Class: OpenTelemetryOutboundInterceptor

opentelemetry.OpenTelemetryOutboundInterceptor

Intercepts outbound calls to schedule an Activity

Wraps the operation in an opentelemetry Span and passes it to the Activity via headers.

Implements

• WorkflowOutboundCallsInterceptor

Constructors

constructor

• new OpenTelemetryOutboundInterceptor(): OpenTelemetryOutboundInterceptor

Returns

OpenTelemetryOutboundInterceptor

Methods

continueAsNew

▸ continueAsNew(input, next): Promise<never>

Called when Workflow calls continueAsNew

Parameters

Name	Type
input	ContinueAsNewInput
next	OmitLastParam<(input: ContinueAsNewInput, next: OmitLastParam<(input: ContinueAsNewInput, next: OmitLastParam<...>) => Promise<never>>) => Promise<never>>

Returns

Promise<never>

Implementation of

WorkflowOutboundCallsInterceptor.continueAsNew

---

getLogAttributes

▸ getLogAttributes(input, next): Record<string, unknown>

Called on each invocation of the workflow.log methods.

The attributes returned in this call are attached to every log message.

Parameters

Name	Type
input	GetLogAttributesInput
next	OmitLastParam<(input: GetLogAttributesInput, next: OmitLastParam<(input: GetLogAttributesInput, next: OmitLastParam<...>) => Record<string, unknown>>) => Record<string, unknown>>

Returns

Record<string, unknown>

Implementation of

WorkflowOutboundCallsInterceptor.getLogAttributes

---

scheduleActivity

▸ scheduleActivity(input, next): Promise<unknown>

Called when Workflow schedules an Activity

Parameters

Name	Type
input	ActivityInput
next	OmitLastParam<(input: ActivityInput, next: OmitLastParam<(input: ActivityInput, next: OmitLastParam<...>) => Promise<unknown>>) => Promise<unknown>>

Returns

Promise<unknown>

result of the activity execution

Implementation of

WorkflowOutboundCallsInterceptor.scheduleActivity

---

signalWorkflow

▸ signalWorkflow(input, next): Promise<void>

Called when Workflow signals a child or external Workflow

Parameters

Name	Type
input	SignalWorkflowInput
next	OmitLastParam<(input: SignalWorkflowInput, next: OmitLastParam<(input: SignalWorkflowInput, next: OmitLastParam<...>) => Promise<void>>) => Promise<void>>

Returns

Promise<void>

Implementation of

WorkflowOutboundCallsInterceptor.signalWorkflow

---

startChildWorkflowExecution

▸ startChildWorkflowExecution(input, next): Promise<[Promise<string>, Promise<unknown>]>

Called when Workflow starts a child workflow execution, the interceptor function returns 2 promises:

• The first resolves with the runId when the child workflow has started or rejects if failed to start.
• The second resolves with the workflow result when the child workflow completes or rejects on failure.

Parameters

Name	Type
input	StartChildWorkflowExecutionInput
next	OmitLastParam<(input: StartChildWorkflowExecutionInput, next: OmitLastParam<(input: StartChildWorkflowExecutionInput, next: OmitLastParam<...>) => Promise<[Promise<string>, Promise<unknown>]>>) => Promise<[Promise<string>, Promise<unknown>]>>

Returns

Promise<[Promise<string>, Promise<unknown>]>

Implementation of

WorkflowOutboundCallsInterceptor.startChildWorkflowExecution