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ComposablePointcut (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.aop.support
Class ComposablePointcut

java.lang.Object
  org.springframework.aop.support.ComposablePointcut

All Implemented Interfaces:

Serializable, Pointcut

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public class ComposablePointcut
extends Object
implements Pointcut, Serializable

Convenient class for building up pointcuts. All methods return ComposablePointcut, so we can use a concise idiom like: Pointcut pc = new ComposablePointcut().union(classFilter).intersection(methodMatcher).intersection(pointcut);

Since:

11.11.2003

Author:

Rod Johnson, Juergen Hoeller, Rob Harrop

See Also:

Pointcuts, Serialized Form

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Field Summary

 

Fields inherited from interface org.springframework.aop.Pointcut
TRUE

 

Constructor Summary
ComposablePointcut()           Create a default ComposablePointcut, with ClassFilter.TRUE and MethodMatcher.TRUE.
ComposablePointcut(ClassFilter classFilter)           Create a ComposablePointcut for the given ClassFilter, with MethodMatcher.TRUE.
ComposablePointcut(ClassFilter classFilter, MethodMatcher methodMatcher)           Create a ComposablePointcut for the given ClassFilter and MethodMatcher.
ComposablePointcut(MethodMatcher methodMatcher)           Create a ComposablePointcut for the given MethodMatcher, with ClassFilter.TRUE.
ComposablePointcut(Pointcut pointcut)           Create a ComposablePointcut based on the given Pointcut.

 

Method Summary
boolean	equals(Object other)
ClassFilter	getClassFilter()           Return the ClassFilter for this pointcut.
MethodMatcher	getMethodMatcher()           Return the MethodMatcher for this pointcut.
int	hashCode()
ComposablePointcut	intersection(ClassFilter other)           Apply an intersection with the given ClassFilter.
ComposablePointcut	intersection(MethodMatcher other)           Apply an intersection with the given MethodMatcher.
ComposablePointcut	intersection(Pointcut other)           Apply an intersection with the given Pointcut.
String	toString()
ComposablePointcut	union(ClassFilter other)           Apply a union with the given ClassFilter.
ComposablePointcut	union(MethodMatcher other)           Apply a union with the given MethodMatcher.
ComposablePointcut	union(Pointcut other)           Apply a union with the given Pointcut.

 

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

 

Constructor Detail

ComposablePointcut

public ComposablePointcut()

Create a default ComposablePointcut, with ClassFilter.TRUE and MethodMatcher.TRUE.

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ComposablePointcut

public ComposablePointcut(Pointcut pointcut)

Create a ComposablePointcut based on the given Pointcut.

Parameters:

pointcut - the original Pointcut

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ComposablePointcut

public ComposablePointcut(ClassFilter classFilter)

Create a ComposablePointcut for the given ClassFilter, with MethodMatcher.TRUE.

Parameters:

classFilter - the ClassFilter to use

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ComposablePointcut

public ComposablePointcut(MethodMatcher methodMatcher)

Create a ComposablePointcut for the given MethodMatcher, with ClassFilter.TRUE.

Parameters:

methodMatcher - the MethodMatcher to use

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ComposablePointcut

public ComposablePointcut(ClassFilter classFilter,
                          MethodMatcher methodMatcher)

Create a ComposablePointcut for the given ClassFilter and MethodMatcher.

Parameters:

classFilter - the ClassFilter to use

methodMatcher - the MethodMatcher to use

Method Detail

union

public ComposablePointcut union(ClassFilter other)

Apply a union with the given ClassFilter.

Parameters:

other - the ClassFilter to apply a union with

Returns:

this composable pointcut (for call chaining)

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intersection

public ComposablePointcut intersection(ClassFilter other)

Apply an intersection with the given ClassFilter.

Parameters:

other - the ClassFilter to apply an intersection with

Returns:

this composable pointcut (for call chaining)

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union

public ComposablePointcut union(MethodMatcher other)

Apply a union with the given MethodMatcher.

Parameters:

other - the MethodMatcher to apply a union with

Returns:

this composable pointcut (for call chaining)

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intersection

public ComposablePointcut intersection(MethodMatcher other)

Apply an intersection with the given MethodMatcher.

Parameters:

other - the MethodMatcher to apply an intersection with

Returns:

this composable pointcut (for call chaining)

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union

public ComposablePointcut union(Pointcut other)

Apply a union with the given Pointcut.

Note that for a Pointcut union, methods will only match if their original ClassFilter (from the originating Pointcut) matches as well. MethodMatchers and ClassFilters from different Pointcuts will never get interleaved with each other.

Parameters:

other - the Pointcut to apply a union with

Returns:

this composable pointcut (for call chaining)

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intersection

public ComposablePointcut intersection(Pointcut other)

Apply an intersection with the given Pointcut.

Parameters:

other - the Pointcut to apply an intersection with

Returns:

this composable pointcut (for call chaining)

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getClassFilter

public ClassFilter getClassFilter()

Description copied from interface: Pointcut

Return the ClassFilter for this pointcut.

Specified by:

getClassFilter in interface Pointcut

Returns:

the ClassFilter (never null)

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getMethodMatcher

public MethodMatcher getMethodMatcher()

Description copied from interface: Pointcut

Return the MethodMatcher for this pointcut.

Specified by:

getMethodMatcher in interface Pointcut

Returns:

the MethodMatcher (never null)

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equals

public boolean equals(Object other)

Overrides:

equals in class Object

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hashCode

public int hashCode()

Overrides:

hashCode in class Object

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toString

public String toString()

Overrides:

toString in class Object

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