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27#ifndef __com_sun_star_lang_XTypeProvider_idl__
28#define __com_sun_star_lang_XTypeProvider_idl__
29
30#ifndef __com_sun_star_uno_XInterface_idl__
31#include <com/sun/star/uno/XInterface.idl>
32#endif
33
34#ifndef __com_sun_star_reflection_XIdlClass_idl__
35#include <com/sun/star/reflection/XIdlClass.idl>
36#endif
37
38//=============================================================================
39
40module com {  module sun {  module star {  module lang {
41
42//=============================================================================
43
44/** interface to get information about the types
45	(usually interface types) supported by an object.
46 */
47published interface XTypeProvider: com::sun::star::uno::XInterface
48{
49
50	/** returns
51		a sequence of all types (usually interface types) provided by the object.
52		Important: If the object aggregates other objects the sequence also has
53		to contain all types supported by the aggregated objects.
54	 */
55	sequence<type> getTypes();
56
57
58	/** returns
59		a sequence of bytes with length > 0 that is used as an Id to distinguish
60		unambiguously between two sets of types, e.g. to realise hashing
61		functionality when the object is introspected. Two objects that return
62		the same UUID also have to return the same set of types in getTypes().
63
64		If a unique implementation Id cannot be provided this method has to return
65		an empty sequence.
66
67		Important: If the object aggregates other objects the UUID has to be unique
68		for the whole combination of objects.
69	 */
70	sequence<byte> getImplementationId();
71};
72
73//=============================================================================
74
75}; }; }; };
76
77#endif
78
79
80