1 karl  1.2 //%2004////////////////////////////////////////////////////////////////////////

 2 schuur 1.1 //

 3 karl   1.2 // 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 schuur 1.1 // IBM Corp.; EMC Corporation, The Open Group.

 7 karl   1.2 // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
 8            // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

 9 schuur 1.1 //
10            // Permission is hereby granted, free of charge, to any person obtaining a copy
11            // of this software and associated documentation files (the "Software"), to
12            // deal in the Software without restriction, including without limitation the
13            // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
14            // sell copies of the Software, and to permit persons to whom the Software is
15            // furnished to do so, subject to the following conditions:

16 karl   1.2 // 

17 schuur 1.1 // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
18            // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
19            // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
20            // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
21            // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
22            // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
23            // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24            // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25            //
26            //==============================================================================
27            //
28            // Author: Adrian Schuur (schuur@de.ibm.com)
29            //
30            // Modified By:
31            //
32            //%/////////////////////////////////////////////////////////////////////////////
33            
34            #include "WQLQueryExpressionRep.h"
35            #include "WQLParser.h"
36            #include "WQLInstancePropertySource.h"
37            
38 schuur 1.1 PEGASUS_NAMESPACE_BEGIN
39            
40            
41            const CIMPropertyList WQLQueryExpressionRep::getPropertyList() const
42            {
43               if (_stmt==NULL) ((WQLQueryExpressionRep*)this)->_parse();
44            
45               return _stmt->getSelectPropertyList();
46            }
47            
48            WQLQueryExpressionRep::~WQLQueryExpressionRep() {
49               if (_stmt) delete _stmt;
50            }
51            
52            void WQLQueryExpressionRep::_parse()
53            {
54               if (_queryLanguage=="WQL") {
55                  _stmt=new WQLSelectStatement();
56                  WQLParser::parse(_query, *_stmt);
57               }
58               else throw
59 schuur 1.1      PEGASUS_CIM_EXCEPTION(CIM_ERR_QUERY_LANGUAGE_NOT_SUPPORTED, _queryLanguage);
60            }
61            
62            Boolean WQLQueryExpressionRep::evaluate(const CIMInstance & inst) const
63            {
64                if (_stmt==NULL) ((WQLQueryExpressionRep*)this)->_parse();
65            
66                WQLInstancePropertySource ips(inst);
67                try {
68                   if (_stmt->evaluateWhereClause(&ips)) return true;
69                }
70                catch (...) {
71                     return false;
72                }
73                return false; 
74            }
75            
76            void WQLQueryExpressionRep::applyProjection(CIMInstance & ci) {
77               if (_stmt==NULL) ((WQLQueryExpressionRep*)this)->_parse();
78            
79               _stmt->applyProjection(ci);
80 schuur 1.1 }
81            
82            PEGASUS_NAMESPACE_END