org.jvnet.hk2.config

Interface ConfigBeanInterceptor<T>

All Known Implementing Classes:

OnDeleteCascade

public interface ConfigBeanInterceptor<T>

Interceptor interface to be notified of read/write operations on a ConfigBean. Interceptor can be configured using the optional T interface.

Method Summary

Modifier and Type	Method and Description
void	afterChange(PropertyChangeEvent evt, long timestamp) Notification that an attribute has changed
void	beforeChange(PropertyChangeEvent evt) Notification that an attribute is about to be changed
T	getConfiguration() Interceptor can usually be configured, allowing for customizing how the interceptor should behave or do.
void	readValue(ConfigBean source, String xmlName, Object value) Notification of an attribute read

Method Detail

getConfiguration

T getConfiguration()

Interceptor can usually be configured, allowing for customizing how the interceptor should behave or do.

Returns:

interface implementing the configuration capability of this interceptor

beforeChange

void beforeChange(PropertyChangeEvent evt)
           throws PropertyVetoException

Notification that an attribute is about to be changed

Parameters:

evt - information about the forthcoming change

Throws:

PropertyVetoException - if the change is unacceptable

afterChange

void afterChange(PropertyChangeEvent evt,
                 long timestamp)

Notification that an attribute has changed

Parameters:

evt - information about the change

timestamp - time of the change

readValue

void readValue(ConfigBean source,
               String xmlName,
               Object value)

Notification of an attribute read

Parameters:

source - object owning the attribute

xmlName - name of the attribute

value - value of the attribute