source-engine/public/gcsdk/schemasharedobject.h
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2020-04-22 12:56:21 -04:00

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C++

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Shared object based on a CBaseRecord subclass
//
//=============================================================================
#ifndef SCHEMASHAREDOBJECT_H
#define SCHEMASHAREDOBJECT_H
#ifdef _WIN32
#pragma once
#endif
#ifndef GC
#error "CSchemaSharedObject is only intended for use on GC-only shared objects. It shouldn't be included on the client"
#endif
#if defined( DEBUG )
#include "gcbase.h"
#endif
namespace GCSDK
{
//----------------------------------------------------------------------------
// Purpose: Contains helper functions to deal with passed in CRecordInfo,
// so that a CRecordInfo can be built on the fly
//----------------------------------------------------------------------------
class CSchemaSharedObjectHelper
{
public:
static bool BYieldingAddInsertToTransaction( CSQLAccess & sqlAccess, CRecordBase *pRecordBase );
static bool BYieldingAddWriteToTransaction( CSQLAccess & sqlAccess, CRecordBase *pRecordBase, const CColumnSet & csDatabaseDirty );
static bool BYieldingAddRemoveToTransaction( CSQLAccess & sqlAccess, CRecordBase *pRecordBase );
static bool BYieldingAddToDatabase( CRecordBase *pRecordBase );
static bool BYieldingReadFromDatabase( CRecordBase *pRecordBase );
static void Dump( const CRecordBase *pRecordBase );
};
//----------------------------------------------------------------------------
// Purpose: Base class for CSchemaSharedObject. This is where all the actual
// code lives.
//----------------------------------------------------------------------------
class CSchemaSharedObjectBase : public CSharedObject
{
public:
typedef CSharedObject BaseClass;
CSchemaSharedObjectBase( CRecordInfo *pRecordInfo ) : BaseClass() {}
virtual bool BYieldingAddInsertToTransaction( CSQLAccess & sqlAccess );
virtual bool BYieldingAddWriteToTransaction( CSQLAccess & sqlAccess, const CUtlVector< int > &fields );
virtual bool BYieldingAddRemoveToTransaction( CSQLAccess & sqlAccess );
virtual bool BYieldingAddToDatabase();
virtual bool BYieldingReadFromDatabase() ;
// schema shared objects are GC-only and are never sent to clients.
virtual bool BIsNetworked() const { return false; }
virtual bool BParseFromMessage( const CUtlBuffer & buffer ) { return false; }
virtual bool BParseFromMessage( const std::string &buffer ) { return false; }
virtual bool BAddToMessage( CUtlBuffer & bufOutput ) const { return false; }
virtual bool BAddToMessage( std::string *pBuffer ) const { return false; }
virtual bool BAddDestroyToMessage( CUtlBuffer & bufDestroy ) const { return false; }
virtual bool BAddDestroyToMessage( std::string *pBuffer ) const { return false; }
virtual bool BUpdateFromNetwork( const CSharedObject & objUpdate ) { return false; }
virtual bool BIsKeyLess( const CSharedObject & soRHS ) const;
virtual void Copy( const CSharedObject & soRHS );
virtual void Dump() const;
// virtual bool BIsNetworkDirty() const { return false; }
// virtual void MakeNetworkClean() {}
const CRecordInfo * GetRecordInfo() const;
#ifdef DBGFLAG_VALIDATE
virtual void Validate( CValidator &validator, const char *pchName );
#endif
protected:
virtual CRecordBase *GetPObject() = 0;
const CRecordBase *GetPObject() const { return const_cast<CSchemaSharedObjectBase *>(this)->GetPObject(); }
CColumnSet GetDatabaseDirtyColumnSet( const CUtlVector< int > &fields ) const;
};
//----------------------------------------------------------------------------
// Purpose: Template for making a shared object that uses a specific Schema
// class for its data store.
//----------------------------------------------------------------------------
template< typename SchObject_t, int nTypeID >
class CSchemaSharedObject : public CSchemaSharedObjectBase
{
public:
CSchemaSharedObject()
: CSchemaSharedObjectBase( GCSDK::GSchemaFull().GetSchema( SchObject_t::k_iTable ).GetRecordInfo() )
{
}
~CSchemaSharedObject()
{
#ifdef DEBUG
// Ensure this SO is not in any cache, or we have an error. Note we must provide the type
//since we are in a destructor and it is unsafe to call virtual functions
Assert( !GGCBase()->IsSOCached( this, nTypeID ) );
#endif
}
virtual int GetTypeID() const { return nTypeID; }
SchObject_t & Obj() { return m_schObject; }
const SchObject_t & Obj() const { return m_schObject; }
typedef SchObject_t SchObjectType_t;
public:
const static int k_nTypeID = nTypeID;
const static int k_iFieldMax = SchObject_t::k_iFieldMax;
protected:
CRecordBase *GetPObject() { return &m_schObject; }
private:
SchObject_t m_schObject;
};
} // namespace GCSDK
#endif //SCHEMASHAREDOBJECT_H