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version 1.1, 2004/09/07 18:26:54
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version 1.1.2.8, 2004/10/20 14:55:25
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//%2003//////////////////////////////////////////////////////////////////////// |
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// |
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// Copyright (c) 2000, 2001, 2002 BMC Software, Hewlett-Packard Development |
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// Company, L. P., IBM Corp., The Open Group, Tivoli Systems. |
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// Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L. P.; |
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// IBM Corp.; EMC Corporation, The Open Group. |
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// |
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// Permission is hereby granted, free of charge, to any person obtaining a copy |
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// of this software and associated documentation files (the "Software"), to |
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// deal in the Software without restriction, including without limitation the |
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or |
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// sell copies of the Software, and to permit persons to whom the Software is |
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// furnished to do so, subject to the following conditions: |
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// |
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// THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN |
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// ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED |
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// "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT |
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// LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
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// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
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// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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// |
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//============================================================================== |
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// |
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// Authors: David Rosckes (rosckes@us.ibm.com) |
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// Bert Rivero (hurivero@us.ibm.com) |
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// Chuck Carmack (carmack@us.ibm.com) |
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// Brian Lucier (lucier@us.ibm.com) |
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// |
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// Modified By: |
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// |
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//%///////////////////////////////////////////////////////////////////////////// |
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#ifndef Pegasus_CQLTermRep_h |
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#define Pegasus_CQLTermRep_h |
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#include <Pegasus/Common/Config.h> |
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#include <Pegasus/CQL/CQLValue.h> |
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#include <Pegasus/CQL/Linkage.h> |
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#include <Pegasus/CQL/CQLFactor.h> |
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PEGASUS_NAMESPACE_BEGIN |
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class PEGASUS_CQL_LINKAGE CQLFactory; |
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class PEGASUS_CQL_LINKAGE QueryContext; |
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/** The CQLTerm class encapsulates each CQL term in a CQL expression. |
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This class contains an array of CQLFactor objects and an array of CQLOperator |
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objects. |
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*/ |
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// |
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/** |
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The CQLTerm class encapsulates a generic CQL term to make it |
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easier to break into pieces (factors) and process the term. |
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A CQL term is made up of factors and operators. |
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For example, 'A * B' is a CQLTerm, where 'A' and 'B' are factors, and '*' |
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is an operator on a factor. |
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There must be exactly one more factor than there are operators. |
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*/ |
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class PEGASUS_CQL_LINKAGE CQLTermRep |
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{ |
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public: |
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CQLTermRep(); |
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/** constructor takes one CQLFactor object. |
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*/ |
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CQLTermRep(const CQLFactor & theFactor); |
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CQLTermRep(const CQLTermRep* rep); |
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~CQLTermRep(); |
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/** the getValue method evaluates the CQL term 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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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 CQLTerm, and |
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when invoked will always pass in an integer that is the Factor operation |
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type and a CQLFactor object. |
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*/ |
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void appendOperation(FactorOpType inFactorOpType, CQLFactor inFactor); |
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String toString()const; |
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Boolean isSimple()const; |
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Boolean isSimpleValue()const; |
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Array<CQLFactor> getFactors()const; |
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Array<FactorOpType> getOperators()const; |
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void applyContext(QueryContext& inContext, |
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CQLChainedIdentifier& inCid); |
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friend class CQLFactory; |
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private: |
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Array<FactorOpType> _FactorOperators; |
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Array<CQLFactor> _Factors; |
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}; |
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PEGASUS_NAMESPACE_END |
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#endif |
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CQLTermRep.h
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