-- This file is part of a Liberty Eiffel library.
-- See the full copyright at the end.
--
class HASHED_DICTIONARY[V_, K_ -> HASHABLE]
   --
   -- Associative memory. Values of type `V_' are stored using Keys of type `K_'.
   --
   -- Efficient implementation of DICTIONARY using `hash_code' on keys.
   --

inherit
   ABSTRACT_HASHED_DICTIONARY[V_, K_]

create {ANY}
   make, with_capacity, manifest_creation, default_create

create {ABSTRACT_HASHED_DICTIONARY}
   special_common_dictionary

feature {}
   hash_code (k: K_): INTEGER
      do
         Result := k.hash_code
      end

   special_common_dictionary (fn: like free_nodes)
         -- Used to avoid having a recursive once function while initializing `common_free_nodes'.
      require
         fn /= Void
         -- common_free_nodes = Void
         -- {V_} ?:= free_nodes
         -- {K_} ?:= generating_type
      local
         new_capacity: INTEGER
      do
         new_capacity := Default_size
         buckets := buckets.calloc(new_capacity)
         capacity := new_capacity
         cache_user := -1
         count := 0
         free_nodes := fn
         debug
            create nodes_list.with_capacity(new_capacity)
         end
      ensure
         count = 0
      end

end -- class HASHED_DICTIONARY
--
-- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
--
-- Permission is hereby granted, free of charge, to any person obtaining a copy
-- of this software and associated documentation files (the "Software"), to deal
-- in the Software without restriction, including without limitation the rights
-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-- copies of the Software, and to permit persons to whom the Software is
-- furnished to do so, subject to the following conditions:
--
-- The above copyright notice and this permission notice shall be included in
-- all copies or substantial portions of the Software.
--
-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-- THE SOFTWARE.