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ConstructorArgumentValues.ValueHolder (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.beans.factory.config
Class ConstructorArgumentValues.ValueHolder

java.lang.Object
  org.springframework.beans.factory.config.ConstructorArgumentValues.ValueHolder

All Implemented Interfaces:

BeanMetadataElement

Enclosing class:

ConstructorArgumentValues

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public static class ConstructorArgumentValues.ValueHolder
extends Object
implements BeanMetadataElement

Holder for a constructor argument value, with an optional type attribute indicating the target type of the actual constructor argument.

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Constructor Summary
ConstructorArgumentValues.ValueHolder(Object value)           Create a new ValueHolder for the given value.
ConstructorArgumentValues.ValueHolder(Object value, String type)           Create a new ValueHolder for the given value and type.

 

Method Summary
ConstructorArgumentValues.ValueHolder	copy()           Create a copy of this ValueHolder: that is, an independent ValueHolder instance with the same contents.
Object	getConvertedValue()           Return the converted value of the constructor argument, after processed type conversion.
Object	getSource()           Return the configuration source Object for this metadata element (may be null).
String	getType()           Return the type of the constructor argument.
Object	getValue()           Return the value for the constructor argument.
boolean	isConverted()           Return whether this holder contains a converted value already (true), or whether the value still needs to be converted (false).
void	setConvertedValue(Object value)           Set the converted value of the constructor argument, after processed type conversion.
void	setSource(Object source)           Set the configuration source Object for this metadata element.
void	setType(String type)           Set the type of the constructor argument.
void	setValue(Object value)           Set the value for the constructor argument.

 

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

 

Constructor Detail

ConstructorArgumentValues.ValueHolder

public ConstructorArgumentValues.ValueHolder(Object value)

Create a new ValueHolder for the given value.

Parameters:

value - the argument value

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ConstructorArgumentValues.ValueHolder

public ConstructorArgumentValues.ValueHolder(Object value,
                                             String type)

Create a new ValueHolder for the given value and type.

Parameters:

value - the argument value

type - the type of the constructor argument

Method Detail

setValue

public void setValue(Object value)

Set the value for the constructor argument. Only necessary for manipulating a registered value, for example in BeanFactoryPostProcessors.

See Also:

PropertyPlaceholderConfigurer

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getValue

public Object getValue()

Return the value for the constructor argument.

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setType

public void setType(String type)

Set the type of the constructor argument. Only necessary for manipulating a registered value, for example in BeanFactoryPostProcessors.

See Also:

PropertyPlaceholderConfigurer

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getType

public String getType()

Return the type of the constructor argument.

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setSource

public void setSource(Object source)

Set the configuration source Object for this metadata element.

The exact type of the object will depend on the configuration mechanism used.

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getSource

public Object getSource()

Description copied from interface: BeanMetadataElement

Return the configuration source Object for this metadata element (may be null).

Specified by:

getSource in interface BeanMetadataElement

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isConverted

public boolean isConverted()

Return whether this holder contains a converted value already (true), or whether the value still needs to be converted (false).

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setConvertedValue

public void setConvertedValue(Object value)

Set the converted value of the constructor argument, after processed type conversion.

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getConvertedValue

public Object getConvertedValue()

Return the converted value of the constructor argument, after processed type conversion.

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copy

public ConstructorArgumentValues.ValueHolder copy()

Create a copy of this ValueHolder: that is, an independent ValueHolder instance with the same contents.

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