PropertyValues (Spring Framework 4.3.30.RELEASE API)

所有已知实现类:
MutablePropertyValues, PortletRequestParameterPropertyValues, ServletRequestParameterPropertyValues
```
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

所有方法实例方法抽象方法
修饰符和类型	方法	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
```
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
  - 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:
    PropertyValues 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?