Class BlankSpan

java.lang.Object
io.opencensus.trace.Span
io.opencensus.trace.BlankSpan

@Immutable public final class BlankSpan extends Span
The BlankSpan is a singleton class, which is the default Span that is used when no Span implementation is available. All operations are no-op.

Used also to stop tracing, see Tracer.withSpan(io.opencensus.trace.Span).

Since:
0.5