1 mike  1.1.2.1 //%/////////////////////////////////////////////////////////////////////////////
 2               //
 3               // Copyright (c) 2000, 2001 BMC Software, Hewlett-Packard Company, IBM, 
 4               // The Open Group, Tivoli Systems
 5               //
 6               // Permission is hereby granted, free of charge, to any person obtaining a copy
 7               // of this software and associated documentation files (the "Software"), to 
 8               // deal in the Software without restriction, including without limitation the 
 9               // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 
10               // sell copies of the Software, and to permit persons to whom the Software is
11               // furnished to do so, subject to the following conditions:
12               // 
13               // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN 
14               // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
15               // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
16               // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
17               // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 
18               // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 
19               // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
20               // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21               //
22 mike  1.1.2.1 //==============================================================================
23               //
24               // Author: Mike Brasher (mbrasher@bmc.com)
25               //
26               // Modified By:
27               //
28               //%/////////////////////////////////////////////////////////////////////////////
29               
30               #ifndef Pegasus_WQLPropertySource_h
31               #define Pegasus_WQLPropertySource_h
32               
33               #include <Pegasus/Common/Config.h>
34               #include <Pegasus/Common/String.h>
35               #include <Pegasus/WQL/Linkage.h>

36 mike  1.1.2.2 #include <Pegasus/WQL/WQLOperand.h>

37 mike  1.1.2.1 
38               PEGASUS_NAMESPACE_BEGIN
39               
40               /** This class must be implemented to provide a source of properties for the
41                   WQLSelectStatement::evaluateWhereClause() method which calls methods of
42                   this class to obtain real values for property names used in the where
43                   clause.
44               */
45               class PEGASUS_WQL_LINKAGE WQLPropertySource
46               {
47               public:
48               

49 mike  1.1.2.2     // 
50                   // Returns the value of the property with the given name:
51                   //

52 mike  1.1.2.1 
53                   virtual Boolean getValue(
54               	const String& propertyName, 

55 mike  1.1.2.2 	WQLOperand& value) const = 0;

56 mike  1.1.2.1 };
57               
58               PEGASUS_NAMESPACE_END
59               
60               #endif /* Pegasus_WQLPropertySource_h */