org.apache.skywalking.apm.plugin.pulsar.common

Class PulsarConsumerInterceptor

java.lang.Object

org.apache.skywalking.apm.plugin.pulsar.common.PulsarConsumerInterceptor

All Implemented Interfaces:

InstanceMethodsAroundInterceptor

public class PulsarConsumerInterceptor
extends Object
implements InstanceMethodsAroundInterceptor

Interceptor for pulsar consumer enhanced instance

Here is the intercept process steps:

  1. Record the service url, topic name and subscription name through this(ConsumerImpl)
  2. Create the entry span when call messageProcessed method
  3. Extract all the Trace Context when call messageProcessed method
  4. Capture trace context and set into SkyWalkingDynamic field if consumer has a message listener when messageProcessed method finished
  5. Stop the entry span.
 

Field Summary

Fields

Modifier and Type	Field and Description
static String	CONSUMER_OPERATE_NAME
static String	OPERATE_NAME_PREFIX

Constructor Summary

Constructors

Constructor and Description
PulsarConsumerInterceptor()

Method Summary

Modifier and Type	Method and Description
Object	afterMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, Object ret)
void	beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, MethodInterceptResult result)
void	handleMethodException(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, Throwable t)

Methods inherited from class java.lang.Object

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

Field Detail

OPERATE_NAME_PREFIX

public static final String OPERATE_NAME_PREFIX

See Also:

Constant Field Values

CONSUMER_OPERATE_NAME

public static final String CONSUMER_OPERATE_NAME

See Also:

Constant Field Values

Constructor Detail

PulsarConsumerInterceptor

public PulsarConsumerInterceptor()

Method Detail

beforeMethod

public void beforeMethod(EnhancedInstance objInst,
                         Method method,
                         Object[] allArguments,
                         Class<?>[] argumentsTypes,
                         MethodInterceptResult result)
                  throws Throwable

Specified by:

beforeMethod in interface InstanceMethodsAroundInterceptor

Throws:

Throwable

afterMethod

public Object afterMethod(EnhancedInstance objInst,
                          Method method,
                          Object[] allArguments,
                          Class<?>[] argumentsTypes,
                          Object ret)
                   throws Throwable

Specified by:

afterMethod in interface InstanceMethodsAroundInterceptor

Throws:

Throwable

handleMethodException

public void handleMethodException(EnhancedInstance objInst,
                                  Method method,
                                  Object[] allArguments,
                                  Class<?>[] argumentsTypes,
                                  Throwable t)

Specified by:

handleMethodException in interface InstanceMethodsAroundInterceptor