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PerformanceMonitorInterceptor (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 PerformanceMonitorInterceptor

java.lang.Object
  org.springframework.aop.interceptor.AbstractTraceInterceptor
      org.springframework.aop.interceptor.AbstractMonitoringInterceptor
          org.springframework.aop.interceptor.PerformanceMonitorInterceptor

All Implemented Interfaces:

Serializable, Advice, Interceptor, MethodInterceptor

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public class PerformanceMonitorInterceptor
extends AbstractMonitoringInterceptor

Simple AOP Alliance MethodInterceptor for performance monitoring. This interceptor has no effect on the intercepted method call.

Uses a StopWatch for the actual performance measuring.

Author:

Rod Johnson, Dmitriy Kopylenko, Rob Harrop

See Also:

StopWatch, JamonPerformanceMonitorInterceptor, Serialized Form

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Field Summary

 

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

 

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

 

Method Summary
protected  Object	invokeUnderTrace(MethodInvocation invocation, Log logger)           Subclasses must override this method to perform any tracing around the supplied MethodInvocation.

 

Methods inherited from class org.springframework.aop.interceptor.AbstractMonitoringInterceptor
createInvocationTraceName, getPrefix, getSuffix, setPrefix, setSuffix

 

Methods inherited from class org.springframework.aop.interceptor.AbstractTraceInterceptor
getLoggerForInvocation, invoke, 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

PerformanceMonitorInterceptor

public PerformanceMonitorInterceptor()

Create a new PerformanceMonitorInterceptor with a static logger.

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PerformanceMonitorInterceptor

public PerformanceMonitorInterceptor(boolean useDynamicLogger)

Create a new PerformanceMonitorInterceptor with a 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

invokeUnderTrace

protected Object invokeUnderTrace(MethodInvocation invocation,
                                  Log logger)
                           throws Throwable

Description copied from class: AbstractTraceInterceptor

Subclasses must override this method to perform any tracing around the supplied MethodInvocation. Subclasses are responsible for ensuring that the MethodInvocation actually executes by calling MethodInvocation.proceed().

By default, the passed-in Log instance will have log level "trace" enabled. Subclasses do not have to check for this again, unless they overwrite the isInterceptorEnabled method to modify the default behavior.

Specified by:

invokeUnderTrace in class AbstractTraceInterceptor

logger - the Log to write trace messages to

Returns:

the result of the call to MethodInvocation.proceed()

Throws:

Throwable - if the call to MethodInvocation.proceed() encountered any errors

See Also:

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

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