org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance

Interface InstanceMethodsAroundInterceptor

public interface InstanceMethodsAroundInterceptor

A interceptor, which intercept method's invocation. The target methods will be defined in ClassEnhancePluginDefine's subclass, most likely in ClassInstanceMethodsEnhancePluginDefine

Author:

wusheng

Method Summary

Modifier and Type	Method and Description
Object	afterMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, Object ret) called after target method invocation.
void	beforeMethod(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, MethodInterceptResult result) called before target method invocation.
void	handleMethodException(EnhancedInstance objInst, Method method, Object[] allArguments, Class<?>[] argumentsTypes, Throwable t) called when occur exception.

Method Detail

beforeMethod

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

called before target method invocation.

Parameters:

result - change this result, if you want to truncate the method.

Throws:

Throwable

afterMethod

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

called after target method invocation. Even method's invocation triggers an exception.

Parameters:

method -

ret - the method's original return value.

Returns:

the method's actual return value.

Throws:

Throwable

handleMethodException

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

called when occur exception.

Parameters:

method -

t - the exception occur.