nnum (  )  throws VillaException [inline]

Get the number of the non-leaf nodes of B+ tree.

the number of the non-leaf nodes.
VillaException if an error occurs.

Definition at line 560 of file Villa.java.

References index.

    if(index < 0) throw new VillaException();
      int rv = vlnnum(index);
      if(rv == -1) throw new VillaException(vlecode());
      return rv;

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