note
	description: "Object that represents a quantity scope"
	legal: "See notice at end of class."
	status: "See notice at end of class."
	date: "$Date$"
	revision: "$Revision$"

class
	QL_QUANTITY_SCOPE

inherit
	QL_SCOPE

create
	make

feature{QL_SHARED_SCOPES} -- Initialization

	make
			-- Initialize.
		do
			index := quantity_scope_index
		ensure
			scope_index_set: index = quantity_scope_index
		end

feature -- Metric support

	basic_scope (a_calculate_function: FUNCTION [QL_QUANTITY, DOUBLE];
	                  a_criterion: QL_QUANTITY_CRITERION): QL_METRIC_QUANTITY_BASIC_SCOPE_INFO
			-- Metric basic scope information that uses `a_calculate_function' and `a_criterion' to calculate metric.
			-- If `a_calculate_function' or `a_criterion' is Void, default value will be used.
			-- Default value for `a_calculate_function' is to do counting simply, and for `a_criterion' is a tautology criterion.
		do
			create Result.make (a_calculate_function)
		end

feature -- Access

	domain_generator: QL_QUANTITY_DOMAIN_GENERATOR
			-- Domain generator for current scope
		do
			create Result
		end

	path_domain_generator (a_item: QL_QUANTITY; a_path: READABLE_STRING_GENERAL): QL_DOMAIN_GENERATOR
			-- Domain generator for current scope
		do
		end

	empty_domain: QL_QUANTITY_DOMAIN
			-- An empty domain whose scope is quantity
		do
			create Result.make
		end

	delayed_domain: QL_DELAYED_QUANTITY_DOMAIN
			-- An empty delayed domain whose scope is same as current scope
		do
			create Result.make
		end

feature{NONE} -- Implementation

	criterion_factory: QL_QUANTITY_CRITERION_FACTORY;
			-- Factory to produce criteria

note
	copyright: "Copyright (c) 1984-2018, 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
			5949 Hollister Ave., Goleta, CA 93117 USA
			Telephone 805-685-1006, Fax 805-685-6869
			Website http://www.eiffel.com
			Customer support http://support.eiffel.com
		]"

end