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91 lines
2.5 KiB
91 lines
2.5 KiB
//+---------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1995.
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//
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// File: DisQuery.hxx
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//
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// Contents: PIInternalQuery for distributed implementation.
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//
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// Classes: CDistributedQuery
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//
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// History: 05-Jun-95 KyleP Created
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//
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//----------------------------------------------------------------------------
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#pragma once
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#include <oldquery.hxx>
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//+---------------------------------------------------------------------------
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//
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// Class: CDistributedQuery
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//
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// Purpose: IInternalQuery for distributed implementation.
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//
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// History: 07-Jun-95 KyleP Created.
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//
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//----------------------------------------------------------------------------
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class CDistributedQuery : INHERIT_VIRTUAL_UNWIND, public PIInternalQuery
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{
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INLINE_UNWIND( CDistributedQuery )
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public:
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CDistributedQuery( unsigned cChild );
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//
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// IUnknown methods.
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//
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STDMETHOD(QueryInterface) (THIS_ REFIID riid, void ** ppvObj);
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STDMETHOD_(ULONG,AddRef) (THIS);
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STDMETHOD_(ULONG,Release) (THIS);
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void Execute (IUnknown * pUnkOuter,
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RESTRICTION * pRestriction,
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CPidMapperWithNames & PidMap,
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CColumnSet & rColumns,
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CSortSet & rSort,
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XPtr<CMRowsetProps> & xRstProps,
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CCategorizationSet & rCateg,
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ULONG cRowsets,
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IUnknown ** ppUnknowns,
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CAccessorBag & aAccessors,
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IUnknown * pUnkCreator = 0);
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BOOL IsQueryActive( ) { return _aChild[0]->IsQueryActive(); }
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//
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// Local methods
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//
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inline void Add( PIInternalQuery * pQuery, unsigned pos );
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private:
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~CDistributedQuery();
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XArray<PIInternalQuery *> _aChild;
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};
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//+-------------------------------------------------------------------------
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//
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// Member: CDistributedQuery::Add, public
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//
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// Synopsis: Add child node to distributed query.
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//
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// Arguments: [pQuery] -- Child query.
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// [pos] -- Position to add.
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//
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// History: 07-Jun-95 KyleP Created
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//
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//--------------------------------------------------------------------------
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inline void CDistributedQuery::Add( PIInternalQuery * pQuery, unsigned pos )
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{
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Win4Assert( 0 == _aChild[pos] );
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_aChild[pos] = pQuery;
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}
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