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86 lines
2.3 KiB
86 lines
2.3 KiB
//+-------------------------------------------------------------------------
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//
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// Microsoft Windows
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// Copyright (C) Microsoft Corporation, 1992 - 1996.
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//
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// File: SvcQuery.hxx
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//
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// Contents: IInternalQuery interface for cisvc
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//
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// History: 13-Sep-96 dlee Created
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//
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//--------------------------------------------------------------------------
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#pragma once
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#include <rowset.hxx>
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#include <oldquery.hxx>
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#include "queryunk.hxx"
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//+-------------------------------------------------------------------------
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//
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// Class: CSvcQuery
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//
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// Purpose: IInternalQuery interface for cisvc
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//
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// History: 18-Jun-93 KyleP Created
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//
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//--------------------------------------------------------------------------
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class CSvcQuery : public PIInternalQuery
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{
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public:
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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 * pUnkSpec );
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//
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// Local methods
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//
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CSvcQuery( WCHAR const * wcsMachine,
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IDBProperties * pDbProperties );
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BOOL IsQueryActive( ) { return _QueryUnknown.IsQueryActive(); }
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private:
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~CSvcQuery()
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{
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TRY
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{
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_client.Disconnect();
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}
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CATCH( CException, e )
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{
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// ignore failures in destruction -- maybe the server died
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vqDebugOut(( DEB_WARN, "disconnect failed: error 0x%x\n",
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e.GetErrorCode() ));
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}
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END_CATCH;
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}
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CQueryUnknown _QueryUnknown; // for reference tracking of rowsets
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CRequestClient _client; // handles communication with cisvc
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};
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