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Java Source Code / Java Documentation » J2EE » spring framework 2.0.6 » org.springframework.core

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.springframework.core .MethodParameter

MethodParameter

public class MethodParameter (Code)

Helper class that encapsulates the specification of a method parameter, i.e. a Method or Constructor plus a parameter index and a nested type index for a declared generic type. Useful as a specification object to pass along.

Used by GenericCollectionTypeResolver , org.springframework.beans.BeanWrapperImpl and org.springframework.beans.factory.support.AbstractBeanFactory .

Note that this class does not depend on JDK 1.5 API artifacts, in order to remain compatible with JDK 1.3/1.4. Concrete generic type resolution via JDK 1.5 API happens in GenericCollectionTypeResolver only.
author:
   Juergen Hoeller
author:
   Rob Harrop
since:
   2.0
See Also:   GenericCollectionTypeResolver

Constructor Summary
public	MethodParameter(Method method, int parameterIndex) Create a new MethodParameter for the given method, with nesting level 1.
public	MethodParameter(Method method, int parameterIndex, int nestingLevel) Create a new MethodParameter for the given method. Parameters: method - the Method to specify a parameter for Parameters: parameterIndex - the index of the parameter(-1 for the method return type; 0 for the first method parameter,1 for the second method parameter, etc) Parameters: nestingLevel - the nesting level of the target type(typically 1; e.g.
public	MethodParameter(Constructor constructor, int parameterIndex) Create a new MethodParameter for the given constructor, with nesting level 1.
public	MethodParameter(Constructor constructor, int parameterIndex, int nestingLevel) Create a new MethodParameter for the given constructor. Parameters: constructor - the Constructor to specify a parameter for Parameters: parameterIndex - the index of the parameter Parameters: nestingLevel - the nesting level of the target type(typically 1; e.g.

Method Summary
public void	decreaseNestingLevel() Decrease this parameter's nesting level.
public static MethodParameter	forMethodOrConstructor(Object methodOrConstructor, int parameterIndex) Create a new MethodParameter for the given method or constructor.
public Constructor	getConstructor() Return the Constructor held, if any.
public Method	getMethod() Return the Method held, if any.
public int	getNestingLevel() Return the nesting level of the target type (typically 1; e.g.
public int	getParameterIndex() Return the index of the method/constructor parameter.
public Integer	getTypeIndexForCurrentLevel() Return the type index for the current nesting level.
public Integer	getTypeIndexForLevel(int nestingLevel) Return the type index for the specified nesting level.
public void	increaseNestingLevel() Increase this parameter's nesting level.
public void	setTypeIndexForCurrentLevel(int typeIndex) Set the type index for the current nesting level.

Constructor Detail

MethodParameter
public MethodParameter(Method method, int parameterIndex)(Code)
	Create a new MethodParameter for the given method, with nesting level 1. Parameters: method - the Method to specify a parameter for Parameters: parameterIndex - the index of the parameter

MethodParameter
public MethodParameter(Method method, int parameterIndex, int nestingLevel)(Code)
	Create a new MethodParameter for the given method. Parameters: method - the Method to specify a parameter for Parameters: parameterIndex - the index of the parameter(-1 for the method return type; 0 for the first method parameter,1 for the second method parameter, etc) Parameters: nestingLevel - the nesting level of the target type(typically 1; e.g. in case of a List of Lists, 1 would indicate thenested List, whereas 2 would indicate the element of the nested List)

MethodParameter
public MethodParameter(Constructor constructor, int parameterIndex)(Code)
	Create a new MethodParameter for the given constructor, with nesting level 1. Parameters: constructor - the Constructor to specify a parameter for Parameters: parameterIndex - the index of the parameter

MethodParameter
public MethodParameter(Constructor constructor, int parameterIndex, int nestingLevel)(Code)
	Create a new MethodParameter for the given constructor. Parameters: constructor - the Constructor to specify a parameter for Parameters: parameterIndex - the index of the parameter Parameters: nestingLevel - the nesting level of the target type(typically 1; e.g. in case of a List of Lists, 1 would indicate thenested List, whereas 2 would indicate the element of the nested List)

Method Detail

decreaseNestingLevel
public void decreaseNestingLevel()(Code)
	Decrease this parameter's nesting level. See Also: MethodParameter.getNestingLevel()

forMethodOrConstructor
public static MethodParameter forMethodOrConstructor(Object methodOrConstructor, int parameterIndex)(Code)
	Create a new MethodParameter for the given method or constructor. This is a convenience constructor for scenarios where a Method or Constructor reference is treated in a generic fashion. Parameters: methodOrConstructor - the Method or Constructor to specify a parameter for Parameters: parameterIndex - the index of the parameter the corresponding MethodParameter instance

getConstructor
public Constructor getConstructor()(Code)
	Return the Constructor held, if any. Note: Either Method or Constructor is available. the Constructor, or `null` if none

getMethod
public Method getMethod()(Code)
	Return the Method held, if any. Note: Either Method or Constructor is available. the Method, or `null` if none

getNestingLevel
public int getNestingLevel()(Code)
	Return the nesting level of the target type (typically 1; e.g. in case of a List of Lists, 1 would indicate the nested List, whereas 2 would indicate the element of the nested List).

getParameterIndex
public int getParameterIndex()(Code)
	Return the index of the method/constructor parameter. the parameter index (never negative)

getTypeIndexForCurrentLevel
public Integer getTypeIndexForCurrentLevel()(Code)
	Return the type index for the current nesting level. the corresponding type index, or `null`if none specified (indicating the default type index) See Also: MethodParameter.getNestingLevel()

getTypeIndexForLevel
public Integer getTypeIndexForLevel(int nestingLevel)(Code)
	Return the type index for the specified nesting level. Parameters: nestingLevel - the nesting level to check the corresponding type index, or `null`if none specified (indicating the default type index)

increaseNestingLevel
public void increaseNestingLevel()(Code)
	Increase this parameter's nesting level. See Also: MethodParameter.getNestingLevel()

setTypeIndexForCurrentLevel
public void setTypeIndexForCurrentLevel(int typeIndex)(Code)
	Set the type index for the current nesting level. Parameters: typeIndex - the corresponding type index(or `null` for the default type index) See Also: MethodParameter.getNestingLevel()

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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