org.springframework.beans

接口 PropertyValues

所有已知实现类:

MutablePropertyValues

public interface PropertyValues

Holder containing one or more PropertyValue objects, typically comprising one update for a specific target bean.

从以下版本开始:

13 May 2001

作者:

Rod Johnson, Juergen Hoeller

另请参阅:

PropertyValue

方法概要

限定符和类型	方法和说明
PropertyValues	changesSince(PropertyValues old) Return the changes since the previous PropertyValues.
boolean	contains(String propertyName) Is there a property value (or other processing entry) for this property?
PropertyValue	getPropertyValue(String propertyName) Return the property value with the given name, if any.
PropertyValue[]	getPropertyValues() Return an array of the PropertyValue objects held in this object.
boolean	isEmpty() Does this holder not contain any PropertyValue objects at all?

方法详细资料

getPropertyValues

PropertyValue[] getPropertyValues()

Return an array of the PropertyValue objects held in this object.

getPropertyValue

@Nullable
PropertyValue getPropertyValue(String propertyName)

Return the property value with the given name, if any.

参数:

propertyName - the name to search for

返回:

the property value, or null if none

changesSince

PropertyValues changesSince(PropertyValues old)

Return the changes since the previous PropertyValues. Subclasses should also override equals.

参数:

old - old property values

返回:

the updated or new properties. Return empty PropertyValues if there are no changes.

另请参阅:

Object.equals(java.lang.Object)

contains

boolean contains(String propertyName)

Is there a property value (or other processing entry) for this property?

参数:

propertyName - the name of the property we're interested in

返回:

whether there is a property value for this property

isEmpty

boolean isEmpty()

Does this holder not contain any PropertyValue objects at all?