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DebugInterceptor (Spring Framework API 2.0) - Spring Framework 2.0.5 API 文档英文版

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org.springframework.aop.interceptor
Class DebugInterceptor

java.lang.Object
  org.springframework.aop.interceptor.AbstractTraceInterceptor
      org.springframework.aop.interceptor.SimpleTraceInterceptor
          org.springframework.aop.interceptor.DebugInterceptor

All Implemented Interfaces:

Serializable, Advice, Interceptor, MethodInterceptor

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public class DebugInterceptor
extends SimpleTraceInterceptor

AOP Alliance MethodInterceptor that can be introduced in a chain to display verbose information about intercepted invocations to the logger.

Logs full invocation details on method entry and method exit, including invocation arguments and invocation count. This is only intended for debugging purposes; use SimpleTraceInterceptor or CustomizableTraceInterceptor for pure tracing purposes.

Author:

Rod Johnson, Juergen Hoeller

See Also:

SimpleTraceInterceptor, CustomizableTraceInterceptor, Serialized Form

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Field Summary

 

Fields inherited from class org.springframework.aop.interceptor.AbstractTraceInterceptor
defaultLogger

 

Constructor Summary
DebugInterceptor()           Create a new DebugInterceptor with a static logger.
DebugInterceptor(boolean useDynamicLogger)           Create a new DebugInterceptor with dynamic or static logger, according to the given flag.

 

Method Summary
long	getCount()           Return the number of times this interceptor has been invoked.
protected  String	getInvocationDescription(MethodInvocation invocation)           Return a description for the given method invocation.
Object	invoke(MethodInvocation invocation)           Determines whether or not logging is enabled for the particular MethodInvocation.
void	resetCount()           Reset the invocation count to zero.

 

Methods inherited from class org.springframework.aop.interceptor.SimpleTraceInterceptor
invokeUnderTrace

 

Methods inherited from class org.springframework.aop.interceptor.AbstractTraceInterceptor
getLoggerForInvocation, isInterceptorEnabled, isLogEnabled, setHideProxyClassNames, setLoggerName, setUseDynamicLogger

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Constructor Detail

DebugInterceptor

public DebugInterceptor()

Create a new DebugInterceptor with a static logger.

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DebugInterceptor

public DebugInterceptor(boolean useDynamicLogger)

Create a new DebugInterceptor with dynamic or static logger, according to the given flag.

Parameters:

useDynamicLogger - whether to use a dynamic logger or a static logger

See Also:

AbstractTraceInterceptor.setUseDynamicLogger(boolean)

Method Detail

invoke

public Object invoke(MethodInvocation invocation)
              throws Throwable

Description copied from class: AbstractTraceInterceptor

Determines whether or not logging is enabled for the particular MethodInvocation. If not, the method invocation proceeds as normal, otherwise the method invocation is passed to the invokeUnderTrace method for handling.

Specified by:

invoke in interface MethodInterceptor

Overrides:

invoke in class AbstractTraceInterceptor

Throws:

Throwable

See Also:

AbstractTraceInterceptor.invokeUnderTrace(org.aopalliance.intercept.MethodInvocation, org.apache.commons.logging.Log)

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getInvocationDescription

protected String getInvocationDescription(MethodInvocation invocation)

Description copied from class: SimpleTraceInterceptor

Return a description for the given method invocation.

Overrides:

getInvocationDescription in class SimpleTraceInterceptor

Parameters:

invocation - the invocation to describe

Returns:

the description

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getCount

public long getCount()

Return the number of times this interceptor has been invoked.

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resetCount

public void resetCount()

Reset the invocation count to zero.

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