Class ObservableInstrument

• Defined in File async_instruments.h

Inheritance Relationships

Derived Types

• public opentelemetry::metrics::NoopObservableInstrument (Class NoopObservableInstrument)

• public opentelemetry::sdk::metrics::ObservableInstrument (Class ObservableInstrument)

Class Documentation

class ObservableInstrument

Subclassed by opentelemetry::metrics::NoopObservableInstrument, opentelemetry::sdk::metrics::ObservableInstrument

Public Functions

ObservableInstrument() = default

virtual ~ObservableInstrument() = default

virtual void AddCallback(ObservableCallbackPtr, void *state) noexcept = 0

Sets up a function that will be called whenever a metric collection is initiated.

virtual void RemoveCallback(ObservableCallbackPtr, void *state) noexcept = 0

Remove a function that was configured to be called whenever a metric collection is initiated.