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

The Spring Framework

org.springframework.aop.support
Class AbstractExpressionPointcut

java.lang.Object
  extended by org.springframework.aop.support.AbstractExpressionPointcut
All Implemented Interfaces:
Serializable, Pointcut, ExpressionPointcut
Direct Known Subclasses:
AspectJExpressionPointcut

public abstract class AbstractExpressionPointcut
extends Object
implements ExpressionPointcut, Serializable

Abstract superclass for expression pointcuts, offering location and expression properties.

Since:
2.0
Author:
Rod Johnson, Rob Harrop
See Also:
setLocation(java.lang.String), setExpression(java.lang.String), Serialized Form

Field Summary
 
Fields inherited from interface org.springframework.aop.Pointcut
TRUE
 
Constructor Summary
AbstractExpressionPointcut()
           
 
Method Summary
 String getExpression()
          Return this pointcut's expression.
 String getLocation()
          Return location information about the pointcut expression if available.
protected  void onSetExpression(String expression)
          Called when a new pointcut expression is set.
 void setExpression(String expression)
           
 void setLocation(String location)
          Set the location for debugging.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface org.springframework.aop.Pointcut
getClassFilter, getMethodMatcher
 

Constructor Detail

AbstractExpressionPointcut

public AbstractExpressionPointcut()
Method Detail

setLocation

public void setLocation(String location)
Set the location for debugging.


getLocation

public String getLocation()
Return location information about the pointcut expression if available. This is useful in debugging.

Returns:
location information as a human-readable String, or null if none is available

setExpression

public void setExpression(String expression)

onSetExpression

protected void onSetExpression(String expression)
                        throws IllegalArgumentException
Called when a new pointcut expression is set. The expression should be parsed at this point if possible.

This implementation is empty.

Parameters:
expression - expression to set
Throws:
IllegalArgumentException - if the expression is invalid
See Also:
setExpression(java.lang.String)

getExpression

public String getExpression()
Return this pointcut's expression.

Specified by:
getExpression in interface ExpressionPointcut

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