io.micronaut.tracing.interceptor

Class AbstractTraceInterceptor

java.lang.Object

io.micronaut.tracing.interceptor.AbstractTraceInterceptor

All Implemented Interfaces:

io.micronaut.aop.Interceptor<java.lang.Object,java.lang.Object>, io.micronaut.aop.MethodInterceptor<java.lang.Object,java.lang.Object>, io.micronaut.core.order.Ordered

Direct Known Subclasses:

ContinueSpanInterceptor, NewSpanTraceInterceptor

@Requires(beans=io.opentracing.Tracer.class)
public abstract class AbstractTraceInterceptor
extends java.lang.Object
implements io.micronaut.aop.MethodInterceptor<java.lang.Object,java.lang.Object>

Implements tracing logic for ContinueSpan and NewSpan using the Open Tracing API.

Since:

1.0

Author:

graemerocher

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	CLASS_TAG
protected static java.lang.String	HYSTRIX_ANNOTATION
static java.lang.String	METHOD_TAG
protected static java.lang.String	TAG_HYSTRIX_COMMAND
protected static java.lang.String	TAG_HYSTRIX_GROUP
protected static java.lang.String	TAG_HYSTRIX_THREAD_POOL
protected io.opentracing.Tracer	tracer

Fields inherited from interface io.micronaut.aop.Interceptor

ARGUMENT, CACHEABLE_LAZY_TARGET, HOTSWAP, LAZY, PROXY_TARGET

Fields inherited from interface io.micronaut.core.order.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractTraceInterceptor(io.opentracing.Tracer tracer) Initialize the interceptor with tracer and conversion service.

Method Summary

Modifier and Type	Method and Description
int	getOrder()
static void	logError(io.opentracing.Span span, java.lang.Throwable e) Logs an error to the span.
protected void	populateTags(io.micronaut.aop.MethodInvocationContext<java.lang.Object,java.lang.Object> context, java.util.Optional<java.lang.String> hystrixCommand, io.opentracing.Span span)
protected void	tagArguments(io.opentracing.Span span, io.micronaut.aop.MethodInvocationContext<java.lang.Object,java.lang.Object> context)

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.micronaut.aop.MethodInterceptor

intercept, intercept

Field Detail

CLASS_TAG

public static final java.lang.String CLASS_TAG

See Also:

Constant Field Values

METHOD_TAG

public static final java.lang.String METHOD_TAG

See Also:

Constant Field Values

TAG_HYSTRIX_COMMAND

protected static final java.lang.String TAG_HYSTRIX_COMMAND

See Also:

Constant Field Values

TAG_HYSTRIX_GROUP

protected static final java.lang.String TAG_HYSTRIX_GROUP

See Also:

Constant Field Values

TAG_HYSTRIX_THREAD_POOL

protected static final java.lang.String TAG_HYSTRIX_THREAD_POOL

See Also:

Constant Field Values

HYSTRIX_ANNOTATION

protected static final java.lang.String HYSTRIX_ANNOTATION

See Also:

Constant Field Values

tracer

protected final io.opentracing.Tracer tracer

Constructor Detail

AbstractTraceInterceptor

protected AbstractTraceInterceptor(io.opentracing.Tracer tracer)

Initialize the interceptor with tracer and conversion service.

Parameters:

tracer - for span creation and propagation across arbitrary transports

Method Detail

getOrder

public int getOrder()

Specified by:

getOrder in interface io.micronaut.core.order.Ordered

populateTags

protected final void populateTags(io.micronaut.aop.MethodInvocationContext<java.lang.Object,java.lang.Object> context,
                                  java.util.Optional<java.lang.String> hystrixCommand,
                                  io.opentracing.Span span)

logError

public static void logError(io.opentracing.Span span,
                            java.lang.Throwable e)

Logs an error to the span.

Parameters:

span - the span

e - the error

tagArguments

protected final void tagArguments(io.opentracing.Span span,
                                  io.micronaut.aop.MethodInvocationContext<java.lang.Object,java.lang.Object> context)