org.springframework.cloud.sleuth.zipkin

Class HttpZipkinSpanReporter

java.lang.Object

org.springframework.cloud.sleuth.zipkin.HttpZipkinSpanReporter

All Implemented Interfaces:

Closeable, Flushable, AutoCloseable, ZipkinSpanReporter

public final class HttpZipkinSpanReporter
extends Object
implements ZipkinSpanReporter, Flushable, Closeable

Submits spans using Zipkin's POST /spans endpoint.

Since:

1.0.0

Author:

Adrian Cole

Constructor Summary

Constructors

Constructor and Description
HttpZipkinSpanReporter(org.springframework.web.client.RestTemplate restTemplate, String baseUrl, int flushInterval, SpanMetricReporter spanMetricReporter)

Method Summary

Modifier and Type	Method and Description
void	close() Blocks until in-flight spans are sent and drops any that are left pending.
void	flush() Calling this will flush any pending spans to the http transport on the current thread.
void	report(zipkin.Span span) Queues the span for collection, or drops it if the queue is full.

Methods inherited from class java.lang.Object

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

Constructor Detail

HttpZipkinSpanReporter

public HttpZipkinSpanReporter(org.springframework.web.client.RestTemplate restTemplate,
                              String baseUrl,
                              int flushInterval,
                              SpanMetricReporter spanMetricReporter)

Parameters:

restTemplate - RestTemplate used for sending requests to Zipkin

baseUrl - URL of the zipkin query server instance. Like: http://localhost:9411/

flushInterval - in seconds. 0 implies spans are flushed externally.

spanMetricReporter - service to count number of accepted / dropped spans

Method Detail

report

public void report(zipkin.Span span)

Queues the span for collection, or drops it if the queue is full.

Specified by:

report in interface ZipkinSpanReporter

Parameters:

span - Span, should not be null.

flush

public void flush()

Calling this will flush any pending spans to the http transport on the current thread.

Specified by:

flush in interface Flushable

close

public void close()

Blocks until in-flight spans are sent and drops any that are left pending.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable