NewAPIServer creates a new API server - params are injected dependencies.

NewFnSpan returns a new FnSpan which wraps the specified Span.

NewFnTracer returns a new FnTracer which wraps the specified Tracer.

NewInternalFlowService creates a new flow service for a given graph API.

NewPrometheusCollector returns a new PrometheusCollector.

FnSpan is a custom Span that wraps another span which adds some extra behaviour required for sending tracing spans to prometheus.

FnTracer is a custom Tracer which wraps another another tracer its main purpose is to wrap the underlying Span in a FnSpan, which adds some extra behaviour required for sending tracing spans to prometheus.

InternalServer handles the node-local service (servicing graphs on this node only).

PrometheusCollector is a custom Collector which sends ZipKin traces to Prometheus.

Server is the flow service root.