Package com.couchbase.client.core.cnc.tracing

Class NoopRequestTracer

java.lang.Object

com.couchbase.client.core.cnc.tracing.NoopRequestTracer

All Implemented Interfaces:

RequestTracer

public class NoopRequestTracer
extends Object
implements RequestTracer

A simple NOOP implementation of the tracer, useful if tracing needs to be disabled completely.

Field Summary

Fields

Modifier and Type	Field	Description
static final NoopRequestTracer	INSTANCE	Returns the static instance of this tracer.

Method Summary

Modifier and Type	Method	Description
RequestSpan	requestSpan(String operationName, RequestSpan parent)	Creates a new request span with or without a parent.
Mono<Void>	start()	Starts the tracer if it hasn't been started, might be a noop depending on the implementation.
Mono<Void>	stop(Duration timeout)	Stops the tracer if it has been started previously, might be a noop depending on the implementation.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

INSTANCE

public static final NoopRequestTracer INSTANCE

Returns the static instance of this tracer.

Method Details

start

public Mono<Void> start()

Description copied from interface: RequestTracer

Starts the tracer if it hasn't been started, might be a noop depending on the implementation.

Specified by:

start in interface RequestTracer

stop

public Mono<Void> stop(Duration timeout)

Description copied from interface: RequestTracer

Stops the tracer if it has been started previously, might be a noop depending on the implementation.

Specified by:

stop in interface RequestTracer

requestSpan

public RequestSpan requestSpan(String operationName,
 RequestSpan parent)

Description copied from interface: RequestTracer

Creates a new request span with or without a parent.

Specified by:

requestSpan in interface RequestTracer

Parameters:

operationName - the name of the toplevel operation (i.e. "cb.get")

parent - a parent, if no parent is used supply null.

Returns:

a request span that wraps the actual tracer implementation span.

toString

public String toString()

Overrides:

toString in class Object