1 karl  1.8 //%2006////////////////////////////////////////////////////////////////////////

 2 mike  1.2 //

 3 karl  1.6 // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
 4           // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
 5           // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;

 6 karl  1.5 // IBM Corp.; EMC Corporation, The Open Group.

 7 karl  1.6 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
 8           // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

 9 karl  1.7 // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
10           // EMC Corporation; VERITAS Software Corporation; The Open Group.

11 karl  1.8 // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
12           // EMC Corporation; Symantec Corporation; The Open Group.

13 mike  1.2 //
14           // Permission is hereby granted, free of charge, to any person obtaining a copy

15 kumpf 1.3 // of this software and associated documentation files (the "Software"), to
16           // deal in the Software without restriction, including without limitation the
17           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or

18 mike  1.2 // sell copies of the Software, and to permit persons to whom the Software is
19           // furnished to do so, subject to the following conditions:
20           // 

21 kumpf 1.3 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN

22 mike  1.2 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
23           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT

24 kumpf 1.3 // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
25           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
26           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

27 mike  1.2 // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28           // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29           //
30           //==============================================================================
31           //
32           //%/////////////////////////////////////////////////////////////////////////////
33           
34           #ifndef Pegasus_WQLPropertySource_h
35           #define Pegasus_WQLPropertySource_h
36           
37           #include <Pegasus/Common/Config.h>

38 kumpf 1.4 #include <Pegasus/Common/CIMName.h>

39 mike  1.2 #include <Pegasus/WQL/Linkage.h>
40           #include <Pegasus/WQL/WQLOperand.h>
41           
42           PEGASUS_NAMESPACE_BEGIN
43           
44           /** This class must be implemented to provide a source of properties for the
45               WQLSelectStatement::evaluateWhereClause() method which calls methods of
46               this class to obtain real values for property names used in the where
47               clause.
48           */
49           class PEGASUS_WQL_LINKAGE WQLPropertySource
50           {
51           public:
52           
53               /** Virtual destructor.
54               */
55               virtual ~WQLPropertySource();
56           
57               /** Returns the value whose property has the given name. The output

58 karl  1.9     parameter value is populated with the value of that parameter.
59               Note that only integer, double, and string types are supported
60               (see the WQLOperand class). The implementer of this method must
61               perform appropriate conversions to the appropriate type.
62           
63               @param propertyName name of property to be gotten.
64               @param value holds the value of the property upon return.
65               @return true if such a property was found and false otherwise.

66 mike  1.2     */
67               virtual Boolean getValue(

68 karl  1.9     const CIMName& propertyName, 
69               WQLOperand& value) const = 0;

70 mike  1.2 };
71           
72           PEGASUS_NAMESPACE_END
73           
74           #endif /* Pegasus_WQLPropertySource_h */