This class define the main functions necessary to save and load the graph data and metadata information using the Graph Cache conception. More...

#include <AbstractGraphLoaderStrategy.h>

Inheritance diagram for te::graph::AbstractGraphLoaderStrategy:

Public Member Functions
	AbstractGraphLoaderStrategy (te::graph::GraphMetadata *metadata)
	Default constructor. More...

virtual	~AbstractGraphLoaderStrategy ()
	Default destructor. More...

Protected Attributes
te::graph::GraphMetadata *	m_graphMetadata
	Graph metadata attribute. More...

Abstract Graph Loader Strategy Methods
Method used to manager a graph data
virtual void	loadDataByVertexId (int vertexId, te::graph::AbstractGraph g, te::graph::GraphCache gc=0)=0
	Functio used to load a group of vertex elements given a base element. More...

virtual void	loadDataByEdgeId (int edgeId, te::graph::AbstractGraph g, te::graph::GraphCache gc=0)=0
	Functio used to load a group of edges elements given a base element. More...

virtual void	saveData (GraphData *data)
	Save the graph data structure in Data Source. More...

virtual void	removeEdge (int id)
	Function used to remove a edge saved in a data source. More...

virtual void	removeVertex (int id)
	Function used to remove a vertex saved in a data source. More...

te::graph::GraphMetadata *	getMetadata ()
	It returns a pointer to a class that describes the graph metadata. More...

void	saveGraphEdgeList (GraphData *data)
	Used to save the edge elements from a graph data. More...

void	saveVertexAttributes (GraphData *data)
	Used to save the vertex elements attributes from a graph data. More...

void	saveGraphVertexList (GraphData *data)
	Used to save the vertex elements from a graph data. More...

void	saveEdgeAttributes (GraphData *data)
	Used to save the edges elements attributes from a graph data. More...

Vertex *	loadVertex (int id)
	Function used to load one vertex given a ID. More...

Vertex *	loadVertexAttrs (int id)
	Function used to load one vertex given a ID. More...

Edge *	loadEdge (int id)
	Function used to load one edge given a ID. More...

Edge *	loadEdgeAttrs (int id)
	Function used to load one edge given a ID. More...

Detailed Description

This class define the main functions necessary to save and load the graph data and metadata information using the Graph Cache conception.

See Also: AbstractGraph, GraphMetadata, GraphCache

Definition at line 55 of file AbstractGraphLoaderStrategy.h.

Constructor & Destructor Documentation

te::graph::AbstractGraphLoaderStrategy::AbstractGraphLoaderStrategy ( te::graph::GraphMetadata * metadata )

Default constructor.

Definition at line 53 of file AbstractGraphLoaderStrategy.cpp.

te::graph::AbstractGraphLoaderStrategy::~AbstractGraphLoaderStrategy ( )

virtual

Default destructor.

Definition at line 57 of file AbstractGraphLoaderStrategy.cpp.

Member Function Documentation

te::graph::GraphMetadata * te::graph::AbstractGraphLoaderStrategy::getMetadata ( )

It returns a pointer to a class that describes the graph metadata.

Returns: A valid pointer if exists and null pointer in other case

Definition at line 62 of file AbstractGraphLoaderStrategy.cpp.

Referenced by te::graph::Graph::Graph(), and te::graph::GraphCache::GraphCache().

virtual void te::graph::AbstractGraphLoaderStrategy::loadDataByEdgeId	(	int	edgeId,
		te::graph::AbstractGraph *	g,
		te::graph::GraphCache *	gc = `0`
	)

pure virtual

Functio used to load a group of edges elements given a base element.

Parameters

edgeId	Attribute used to identify the base element
g	Pointer to a graph, parent of this element
gc	This is a optional attribute, if present the cache will be check if the already been loaded

Implemented in te::graph::BoxLoaderStrategy, te::graph::SequenceLoaderStrategy, te::graph::BottomUpLoaderStrategy, and te::graph::TopDownLoaderStrategy.

virtual void te::graph::AbstractGraphLoaderStrategy::loadDataByVertexId	(	int	vertexId,
		te::graph::AbstractGraph *	g,
		te::graph::GraphCache *	gc = `0`
	)

pure virtual

Functio used to load a group of vertex elements given a base element.

Parameters

vertexId	Attribute used to identify the base element
g	Pointer to a graph, parent of this element
gc	This is a optional attribute, if present the cache will be check if the already been loaded

Implemented in te::graph::BoxLoaderStrategy, te::graph::SequenceLoaderStrategy, te::graph::BottomUpLoaderStrategy, and te::graph::TopDownLoaderStrategy.

te::graph::Edge * te::graph::AbstractGraphLoaderStrategy::loadEdge ( int id )

protected

Function used to load one edge given a ID.

Parameters

id	The edge identifier

Note: This function is used in case the graph was saved using the edge list

Returns: A valid edge pointer if the element was found and a null pointer in other case

Definition at line 365 of file AbstractGraphLoaderStrategy.cpp.

References te::graph::Edge::addAttribute(), te::common::Convert2String(), te::graph::Edge::setAttributeVecSize(), te::graph::Globals::sm_tableEdgeModelAttrId, te::graph::Globals::sm_tableEdgeModelAttrVFrom, and te::graph::Globals::sm_tableEdgeModelAttrVTo.

te::graph::Edge * te::graph::AbstractGraphLoaderStrategy::loadEdgeAttrs ( int id )

protected

Function used to load one edge given a ID.

Parameters

id	The edge identifier

Note: This function is used in case the graph was saved using the vertex list

Returns: A valid vertex pointer if the element was found and a null pointer in other case

Definition at line 413 of file AbstractGraphLoaderStrategy.cpp.

References TR_GRAPH.

te::graph::Vertex * te::graph::AbstractGraphLoaderStrategy::loadVertex ( int id )

protected

Function used to load one vertex given a ID.

Parameters

id	The vertex identifier

Note: This function is used in case the graph was saved using the vertex list

Returns: A valid vertex pointer if the element was found and a null pointer in other case

Definition at line 314 of file AbstractGraphLoaderStrategy.cpp.

References TR_GRAPH.

te::graph::Vertex * te::graph::AbstractGraphLoaderStrategy::loadVertexAttrs ( int id )

protected

Function used to load one vertex given a ID.

Parameters

id	The vertex identifier

Note: This function is used in case the graph was saved using the edge list

Returns: A valid vertex pointer if the element was found and a null pointer in other case

Definition at line 319 of file AbstractGraphLoaderStrategy.cpp.

References te::graph::Vertex::addAttribute(), te::common::Convert2String(), te::graph::Vertex::setAttributeVecSize(), and te::graph::Globals::sm_tableVertexModelAttrId.

void te::graph::AbstractGraphLoaderStrategy::removeEdge ( int id )

virtual

Function used to remove a edge saved in a data source.

Parameters

id	The edge identifier

Reimplemented in te::graph::BottomUpLoaderStrategy, and te::graph::TopDownLoaderStrategy.

Definition at line 82 of file AbstractGraphLoaderStrategy.cpp.

References TR_GRAPH.

void te::graph::AbstractGraphLoaderStrategy::removeVertex ( int id )

virtual

Function used to remove a vertex saved in a data source.

Parameters

id	The vertex identifier

Reimplemented in te::graph::BottomUpLoaderStrategy, and te::graph::TopDownLoaderStrategy.

Definition at line 91 of file AbstractGraphLoaderStrategy.cpp.

References TR_GRAPH.

void te::graph::AbstractGraphLoaderStrategy::saveData ( GraphData * data )

virtual

Save the graph data structure in Data Source.

Parameters

data	Pointer to a valid graph data

Reimplemented in te::graph::BottomUpLoaderStrategy, and te::graph::TopDownLoaderStrategy.

Definition at line 67 of file AbstractGraphLoaderStrategy.cpp.

References te::graph::Edge_List, and TR_GRAPH.

void te::graph::AbstractGraphLoaderStrategy::saveEdgeAttributes ( GraphData * data )

protected

Used to save the edges elements attributes from a graph data.

Parameters

data	Pointer to a valid graph data

Definition at line 309 of file AbstractGraphLoaderStrategy.cpp.

References TR_GRAPH.

void te::graph::AbstractGraphLoaderStrategy::saveGraphEdgeList ( GraphData * data )

protected

Used to save the edge elements from a graph data.

Parameters

data	Pointer to a valid graph data

Definition at line 100 of file AbstractGraphLoaderStrategy.cpp.

References te::graph::GraphData::getEdgeMap(), te::graph::GraphData::isDirty(), te::mem::DataSetItem::setInt32(), and te::mem::DataSetItem::setValue().

void te::graph::AbstractGraphLoaderStrategy::saveGraphVertexList ( GraphData * data )

protected

Used to save the vertex elements from a graph data.

Parameters

data	Pointer to a valid graph data

Definition at line 304 of file AbstractGraphLoaderStrategy.cpp.

References TR_GRAPH.

void te::graph::AbstractGraphLoaderStrategy::saveVertexAttributes ( GraphData * data )

protected

Used to save the vertex elements attributes from a graph data.

Parameters

data	Pointer to a valid graph data

Definition at line 207 of file AbstractGraphLoaderStrategy.cpp.

References te::graph::GraphData::getVertexMap(), te::graph::GraphData::isDirty(), te::mem::DataSetItem::setInt32(), and te::mem::DataSetItem::setValue().

Member Data Documentation

te::graph::GraphMetadata* te::graph::AbstractGraphLoaderStrategy::m_graphMetadata

protected

Graph metadata attribute.

Definition at line 203 of file AbstractGraphLoaderStrategy.h.

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

/home/castejon/castejon_files/develop/terralib5/git/src/terralib/graph/loader/AbstractGraphLoaderStrategy.h
/home/castejon/castejon_files/develop/terralib5/git/src/terralib/graph/loader/AbstractGraphLoaderStrategy.cpp

Public Member Functions

Protected Attributes

Abstract Graph Loader Strategy Methods

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation