PropertyValues (Spring Framework) - Spring Framework 1.2.9 API 文档英文版

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org.springframework.beans
Interface PropertyValues

All Known Implementing Classes:: MutablePropertyValues, ServletRequestParameterPropertyValues

public interface PropertyValues

Object containing 0 or more PropertyValue objects comprising one update.

Since:: 13 May 2001
Author:: Rod Johnson
See Also:: PropertyValue

Method Summary

PropertyValues changesSince(PropertyValues old)
          Return the changes since the previous PropertyValues.

boolean contains(String propertyName)
          Is there a property value 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.

Method Summary
`PropertyValues`	`changesSince(PropertyValues old)` Return the changes since the previous PropertyValues.
`boolean`	`contains(String propertyName)` Is there a property value 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.

Method Detail

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.

Parameters:: propertyName - the name to search for
Returns:: the property value, or null

contains

boolean contains(String propertyName)

Is there a property value for this property?

Parameters:: propertyName - the name of the property we're interested in
Returns:: whether there is a property value for this property

changesSince

PropertyValues changesSince(PropertyValues old)

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

Parameters:: old - old property values
Returns:: PropertyValues updated or new properties. Return empty PropertyValues if there are no changes.
See Also:: Object.equals(java.lang.Object)