Vertica::UDXObjectCancelable Class Reference

Inheritance diagram for Vertica::UDXObjectCancelable:

Collaboration diagram for Vertica::UDXObjectCancelable:

Public Member Functions
virtual void	cancel (ServerInterface &srvInterface)
virtual void	destroy (ServerInterface &srvInterface, const SizedColumnTypes &argTypes)
virtual void	destroy (ServerInterface &srvInterface, const SizedColumnTypes &argTypes, SessionParamWriterMap &udSessionParams)
bool	isCanceled ()
virtual void	setup (ServerInterface &srvInterface, const SizedColumnTypes &argTypes)

Protected Attributes
volatile bool	canceled

Member Function Documentation

virtual void Vertica::UDXObjectCancelable::cancel ( ServerInterface &  srvInterface )

inlinevirtual

This function is invoked from a different thread when the execution is canceled This baseclass cancel should be called in any override.

virtual void Vertica::UDXObject::destroy ( ServerInterface &  srvInterface, const SizedColumnTypes &  argTypes  )

inlinevirtualinherited

Perform per instance destruction. This function may throw errors

virtual void Vertica::UDXObject::destroy ( ServerInterface &  srvInterface, const SizedColumnTypes &  argTypes, SessionParamWriterMap &  udSessionParams  )

inlinevirtualinherited

Perform per instance destruction and write session parameters to be used by UDxs that are invoked after this one returns. This function may throw errors

bool Vertica::UDXObjectCancelable::isCanceled ( )

inline

Returns true if execution was canceled.

virtual void Vertica::UDXObject::setup ( ServerInterface &  srvInterface, const SizedColumnTypes &  argTypes  )

inlinevirtualinherited

Perform per instance initialization. This function may throw errors.