org.jvnet.hk2.config
Interface ConfigBeanInterceptor<T>

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

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