Interface SpanProcessor

SpanProcessor is the interface Tracer SDK uses to allow synchronous hooks for when a Span is started or when a Span is ended.

interface SpanProcessor {
    forceFlush(): Promise<void>;
    onEnd(span: ReadableSpan): void;
    onStart(span: Span, parentContext: Context): void;
    shutdown(): Promise<void>;
}

Implemented by

Methods

forceFlush onEnd onStart shutdown

Methods

forceFlush

  • forceFlush(): Promise<void>

    Forces to export all finished spans

    Returns Promise<void>

onEnd

  • onEnd(span: ReadableSpan): void

    Called when a ReadableSpan is ended, if the span.isRecording() returns true.

    Parameters

    Returns void

onStart

  • onStart(span: Span, parentContext: Context): void

    Called when a Span is started, if the span.isRecording() returns true.

    Parameters

    • span: Span

      the Span that just started.

    • parentContext: Context

    Returns void

shutdown

  • shutdown(): Promise<void>

    Shuts down the processor. Called when SDK is shut down. This is an opportunity for processor to do any cleanup required.

    Returns Promise<void>

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