greenplumn CParseHandlerMetadataObject 源码
greenplumn CParseHandlerMetadataObject 代码
文件路径：/src/backend/gporca/libnaucrates/include/naucrates/dxl/parser/CParseHandlerMetadataObject.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2010 Greenplum, Inc.
//
// @filename:
// CParseHandlerMetadataObject.h
//
// @doc:
// Base SAX parse handler class for parsing metadata objects.
//---------------------------------------------------------------------------
#ifndef GPDXL_CParseHandlerMetadataObject_H
#define GPDXL_CParseHandlerMetadataObject_H
#include "gpos/base.h"
#include "naucrates/dxl/parser/CParseHandlerBase.h"
#include "naucrates/md/IMDCacheObject.h"
namespace gpdxl
{
using namespace gpos;
using namespace gpmd;
XERCES_CPP_NAMESPACE_USE
//---------------------------------------------------------------------------
// @class:
// CParseHandlerMetadataObject
//
// @doc:
// Base parse handler class for metadata objects
//
//
//---------------------------------------------------------------------------
class CParseHandlerMetadataObject : public CParseHandlerBase
{
private:
protected:
// the metadata object constructed by the parse handler
IMDCacheObject *m_imd_obj;
public:
CParseHandlerMetadataObject(const CParseHandlerMetadataObject &) = delete;
// ctor/dtor
CParseHandlerMetadataObject(CMemoryPool *mp,
CParseHandlerManager *parse_handler_mgr,
CParseHandlerBase *parse_handler_root);
~CParseHandlerMetadataObject() override;
// returns constructed metadata object
IMDCacheObject *GetImdObj() const;
};
} // namespace gpdxl
#endif // !GPDXL_CParseHandlerMetadataObject_H
// EOF
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