gs::ReadTransaction Class Reference

#include <read_transaction.h>

Collaboration diagram for gs::ReadTransaction:

Classes
class	edge_iterator
class	vertex_iterator

Public Member Functions
	ReadTransaction (const GraphDBSession &session, const MutablePropertyFragment &graph, VersionManager &vm, timestamp_t timestamp)
	~ReadTransaction ()
timestamp_t	timestamp () const
void	Commit ()
void	Abort ()
const MutablePropertyFragment &	graph () const
const std::shared_ptr< ColumnBase >	get_vertex_property_column (uint8_t label, const std::string &col_name) const
template<typename T >
const std::shared_ptr< TypedRefColumn< T > >	get_vertex_ref_property_column (uint8_t label, const std::string &col_name) const
	Get the handle of the vertex property column, including the primary key. More...
vertex_iterator	GetVertexIterator (label_t label) const
vertex_iterator	FindVertex (label_t label, const Any &id) const
bool	GetVertexIndex (label_t label, const Any &id, vid_t &index) const
vid_t	GetVertexNum (label_t label) const
Any	GetVertexId (label_t label, vid_t index) const
edge_iterator	GetOutEdgeIterator (label_t label, vid_t u, label_t neighbor_label, label_t edge_label) const
edge_iterator	GetInEdgeIterator (label_t label, vid_t u, label_t neighbor_label, label_t edge_label) const
template<typename EDATA_T >
AdjListView< EDATA_T >	GetOutgoingEdges (label_t v_label, vid_t v, label_t neighbor_label, label_t edge_label) const
template<typename EDATA_T >
AdjListView< EDATA_T >	GetIncomingEdges (label_t v_label, vid_t v, label_t neighbor_label, label_t edge_label) const
const Schema &	schema () const
template<typename EDATA_T >
GraphView< EDATA_T >	GetOutgoingGraphView (label_t v_label, label_t neighbor_label, label_t edge_label) const
template<typename EDATA_T >
GraphView< EDATA_T >	GetIncomingGraphView (label_t v_label, label_t neighbor_label, label_t edge_label) const
template<typename EDATA_T >
SingleGraphView< EDATA_T >	GetOutgoingSingleGraphView (label_t v_label, label_t neighbor_label, label_t edge_label) const
template<typename EDATA_T >
SingleGraphView< EDATA_T >	GetIncomingSingleGraphView (label_t v_label, label_t neighbor_label, label_t edge_label) const
template<typename EDATA_T >
SingleImmutableGraphView< EDATA_T >	GetOutgoingSingleImmutableGraphView (label_t v_label, label_t neighbor_label, label_t edge_label) const
template<typename EDATA_T >
SingleImmutableGraphView< EDATA_T >	GetIncomingSingleImmutableGraphView (label_t v_label, label_t neighbor_label, label_t edge_label) const
const GraphDBSession &	GetSession () const

Private Member Functions
void	release ()

Private Attributes
const GraphDBSession &	session_
const MutablePropertyFragment &	graph_
VersionManager &	vm_
timestamp_t	timestamp_

Constructor & Destructor Documentation

ReadTransaction()

gs::ReadTransaction::ReadTransaction	(	const GraphDBSession &	session,
		const MutablePropertyFragment &	graph,
		VersionManager &	vm,
		timestamp_t	timestamp
	)

~ReadTransaction()

gs::ReadTransaction::~ReadTransaction

(

)

Member Function Documentation

Abort()

void gs::ReadTransaction::Abort

(

)

Commit()

void gs::ReadTransaction::Commit

(

)

FindVertex()

ReadTransaction::vertex_iterator gs::ReadTransaction::FindVertex	(	label_t	label,
		const Any &	id
	)		const

get_vertex_property_column()

const std::shared_ptr<ColumnBase> gs::ReadTransaction::get_vertex_property_column ( uint8_t  label, const std::string &  col_name  ) const

inline

get_vertex_ref_property_column()

template<typename T >

const std::shared_ptr<TypedRefColumn<T> > gs::ReadTransaction::get_vertex_ref_property_column ( uint8_t  label, const std::string &  col_name  ) const

inline

Get the handle of the vertex property column, including the primary key.

Template Parameters

T	The type of the column.

Parameters

label	The label of the vertex.
col_name	The name of the column.

GetIncomingEdges()

template<typename EDATA_T >

AdjListView<EDATA_T> gs::ReadTransaction::GetIncomingEdges ( label_t  v_label, vid_t  v, label_t  neighbor_label, label_t  edge_label  ) const

inline

GetIncomingGraphView()

template<typename EDATA_T >

GraphView<EDATA_T> gs::ReadTransaction::GetIncomingGraphView ( label_t  v_label, label_t  neighbor_label, label_t  edge_label  ) const

inline

GetIncomingSingleGraphView()

template<typename EDATA_T >

SingleGraphView<EDATA_T> gs::ReadTransaction::GetIncomingSingleGraphView ( label_t  v_label, label_t  neighbor_label, label_t  edge_label  ) const

inline

GetIncomingSingleImmutableGraphView()

template<typename EDATA_T >

SingleImmutableGraphView<EDATA_T> gs::ReadTransaction::GetIncomingSingleImmutableGraphView ( label_t  v_label, label_t  neighbor_label, label_t  edge_label  ) const

inline

GetInEdgeIterator()

ReadTransaction::edge_iterator gs::ReadTransaction::GetInEdgeIterator	(	label_t	label,
		vid_t	u,
		label_t	neighbor_label,
		label_t	edge_label
	)		const

GetOutEdgeIterator()

ReadTransaction::edge_iterator gs::ReadTransaction::GetOutEdgeIterator	(	label_t	label,
		vid_t	u,
		label_t	neighbor_label,
		label_t	edge_label
	)		const

GetOutgoingEdges()

template<typename EDATA_T >

AdjListView<EDATA_T> gs::ReadTransaction::GetOutgoingEdges ( label_t  v_label, vid_t  v, label_t  neighbor_label, label_t  edge_label  ) const

inline

GetOutgoingGraphView()

template<typename EDATA_T >

GraphView<EDATA_T> gs::ReadTransaction::GetOutgoingGraphView ( label_t  v_label, label_t  neighbor_label, label_t  edge_label  ) const

inline

GetOutgoingSingleGraphView()

template<typename EDATA_T >

SingleGraphView<EDATA_T> gs::ReadTransaction::GetOutgoingSingleGraphView ( label_t  v_label, label_t  neighbor_label, label_t  edge_label  ) const

inline

GetOutgoingSingleImmutableGraphView()

template<typename EDATA_T >

SingleImmutableGraphView<EDATA_T> gs::ReadTransaction::GetOutgoingSingleImmutableGraphView ( label_t  v_label, label_t  neighbor_label, label_t  edge_label  ) const

inline

GetSession()

const GraphDBSession & gs::ReadTransaction::GetSession

(

)

const

GetVertexId()

Any gs::ReadTransaction::GetVertexId	(	label_t	label,
		vid_t	index
	)		const

GetVertexIndex()

bool gs::ReadTransaction::GetVertexIndex	(	label_t	label,
		const Any &	id,
		vid_t &	index
	)		const

GetVertexIterator()

ReadTransaction::vertex_iterator gs::ReadTransaction::GetVertexIterator

(

label_t

label

)

const

GetVertexNum()

vid_t gs::ReadTransaction::GetVertexNum

(

label_t

label

)

const

graph()

const MutablePropertyFragment & gs::ReadTransaction::graph

(

)

const

release()

void gs::ReadTransaction::release ( )

private

schema()

const Schema& gs::ReadTransaction::schema ( ) const

inline

timestamp()

timestamp_t gs::ReadTransaction::timestamp

(

)

const

Member Data Documentation

graph_

const MutablePropertyFragment& gs::ReadTransaction::graph_

private

session_

const GraphDBSession& gs::ReadTransaction::session_

private

timestamp_

timestamp_t gs::ReadTransaction::timestamp_

private

vm_

VersionManager& gs::ReadTransaction::vm_

private

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The documentation for this class was generated from the following files:

• /home/runner/work/GraphScope/GraphScope/flex/engines/graph_db/database/read_transaction.h
• /home/runner/work/GraphScope/GraphScope/flex/engines/graph_db/database/read_transaction.cc