indexing
	description: "Information about a process."
	status: "See notice at end of class."
	date: "$Date$"
	revision: "$Revision$"

class interface
	WEL_PROCESS_INFO

create 

	make
			-- Allocate item
			-- (from WEL_STRUCTURE)
		ensure -- from WEL_STRUCTURE
			not_shared: not shared

feature -- Access

	item: POINTER
			-- Generic Windows handle or structure pointer.
			-- Can be a HWND, HICON, RECT *, WNDCLASS *, etc...
			-- (from WEL_ANY)

	process_handle: INTEGER
			-- Handle to process

	process_id: INTEGER
			-- Process identifier

	thread_handle: INTEGER
			-- Handle to thread

	thread_id: INTEGER
			-- Thread identifier
	
feature -- Status report

	exists: BOOLEAN
			-- Does the item exist?
			-- (from WEL_ANY)
		ensure -- from WEL_ANY
			Result = (item /= default_pointer)

	shared: BOOLEAN
			-- Is item shared by another object?
			-- If False (by default), item will
			-- be destroyed by destroy_item.
			-- If True, item will not be destroyed.
			-- (from WEL_ANY)
	
feature -- Status setting

	set_shared
			-- Set shared to True.
			-- (from WEL_ANY)
		ensure -- from WEL_ANY
			shared: shared

	set_unshared
			-- Set shared to False.
			-- (from WEL_ANY)
		ensure -- from WEL_ANY
			unshared: not shared
	
feature -- Element change

	set_item (an_item: POINTER)
			-- Set item with an_item
			-- (from WEL_ANY)
		ensure -- from WEL_ANY
			item_set: item = an_item
	
feature -- Removal

	dispose
			-- Destroy the inner structure of Current.
			--
			-- This function should be called by the GC when the
			-- object is collected or by the user if Current is
			-- no more usefull.
			-- (from WEL_ANY)
	
feature -- Conversion

	to_integer: INTEGER
			-- Converts item to an integer.
			-- (from WEL_ANY)
		ensure -- from WEL_ANY
			Result = cwel_pointer_to_integer (item)
	
feature -- Basic operations

	initialize
			-- Fill Current with zeros.
			-- (from WEL_STRUCTURE)
		require -- from WEL_STRUCTURE
			exists: exists

	initialize_with_character (a_character: CHARACTER)
			-- Fill current with a_character.
			-- (from WEL_STRUCTURE)
		require -- from WEL_STRUCTURE
			exists: exists

	memory_copy (source_pointer: POINTER; length: INTEGER)
			-- Copy length bytes from source_pointer to item.
			-- (from WEL_STRUCTURE)
		require -- from WEL_STRUCTURE
			length_small_enough: length <= structure_size
			length_large_enough: length > 0
			exists: exists
	
feature -- Element Settings

	set_process_handle (a_handle: like process_handle)
			-- Set process_handle with a_handle.
		require
			valid_handle: a_handle > 0
		ensure
			handle_set: process_handle = a_handle

	set_process_id (a_id: like process_id)
			-- Set process_id with a_id.
		require
			valid_id: a_id > 0
		ensure
			id_set: process_id = a_id

	set_thread_handle (a_handle: like thread_handle)
			-- Set thread_handle with a_handle.
		require
			valid_handle: a_handle > 0
		ensure
			handle_set: thread_handle = a_handle

	set_thread_id (a_id: like thread_id)
			-- Set thread_id with a_id.
		require
			valid_id: a_id > 0
		ensure
			id_set: thread_id = a_id
	
invariant

		-- from ANY
	reflexive_equality: standard_is_equal (Current)
	reflexive_conformance: conforms_to (Current)

end -- class WEL_PROCESS_INFO