io.opentracing.contrib.spring.web.interceptor

Interface HandlerInterceptorSpanDecorator

public interface HandlerInterceptorSpanDecorator

SpanDecorator to decorate span at different stages in filter processing.

Author:

Pavol Loffay

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	HandlerInterceptorSpanDecorator.HandlerUtils Helper class for deriving tags/logs from handler object.

Field Summary

Fields

Modifier and Type	Field and Description
static HandlerInterceptorSpanDecorator	HANDLER_METHOD_OPERATION_NAME Use the handler's method name as the span's operation name.
static HandlerInterceptorSpanDecorator	STANDARD_LOGS Decorator to record details about the handler as log events recorded on the span.

Method Summary

Modifier and Type	Method and Description
void	onAfterCompletion(javax.servlet.http.HttpServletRequest httpServletRequest, javax.servlet.http.HttpServletResponse httpServletResponse, Object handler, Exception ex, io.opentracing.Span span) This is called in HandlerInterceptor.afterCompletion(HttpServletRequest, HttpServletResponse, Object, Exception)
void	onAfterConcurrentHandlingStarted(javax.servlet.http.HttpServletRequest httpServletRequest, javax.servlet.http.HttpServletResponse httpServletResponse, Object handler, io.opentracing.Span span) This is called in AsyncHandlerInterceptor.afterConcurrentHandlingStarted(HttpServletRequest, HttpServletResponse, Object)
void	onPreHandle(javax.servlet.http.HttpServletRequest httpServletRequest, Object handler, io.opentracing.Span span) This is called in HandlerInterceptor.preHandle(HttpServletRequest, HttpServletResponse, Object).

Field Detail

STANDARD_LOGS

static final HandlerInterceptorSpanDecorator STANDARD_LOGS

Decorator to record details about the handler as log events recorded on the span.

HANDLER_METHOD_OPERATION_NAME

static final HandlerInterceptorSpanDecorator HANDLER_METHOD_OPERATION_NAME

Use the handler's method name as the span's operation name.

Method Detail

onPreHandle

void onPreHandle(javax.servlet.http.HttpServletRequest httpServletRequest,
                 Object handler,
                 io.opentracing.Span span)

This is called in HandlerInterceptor.preHandle(HttpServletRequest, HttpServletResponse, Object).

Parameters:

httpServletRequest - request

handler - handler

span - current span

onAfterCompletion

void onAfterCompletion(javax.servlet.http.HttpServletRequest httpServletRequest,
                       javax.servlet.http.HttpServletResponse httpServletResponse,
                       Object handler,
                       Exception ex,
                       io.opentracing.Span span)

This is called in HandlerInterceptor.afterCompletion(HttpServletRequest, HttpServletResponse, Object, Exception)

Parameters:

httpServletRequest - request

httpServletResponse - response

handler - handler

ex - exception

span - current span

onAfterConcurrentHandlingStarted

void onAfterConcurrentHandlingStarted(javax.servlet.http.HttpServletRequest httpServletRequest,
                                      javax.servlet.http.HttpServletResponse httpServletResponse,
                                      Object handler,
                                      io.opentracing.Span span)

This is called in AsyncHandlerInterceptor.afterConcurrentHandlingStarted(HttpServletRequest, HttpServletResponse, Object)

Parameters:

httpServletRequest - request

httpServletResponse - response

handler - handler

span - current span