pgm08_16.txt

来自「Data Structures And Algorithms With Obje」· 文本 代码 · 共 28 行

#
# This file contains the Python code from Program 8.16 of
# "Data Structures and Algorithms
# with Object-Oriented Design Patterns in Python"
# by Bruno R. Preiss.
#
# Copyright (c) 2003 by Bruno R. Preiss, P.Eng.  All rights reserved.
#
# http://www.brpreiss.com/books/opus7/programs/pgm08_16.txt
#
class OpenScatterTable(HashTable):

    def __init__(self, length):
        super(OpenScatterTable, self).__init__()
        self._array = Array(length)
        for i in xrange(len(self._array)):
            self._array[i] = self.Entry(self.EMPTY, None)

    def __len__(self):
        return len(self._array)

    def purge(self):
        for i in xrange(len(self._array)):
            self._array[i] = self.Entry(self.EMPTY, None)
        self._count = 0

    # ...