indexing
	description: "Server for feature tables indexed by class id."
	legal: "See notice at end of class."
	status: "See notice at end of class."
	date: "$Date$"
	revision: "$Revision$"

class
	FEAT_TBL_SERVER 

inherit
	COMPILER_SERVER [FEATURE_TABLE]
		redefine
			has, item
		end

create
	make
	
feature -- Access

	cache: FEAT_TBL_CACHE is
			-- Cache for routine tables
		once
			create Result.make
		end
		
	has (an_id: INTEGER): BOOLEAN is
			-- Has the current server or the associated temporary 
			-- server an item of id `an_id'.
		do
			Result := Tmp_feat_tbl_server.has (an_id) or else server_has (an_id)
		end;

	id (t: FEATURE_TABLE): INTEGER is
			-- Id associated with `t'
		do
			Result := t.feat_tbl_id
		end

	item (an_id: INTEGER): FEATURE_TABLE is
			-- Feature table of id `an_id'. Look first in the temporary
			-- feature table server. It not present, look in itself.
		do
			if Tmp_feat_tbl_server.has (an_id) then
				Result := Tmp_feat_tbl_server.item (an_id);
			else
				Result := server_item (an_id);
			end; 
		end;

feature -- Server size configuration

	Size_limit: INTEGER is 400
			-- Size of the FEAT_TBL_SERVER file (400 Ko)

	Chunk: INTEGER is 500
			-- Size of a HASH_TABLE block

invariant
	cache_not_void: cache /= Void

indexing
	copyright:	"Copyright (c) 1984-2006, Eiffel Software"
	license:	"GPL version 2 (see http://www.eiffel.com/licensing/gpl.txt)"
	licensing_options:	"http://www.eiffel.com/licensing"
	copying: "[
			This file is part of Eiffel Software's Eiffel Development Environment.
			
			Eiffel Software's Eiffel Development Environment is free
			software; you can redistribute it and/or modify it under
			the terms of the GNU General Public License as published
			by the Free Software Foundation, version 2 of the License
			(available at the URL listed under "license" above).
			
			Eiffel Software's Eiffel Development Environment is
			distributed in the hope that it will be useful,	but
			WITHOUT ANY WARRANTY; without even the implied warranty
			of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
			See the	GNU General Public License for more details.
			
			You should have received a copy of the GNU General Public
			License along with Eiffel Software's Eiffel Development
			Environment; if not, write to the Free Software Foundation,
			Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
		]"
	source: "[
			 Eiffel Software
			 356 Storke Road, Goleta, CA 93117 USA
			 Telephone 805-685-1006, Fax 805-685-6869
			 Website http://www.eiffel.com
			 Customer support http://support.eiffel.com
		]"

end