Package org.springframework.cloud.sleuth

Interface Summary

Interface	Description
Sampler	Extremely simple callback to determine the frequency that an action should be traced.
SpanAccessor	Strategy for accessing the current span.
SpanContext	Adopted from: https://github.com/opentracing/opentracing-java/blob/0.16.0/opentracing-api/src/main/java/io/opentracing/SpanContext.java SpanContext represents Span state that must propagate to descendant Spans and across process boundaries.
SpanExtractor<T>	Adopted from OpenTracing
SpanInjector<T>	Adopted from OpenTracing
SpanNamer	Describes how for a given object a span should be named.
SpanReporter	Contract for reporting Sleuth spans for collection.
SpanTextMap	Adopted from: https://github.com/opentracing/opentracing-java/blob/0.16.0/opentracing-api/src/main/java/io/opentracing/propagation/TextMap.java TextMap is a built-in carrier for SpanInjector and SpanExtractor.
Tracer	The Tracer class is the primary way for instrumentation code (note user code) to interact with the library.

Class Summary

Class	Description
DefaultSpanNamer	Default implementation of SpanNamer that tries to get the span name as follows: from the @SpanName annotation if one is present from the toString() of the delegate if it's not the default Object.toString() the default provided value
Log	Represents an event in time associated with a span.
NoOpSpanReporter	Span reporter that does nothing
Span	Class for gathering and reporting statistics about a block of execution.
Span.SpanBuilder
TraceCallable<V>	Callable that passes Span between threads.
TraceKeys	Well-known span tag keys.
TraceKeys.Async	Trace keys related to async processing
TraceKeys.Http
TraceKeys.Hystrix	Trace keys related to Hystrix processing
TraceKeys.Message
TraceKeys.Message.Payload
TraceKeys.Mvc	Trace keys related to MVC controller tags
TraceRunnable	Runnable that passes Span between threads.

Annotation Types Summary

Annotation Type	Description
SpanName	Annotation to provide the name for the span.