Interface IRequestTracker

A request tracker with triggerd events for Session and Node lvel requests.

Namespace: Cassandra

Assembly: Cassandra.dll

Syntax

public interface IRequestTracker

Methods

OnErrorAsync(SessionRequestInfo, Exception)

Triggered when the session level request finishes unsuccessfully.

Declaration

Task OnErrorAsync(SessionRequestInfo sessionRequestInfo, Exception ex)

Parameters

Type	Name	Description
SessionRequestInfo	sessionRequestInfo	Request contextual information.
Exception	ex	Request exception.

Returns

Type	Description
Task	Contextual task.

OnNodeAborted(SessionRequestInfo, NodeRequestInfo)

Triggered when the node request is aborted (e.g. pending speculative execution that was canceled due to another execution completing).

Declaration

Task OnNodeAborted(SessionRequestInfo sessionRequestInfo, NodeRequestInfo nodeRequestInfo)

Parameters

Type	Name	Description
SessionRequestInfo	sessionRequestInfo	SessionRequestInfo object with contextual information.
NodeRequestInfo	nodeRequestInfo	Struct with host contextual information.

Returns

Type	Description
Task	Contextual task.

OnNodeErrorAsync(SessionRequestInfo, NodeRequestInfo, Exception)

Triggered when the node request finishes unsuccessfully.

Declaration

Task OnNodeErrorAsync(SessionRequestInfo sessionRequestInfo, NodeRequestInfo nodeRequestInfo, Exception ex)

Parameters

Type	Name	Description
SessionRequestInfo	sessionRequestInfo	SessionRequestInfo object with contextual information.
NodeRequestInfo	nodeRequestInfo	Struct with host contextual information.
Exception	ex	Exception information.

Returns

Type	Description
Task	Contextual task.

OnNodeStartAsync(SessionRequestInfo, NodeRequestInfo)

Triggered when the node request starts.

Declaration

Task OnNodeStartAsync(SessionRequestInfo sessionRequestInfo, NodeRequestInfo nodeRequestInfo)

Parameters

Type	Name	Description
SessionRequestInfo	sessionRequestInfo	SessionRequestInfo object with contextual information.
NodeRequestInfo	nodeRequestInfo	Struct with host contextual information.

Returns

Type	Description
Task	Contextual task.

OnNodeSuccessAsync(SessionRequestInfo, NodeRequestInfo)

Triggered when the node level request finishes successfully.

Declaration

Task OnNodeSuccessAsync(SessionRequestInfo sessionRequestInfo, NodeRequestInfo nodeRequestInfo)

Parameters

Type	Name	Description
SessionRequestInfo	sessionRequestInfo	Request contextual information.
NodeRequestInfo	nodeRequestInfo	Struct with host contextual information.

Returns

Type	Description
Task	Contextual task.

OnStartAsync(SessionRequestInfo)

Triggered when the request starts.

Declaration

Task OnStartAsync(SessionRequestInfo sessionRequestInfo)

Parameters

Type	Name	Description
SessionRequestInfo	sessionRequestInfo

Returns

Type	Description
Task	Contextual task.

OnSuccessAsync(SessionRequestInfo)

Triggered when the session level request finishes successfully.

Declaration

Task OnSuccessAsync(SessionRequestInfo sessionRequestInfo)

Parameters

Type	Name	Description
SessionRequestInfo	sessionRequestInfo

Returns

Type	Description
Task	Contextual task.