greenplumn CParseHandlerOptimizerConfig 代码
文件路径：/src/backend/gporca/libnaucrates/include/naucrates/dxl/parser/CParseHandlerOptimizerConfig.h
/---------------------------------------------------------------------------
/ Greenplum Database
/ Copyright (C) 2013 EMC Corp.
/
/ @filename:
/ CParseHandlerOptimizerConfig.h
/
/ @doc:
/ SAX parse handler class for parsing optimizer config options
/---------------------------------------------------------------------------
#ifndef GPDXL_CParseHandlerOptimizerConfig_H
#define GPDXL_CParseHandlerOptimizerConfig_H
#include "gpos/base.h"
#include "naucrates/dxl/parser/CParseHandlerBase.h"
/ fwd decl
namespace gpos
{
class CBitSet;
}
namespace gpdxl
{
using namespace gpos;
XERCES_CPP_NAMESPACE_USE
/---------------------------------------------------------------------------
/ @class:
/ CParseHandlerOptimizerConfig
/
/ @doc:
/ SAX parse handler class for parsing optimizer config options
/
/---------------------------------------------------------------------------
class CParseHandlerOptimizerConfig : public CParseHandlerBase
{
private:
/ trace flag bitset
CBitSet *m_pbs;
/ optimizer configuration
COptimizerConfig *m_optimizer_config;
/ process the start of an element
void StartElement(
const XMLCh *const element_uri, / URI of element's namespace
const XMLCh *const element_local_name, / local part of element's name
const XMLCh *const element_qname, / element's qname
const Attributes &attr / element's attributes
) override;
/ process the end of an element
void EndElement(
const XMLCh *const element_uri, / URI of element's namespace
const XMLCh *const element_local_name, / local part of element's name
const XMLCh *const element_qname / element's qname
) override;
public:
CParseHandlerOptimizerConfig(const CParseHandlerOptimizerConfig &) = delete;
/ ctor/dtor
CParseHandlerOptimizerConfig(CMemoryPool *mp,
CParseHandlerManager *parse_handler_mgr,
CParseHandlerBase *parse_handler_root);
~CParseHandlerOptimizerConfig() override;
/ type of the parse handler
EDxlParseHandlerType GetParseHandlerType() const override;
/ trace flags
CBitSet *Pbs() const;
/ optimizer config
COptimizerConfig *GetOptimizerConfig() const;
};
} / namespace gpdxl
#endif / !GPDXL_CParseHandlerOptimizerConfig_H
/ EOF
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