cb::graph::cbVirtualDeviceNode Struct Reference

This node include virtual device infomation and perform the final operation of how to get the data from remote sql database. More...

#include <cbComputeGraph.hpp>

Inheritance diagram for cb::graph::cbVirtualDeviceNode:

Collaboration diagram for cb::graph::cbVirtualDeviceNode:

Public Member Functions
	~cbVirtualDeviceNode () override final
	cbVirtualDeviceNode ()
void *	generateTask () override final
	generate a SQL wf task for now. More...
void	addQuery (const std::string &q)
	Add a String type sql sentence to this node. Waiting to be execute. More...
trivial::cbMySqlDevice *	getDevice ()
	Get the Device object. More...
Public Member Functions inherited from cb::graph::cbNode
virtual	~cbNode ()
	Destroy the cb Node object Virtual function. More...
	cbNode (const nodeType &nt)
void	PointTo (cbNode *ptr)

Public Attributes
friend	cbComputeGraph
Public Attributes inherited from cb::graph::cbNode
cbOpIO	io
bool	isFinalOutput = false
bool	visited = false
nodeType	nodeT
void *	task = nullptr
cbNode *	nextNode = nullptr
cbComputeGraph *	graph = nullptr

Private Member Functions
void	setMySQLDevice (trivial::cbMySqlDevice *device=nullptr)

Private Attributes
trivial::cbMySqlDevice *	m_device
std::vector< std::string >	m_queries

Additional Inherited Members
Static Public Member Functions inherited from cb::graph::cbNode
static WFMySQLTask *	asSQLTask (void *metaTask)
static WFGoTask *	asGoTask (void *metaTask)

Detailed Description

This node include virtual device infomation and perform the final operation of how to get the data from remote sql database.

Note

This node just support SQL for now. But it's quite easy to extened to other relationship database.

Definition at line 253 of file cbComputeGraph.hpp.

Constructor & Destructor Documentation

~cbVirtualDeviceNode()

cb::graph::cbVirtualDeviceNode::~cbVirtualDeviceNode ( )

finaloverride

Definition at line 72 of file cbComputeGraph.cpp.

cbVirtualDeviceNode()

cb::graph::cbVirtualDeviceNode::cbVirtualDeviceNode

(

)

Definition at line 122 of file cbComputeGraph.cpp.

References cb::graph::Leaf.

Member Function Documentation

addQuery()

void cb::graph::cbVirtualDeviceNode::addQuery

(

const std::string &

q

)

Add a String type sql sentence to this node. Waiting to be execute.

Parameters

q

string

Definition at line 116 of file cbComputeGraph.cpp.

References m_queries.

Referenced by cb::graph::cbComputeGraph::cbComputeGraph().

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generateTask()

void * cb::graph::cbVirtualDeviceNode::generateTask ( )

finaloverridevirtual

generate a SQL wf task for now.

Returns

void* WFMySQLTask* actually.

Implements cb::graph::cbNode.

Definition at line 76 of file cbComputeGraph.cpp.

References cbVirtualTable::getInfo(), cbVirtualTable::getShape(), cb::graph::cbNode::graph, cbOpIO::I, cb::graph::cbNode::io, cb::graph::cbComputeGraph::io, cb::graph::cbNode::isFinalOutput, m_device, m_queries, cb::graph::cbComputeGraph::m_sharedMem, mapShared2Virtual(), cb::graph::cbNode::nextNode, cbOpIO::O, cb::graph::cbGraphSharedMem::push(), trivial::cbMySqlDevice::query(), cb::graph::cbGraphSharedMem::setOutStruct(), and cb::graph::cbNode::task.

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getDevice()

trivial::cbMySqlDevice * cb::graph::cbVirtualDeviceNode::getDevice

(

)

Get the Device object.

Returns

trivial::cbMySqlDevice*

Definition at line 118 of file cbComputeGraph.cpp.

References m_device.

setMySQLDevice()

void cb::graph::cbVirtualDeviceNode::setMySQLDevice ( trivial::cbMySqlDevice *  device = nullptr )

private

Definition at line 120 of file cbComputeGraph.cpp.

References m_device.

Referenced by cb::graph::cbComputeGraph::createVirtualDeviceNode().

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Member Data Documentation

cbComputeGraph

friend cb::graph::cbVirtualDeviceNode::cbComputeGraph

Definition at line 254 of file cbComputeGraph.hpp.

m_device

trivial::cbMySqlDevice* cb::graph::cbVirtualDeviceNode::m_device

private

Definition at line 282 of file cbComputeGraph.hpp.

Referenced by generateTask(), getDevice(), and setMySQLDevice().

m_queries

std::vector<std::string> cb::graph::cbVirtualDeviceNode::m_queries

private

Definition at line 283 of file cbComputeGraph.hpp.

Referenced by addQuery(), and generateTask().

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

• /home/wang/covalentBond/src/core/server/task/cbComputeGraph.hpp
• /home/wang/covalentBond/src/core/server/task/cbComputeGraph.cpp