/src/lib/storage/internal/hashed_bijective_dictionary_node.e

  1-- This file is part of a Liberty Eiffel library.
  2-- See the full copyright at the end.
  3--
  4class HASHED_BIJECTIVE_DICTIONARY_NODE[V_, K_]
  5   --
  6   -- Auxiliary class to implement HASHED_BIJECTIVE_DICTIONARY.
  7   --
  8
  9inherit
 10   ANY_HASHED_BIJECTIVE_DICTIONARY_NODE
 11
 12create {HASHED_BIJECTIVE_DICTIONARY}
 13   make
 14
 15feature {HASHED_BIJECTIVE_DICTIONARY}
 16   val: V_
 17
 18   key: K_
 19
 20   next_key: like Current
 21         -- The forward link to the next `key' in case of hash-code clash.
 22
 23   next_val: like Current
 24         -- The forward link to the next `val' in case of hash-code clash.
 25
 26   make (v: like val; nv: like next_val; k: like key; nk: like next_key)
 27      require
 28         v /= Void
 29         k /= Void
 30      do
 31         val := v
 32         next_val := nv
 33         key := k
 34         next_key := nk
 35      ensure
 36         val = v
 37         next_val = nv
 38         key = k
 39         next_key = nk
 40      end
 41
 42   set_val (v: like val)
 43      do
 44         val := v
 45      ensure
 46         val = v
 47      end
 48
 49   set_next_val (nv: like next_val)
 50      do
 51         next_val := nv
 52      ensure
 53         next_val = nv
 54      end
 55
 56   set_key (k: like key)
 57      do
 58         key := k
 59      ensure
 60         key = k
 61      end
 62
 63   set_next_key (nk: like next_key)
 64      do
 65         next_key := nk
 66      ensure
 67         next_key = nk
 68      end
 69
 70   set_val_and_key (v: like val; k: like key)
 71      do
 72         val := v
 73         key := k
 74      ensure
 75         val = v
 76         key = k
 77      end
 78
 79invariant
 80   key /= Void
 81   val /= Void
 82
 83end -- class HASHED_BIJECTIVE_DICTIONARY_NODE
 84--
 85-- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
 86--
 87-- Permission is hereby granted, free of charge, to any person obtaining a copy
 88-- of this software and associated documentation files (the "Software"), to deal
 89-- in the Software without restriction, including without limitation the rights
 90-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 91-- copies of the Software, and to permit persons to whom the Software is
 92-- furnished to do so, subject to the following conditions:
 93--
 94-- The above copyright notice and this permission notice shall be included in
 95-- all copies or substantial portions of the Software.
 96--
 97-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 98-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 99-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
100-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
101-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
102-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
103-- THE SOFTWARE.