dfx::Graph::ConnectionValidator Class Reference

Class used to validate is a channel can be created between 2 ports. More...

#include <dfx-graph/ConnectionValidator.hpp>

Public Member Functions
bool	isVerificationEnabled () const noexcept
	Whether channel verification is enabled.
void	setChannelVerification (bool enabled)
	Enable/disable channel verification.
ValidationResult< void >	checkConnection (Core::OutputPort const &src, Core::InputPort const &dst, std::size_t errorLimit=0)
	Validates whether a logical connection can be established between two local ports.

Detailed Description

Class used to validate is a channel can be created between 2 ports.

By default, channel creation is verified (setChannelVerification() and Graph channel verification (kind + mime-type compatibility)). Verification rejects connections that are incompatible by:

• port kind mismatch (input/output kind),
• mime-type incompatibilities, including propagation constraints.

The verification logic is intentionally conservative: when ports declare any mime-type, the controller can infer possible mime-types by walking existing connections and applying propagation rules (node-level and port-level).

Member Function Documentation

checkConnection()

ValidationResult< void > dfx::Graph::ConnectionValidator::checkConnection	(	Core::OutputPort const &	src,
		Core::InputPort const &	dst,
		std::size_t	errorLimit = 0 )

Validates whether a logical connection can be established between two local ports.

This function performs a comprehensive compatibility check described in Graph channel verification (kind + mime-type compatibility)

Parameters

src	The source output port.
dst	The destination input port.
errorLimit	The maximum number of errors to collect before stopping. A value of 0 indicates that all detected errors should be returned.

Returns

A ValidationResult<void> which is:

• Valid (holds no value) if the ports are compatible.
• Invalid (holds a std::vector<std::string>) if conflicts were found, containing descriptions of why the connection is impossible.

isVerificationEnabled()

bool dfx::Graph::ConnectionValidator::isVerificationEnabled ( ) const

inlinenoexcept

Whether channel verification is enabled.

setChannelVerification()

void dfx::Graph::ConnectionValidator::setChannelVerification ( bool enabled )

inline

Enable/disable channel verification.

When disabled, checkConnection() skips compatibility checks entirely. This is mainly intended for debugging or for scenarios where compatibility is enforced elsewhere.

See also

Graph channel verification (kind + mime-type compatibility)

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

• lib/dfx-graph/ConnectionValidator.hpp