Detailed Description

Definition at line 63 of file Node.hpp.

Inheritance diagram for dw::framework::Node:

Public Types
using	Name_t = FixedString< MAX_NAME_LEN >

Public Member Functions
virtual dwStatus	getErrorSignal (dwGraphErrorSignal *&errorSignal)=0
	Get the pointer to the error signal for this node. More...

virtual dwStatus	getHealthSignal (dwGraphHealthSignal *&healthSignals, bool updateFromModule=false)=0
	Get the pointer to the health signal for this node. More...

virtual dwStatus	getName (const char **name)=0
	Get the name of the node. More...

virtual size_t	getPassCount () const noexcept=0
	Get number of passes in the node. More...

virtual dwStatus	getPasses (VectorFixed< Pass * > &passList)=0
	Get all the passes in the node. More...

virtual dwStatus	getPasses (VectorFixed< Pass * > &passList, dwProcessorType processorType, dwProcessType processType)=0
	Get node passes filtered by processor type and process type. More...

virtual dwStatus	reportCurrentErrorSignal (dwGraphErrorSignal &signal)=0
	A function that allows user override to update error signal It is automatically called by dwFramework when getErrorSignal is called and when pass returns non-success return code. More...

virtual dwStatus	reportCurrentHealthSignal (dwGraphHealthSignal &signal)=0
	A function that allows user override to update health signal It is automatically called by dwFramework during teardown and when pass returns non-success return code. More...

virtual dwStatus	reset ()=0
	Resets the state of the node. More...

virtual dwStatus	run ()=0
	Runs all the passes in the node. More...

virtual dwStatus	runPass (size_t passIndex)=0
	Run one pass by index as defined by the pass descriptors. More...

virtual dwStatus	runPassByID (uint8_t passID)=0
	Run one pass by ID as defined by the PassList enum class. More...

virtual dwStatus	setInputChannel (ChannelObject *channel, uint8_t portID)=0
	Sets an input channel for this node with an accompanying port. More...

virtual dwStatus	setInputChannel (ChannelObject *channel, uint8_t portID, dwSerializationType dataType)=0
	Sets an input channel for this node with an accompanying port. More...

virtual dwStatus	setIterationCount (uint32_t iterationCount)=0
	Sets the node's iteration count. More...

virtual dwStatus	setName (const char *name)=0
	Set the name of the node. More...

virtual dwStatus	setOutputChannel (ChannelObject *channel, uint8_t portID)=0
	Sets an output channel for this node with an accompanying port. More...

virtual dwStatus	setState (const char *state)=0
	Set the current state in node. Node implementation of this API need to be thread-safe. More...

virtual dwStatus	validate ()=0
	Checks that all mandatory ports are bound. The implementation should validate that all the ports are bound to the appropriate channels (any required ports, that is). For example, a camera node may have processed output and raw output ports, but only one is required to be bound. More...

virtual	~Node ()=default

Static Public Attributes
static constexpr size_t	MAX_NAME_LEN = 128

static constexpr uint32_t	MAX_PASS_COUNT = 256

static constexpr uint32_t	MAX_PORT_COUNT = 256

static constexpr uint8_t	PASS_SETUP = std::numeric_limits<uint8_t>::max() - 1

static constexpr uint8_t	PASS_TEARDOWN = std::numeric_limits<uint8_t>::max()

Member Typedef Documentation

◆ Name_t

using dw::framework::Node::Name_t = FixedString<MAX_NAME_LEN>

Definition at line 67 of file Node.hpp.

Constructor & Destructor Documentation

◆ ~Node()

virtual dw::framework::Node::~Node ( )

virtualdefault

Member Function Documentation

◆ getErrorSignal()

virtual dwStatus dw::framework::Node::getErrorSignal ( dwGraphErrorSignal *& errorSignal )

pure virtual

Get the pointer to the error signal for this node.

Parameters

[out] errorSignal The error signal.

Returns: DW_SUCCESS

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ getHealthSignal()

virtual dwStatus dw::framework::Node::getHealthSignal	(	dwGraphHealthSignal *&	healthSignals,
		bool	updateFromModule = `false`
	)

pure virtual

Get the pointer to the health signal for this node.

Parameters

[out]	healthSignals	The health signal.
[in]	updateFromModule	fetch from module if set to true

Returns: DW_SUCCESS

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ getName()

virtual dwStatus dw::framework::Node::getName ( const char ** name )

pure virtual

Get the name of the node.

Parameters

name	The output name.

Returns: DW_SUCCESS, DW_INVALID_ARUGMENT

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ getPassCount()

virtual size_t dw::framework::Node::getPassCount ( ) const

pure virtualnoexcept

Get number of passes in the node.

Returns: The number of passes

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ getPasses() [1/2]

virtual dwStatus dw::framework::Node::getPasses ( VectorFixed< Pass * > & passList )

pure virtual

Get all the passes in the node.

Parameters

passList The output list to populate.

Returns: DW_SUCCESS, DW_INVALID_ARGUMENT

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ getPasses() [2/2]

virtual dwStatus dw::framework::Node::getPasses	(	VectorFixed< Pass * > &	passList,
		dwProcessorType	processorType,
		dwProcessType	processType
	)

pure virtual

Get node passes filtered by processor type and process type.

Parameters

passList	The output list to populate.
processorType	Filter by this processor type.
processType	Filter by this process type.

Returns: DW_SUCCESS, DW_INVALID_ARGUMENT

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ reportCurrentErrorSignal()

virtual dwStatus dw::framework::Node::reportCurrentErrorSignal ( dwGraphErrorSignal & signal )

pure virtual

A function that allows user override to update error signal It is automatically called by dwFramework when getErrorSignal is called and when pass returns non-success return code.

Parameters

[in,out] signal that the node owner modifies to store current health. It is pre-filled with the latest module health signal

Returns: DW_SUCCESS

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ reportCurrentHealthSignal()

virtual dwStatus dw::framework::Node::reportCurrentHealthSignal ( dwGraphHealthSignal & signal )

pure virtual

A function that allows user override to update health signal It is automatically called by dwFramework during teardown and when pass returns non-success return code.

Parameters

[in,out] signal that the node owner modifies to store current health. It is pre-filled with the latest module health signal

Returns: DW_SUCCESS

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ reset()

virtual dwStatus dw::framework::Node::reset ( )

pure virtual

Resets the state of the node.

Returns: DW_SUCCESS, DW_FAILURE

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, dw::framework::SimpleNode, and dw::framework::SimpleNodeT< T >.

◆ run()

virtual dwStatus dw::framework::Node::run ( )

pure virtual

Runs all the passes in the node.

Returns: DW_SUCCESS, DW_FAILURE

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ runPass()

virtual dwStatus dw::framework::Node::runPass ( size_t passIndex )

pure virtual

Run one pass by index as defined by the pass descriptors.

Parameters

passIndex The index of the pass to run.

Returns: DW_SUCCESS, DW_INVALID_ARGUMENT, DW_FAILURE

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ runPassByID()

virtual dwStatus dw::framework::Node::runPassByID ( uint8_t passID )

pure virtual

Run one pass by ID as defined by the PassList enum class.

Parameters

passID The ID of the pass to run.

Returns: DW_SUCCESS, DW_INVALID_ARGUMENT, DW_FAILURE

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ setInputChannel() [1/2]

virtual dwStatus dw::framework::Node::setInputChannel	(	ChannelObject *	channel,
		uint8_t	portID
	)

pure virtual

Sets an input channel for this node with an accompanying port.

Parameters

channel	The channel to bind to the portID.
portID	The port to bind the channel with.

Returns: DW_SUCCESS, DW_INVALID_ARGUMENT

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ setInputChannel() [2/2]

virtual dwStatus dw::framework::Node::setInputChannel	(	ChannelObject *	channel,
		uint8_t	portID,
		dwSerializationType	dataType
	)

pure virtual

Sets an input channel for this node with an accompanying port.

Parameters

channel	The channel to bind to the portID.
portID	The port to bind the channel with.
dataType	The type of data received by this node from the channel

Returns: DW_SUCCESS, DW_INVALID_ARGUMENT

Implemented in dw::framework::SimpleNode, dw::framework::ExceptionSafeProcessNode, and dw::framework::ExceptionSafeSensorNode.

◆ setIterationCount()

virtual dwStatus dw::framework::Node::setIterationCount ( uint32_t iterationCount )

pure virtual

Sets the node's iteration count.

Parameters

iterationCount The current iteration count

Returns: DW_SUCCESS

Implemented in dw::framework::SimpleNode, dw::framework::ExceptionSafeProcessNode, and dw::framework::ExceptionSafeSensorNode.

◆ setName()

virtual dwStatus dw::framework::Node::setName ( const char * name )

pure virtual

Set the name of the node.

Parameters

name	The name of the node.

Returns: DW_SUCCESS, DW_INVALID_ARGUMENT

Implemented in dw::framework::SimpleNode, dw::framework::ExceptionSafeProcessNode, and dw::framework::ExceptionSafeSensorNode.

◆ setOutputChannel()

virtual dwStatus dw::framework::Node::setOutputChannel	(	ChannelObject *	channel,
		uint8_t	portID
	)

pure virtual

Sets an output channel for this node with an accompanying port.

Parameters

channel	The channel to bind to the portID.
portID	The port to bind the channel with.

Returns: DW_SUCCESS, DW_INVALID_ARGUMENT

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ setState()

virtual dwStatus dw::framework::Node::setState ( const char * state )

pure virtual

Set the current state in node. Node implementation of this API need to be thread-safe.

Parameters

state The name of the new state which is about to start. The pointer is valid only for the runtime of the function and data should be stored with a deep copy.

Returns: DW_SUCCESS, DW_INVALID_ARGUMENT

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, and dw::framework::SimpleNode.

◆ validate()

virtual dwStatus dw::framework::Node::validate ( )

pure virtual

Checks that all mandatory ports are bound. The implementation should validate that all the ports are bound to the appropriate channels (any required ports, that is). For example, a camera node may have processed output and raw output ports, but only one is required to be bound.

Returns: DW_SUCCESS, DW_FAILURE

Implemented in dw::framework::ExceptionSafeProcessNode, dw::framework::ExceptionSafeSensorNode, dw::framework::SimpleNode, and dw::framework::SimpleNodeT< T >.

Member Data Documentation

◆ MAX_NAME_LEN

constexpr size_t dw::framework::Node::MAX_NAME_LEN = 128

staticconstexpr

Definition at line 66 of file Node.hpp.

◆ MAX_PASS_COUNT

constexpr uint32_t dw::framework::Node::MAX_PASS_COUNT = 256

staticconstexpr

Definition at line 71 of file Node.hpp.

◆ MAX_PORT_COUNT

constexpr uint32_t dw::framework::Node::MAX_PORT_COUNT = 256

staticconstexpr

Definition at line 69 of file Node.hpp.

◆ PASS_SETUP

constexpr uint8_t dw::framework::Node::PASS_SETUP = std::numeric_limits<uint8_t>::max() - 1

staticconstexpr

Definition at line 72 of file Node.hpp.

◆ PASS_TEARDOWN

constexpr uint8_t dw::framework::Node::PASS_TEARDOWN = std::numeric_limits<uint8_t>::max()

staticconstexpr

Definition at line 73 of file Node.hpp.

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

src/dwcgf/node/Node.hpp

Detailed Description

Public Types

Public Member Functions

Static Public Attributes

Member Typedef Documentation

◆ Name_t

Constructor & Destructor Documentation

◆ ~Node()

Member Function Documentation

◆ getErrorSignal()

◆ getHealthSignal()

◆ getName()

◆ getPassCount()

◆ getPasses() [1/2]

◆ getPasses() [2/2]

◆ reportCurrentErrorSignal()

◆ reportCurrentHealthSignal()

◆ reset()

◆ run()

◆ runPass()

◆ runPassByID()

◆ setInputChannel() [1/2]

◆ setInputChannel() [2/2]

◆ setIterationCount()

◆ setName()

◆ setOutputChannel()

◆ setState()

◆ validate()

Member Data Documentation

◆ MAX_NAME_LEN

◆ MAX_PASS_COUNT

◆ MAX_PORT_COUNT

◆ PASS_SETUP

◆ PASS_TEARDOWN