pegasus/src/Pegasus/WQL/WQLSelectStatement.h - diff

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Diff for /pegasus/src/Pegasus/WQL/WQLSelectStatement.h between version 1.1.2.5 and 1.10

version 1.1.2.5, 2001/12/12 17:45:53

version 1.10, 2004/10/17 20:40:15

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//%/////////////////////////////////////////////////////////////////////////////

//%2004////////////////////////////////////////////////////////////////////////

// The Open Group, Tivoli Systems

// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.

// IBM Corp.; EMC Corporation, The Open Group.

// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to

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// Author: Mike Brasher (mbrasher@bmc.com)

// Modified By:

// Modified By: Carol Ann Krug Graves, Hewlett-Packard Company

// (carolann_graves@hp.com)

//%/////////////////////////////////////////////////////////////////////////////

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#define Pegasus_WQLSelectStatement_h

#include <Pegasus/Common/Config.h>

#include <Pegasus/Common/Array.h>

#include <Pegasus/Common/ArrayInternal.h>

#include <Pegasus/Common/String.h>

#include <Pegasus/Common/CIMName.h>

#include <Pegasus/Common/CIMPropertyList.h>

#include <Pegasus/Common/CIMInstance.h>

#include <Pegasus/Common/CIMObject.h>

#include <Pegasus/WQL/WQLOperation.h>

#include <Pegasus/WQL/WQLOperand.h>

#include <Pegasus/WQL/WQLPropertySource.h>

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/** Accessor.

const String& getClassName() const

const CIMName& getClassName() const

{

return _className;

}

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/** Modifier. This method should not be called by the user (only by the

parser).

void setClassName(const String& className)

void setClassName(const CIMName& className)

{

_className = className;

}

/**

Returns true if the query selects all properties ("*")

Boolean getAllProperties() const;

/**

Used by the parser to indicate the query selects all properties ("*")

This method should not be called by the user (only by the parser).

void setAllProperties(const Boolean allProperties);

/** Returns the number of property names which were indicated in the

selection list.

This function should only be used if getAllProperties() returns false.

Uint32 getSelectPropertyNameCount() const

{

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}

/** Gets the i-th selected property name in the list.

This function should only be used if getAllProperties() returns false.

const String& getSelectPropertyName(Uint32 i)

const CIMName& getSelectPropertyName(Uint32 i) const

{

return _selectPropertyNames[i];

}

/** Appends a property name to the property name list. This user should

/**

Returns a CIMPropertyList containing the selected properties.

The list is NULL if the query selects all properties (SELECT * FROM...).

const CIMPropertyList getSelectPropertyList() const;

/** Appends a property name to the property name list. The user should

not call this method; it should only be called by the parser.

void appendSelectPropertyName(const String& x)

void appendSelectPropertyName(const CIMName& x)

{

_selectPropertyNames.append(x);

}

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/** Gets the i-th unique property appearing in the where clause.

const String& getWherePropertyName(Uint32 i)

const CIMName& getWherePropertyName(Uint32 i) const

{

return _wherePropertyNames[i];

}

/** Appends a property name to the where property name list. This user

/**

Returns a CIMPropertyList containing the unique properties used in the

WHERE clause

const CIMPropertyList getWherePropertyList() const;

/** Appends a property name to the where property name list. The user

should not call this method; it should only be called by the parser.

@param x name of the property.

@return false if a property with that name already exists.

Boolean appendWherePropertyName(const String& x);

Boolean appendWherePropertyName(const CIMName& x);

/** Appends an operation to the operation array. This method should only

be called by the parser itself.

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Boolean evaluateWhereClause(const WQLPropertySource* source) const;

/** Inspect an instance and remove properties not listed in Select projection.

void applyProjection(CIMInstance& inst);

void applyProjection(CIMObject& inst);

/** Prints out the members of this class.

void print() const;

static const WQLSelectStatement EMPTY;

private:

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// WHERE ...

String _className;

CIMName _className;

// Indicates that all properties are selected (i.e. SELECT * FROM ...)

Boolean _allProperties;

// The list of property names being selected. For example, see "firstName",

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// FROM TargetClass

// WHERE ...

// NOTE: if the query selects all properties, this list is empty, and

// _allProperties is true

// NOTE: duplicate property names are not removed from the select list

// (e.g. SELECT firstName, firstName FROM...) results in a list of

// two properties

Array<String> _selectPropertyNames;

Array<CIMName> _selectPropertyNames;

// The unique list of property names appearing in the WHERE clause.

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// only appear once in this list.

Array<String> _wherePropertyNames;

Array<CIMName> _wherePropertyNames;

// The list of operations encountered while parsing the WHERE clause.

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Array<WQLOperation> _operations;

// The list of operands encountered while parsing the WHERE clause. They

// The list of operands encountered while parsing the WHERE clause. The

// query just above would generate the following stream of operands:

// count, 10, peak, 20, state, "OKAY"

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Array<WQLOperand> _operands;

void f() const { }

friend class CMPI_Wql2Dnf;

};

PEGASUS_NAMESPACE_END

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