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version 1.1.2.11, 2004/10/20 14:55:25
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version 1.1.2.12, 2004/11/17 16:19:54
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| class PEGASUS_CQL_LINKAGE CQLFactory; | class PEGASUS_CQL_LINKAGE CQLFactory; |
| class PEGASUS_CQL_LINKAGE QueryContext; | class PEGASUS_CQL_LINKAGE QueryContext; |
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| /** |
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| The CQLExpression class encapsulates a generic CQL expression to make it |
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| easier to break into components and process the expression. |
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| A CQL expression is made up of terms and operators. |
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| For example, 'A + B' is a CQLExpression, where 'A' and 'B' are terms, and |
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| '+' is an operator. |
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| There must be exactly one more term than there are operators. |
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| */ |
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| //##ModelId=40FC03230150 |
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| class PEGASUS_CQL_LINKAGE CQLExpressionRep | class PEGASUS_CQL_LINKAGE CQLExpressionRep |
| { | { |
| public: | public: |
| CQLExpressionRep(){} | CQLExpressionRep(){} |
| /** constructor takes one CQLTerm object. |
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| */ |
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| CQLExpressionRep(const CQLTerm& theTerm); | CQLExpressionRep(const CQLTerm& theTerm); |
| CQLExpressionRep(const CQLExpressionRep* rep); | CQLExpressionRep(const CQLExpressionRep* rep); |
| /** the getValue method evaluates the expression and returns the value. |
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| Any property that need to be resolved into a value is taken from the |
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| CIMInstance. |
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| */ |
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| ~CQLExpressionRep(); | ~CQLExpressionRep(); |
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| CQLValue resolveValue(const CIMInstance& CI, const QueryContext& QueryCtx); | CQLValue resolveValue(const CIMInstance& CI, const QueryContext& QueryCtx); |
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| /** The appendOperation is used by Bison. |
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| It is invoked 0 or more times for the CQLExpression, and |
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| when invoked will always pass in an integer that is the Term operation |
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| type and a CQLTerm object. |
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| */ |
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| void appendOperation(const TermOpType theTermOpType, const CQLTerm& theTerm); | void appendOperation(const TermOpType theTermOpType, const CQLTerm& theTerm); |
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| String toString()const; | String toString()const; |
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| private: | private: |
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| /** The _TermOperators member variable is an | /** The _TermOperators member variable is an |
| array of operators that are valid to operate on Terms in a CQL | array of operators that are valid to operate on Terms in a CQL |
| expression. | expression. |
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| The array is ordered according to the operation from left to right. | The array is ordered according to the operation from left to right. |
| */ | */ |
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| Array<TermOpType> _TermOperators; | Array<TermOpType> _TermOperators; |
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| /** The _CQLTerms member variable is an | /** The _CQLTerms member variable is an |
Return to
CQLExpressionRep.h
CVS log
Up to [Pegasus] / pegasus / src / Pegasus / CQL