com.illumon.iris.controller

Interface ControllerHashtableChangeListener

public interface ControllerHashtableChangeListener

Alternate way to listen to ControllerHashtableEventSource events, with adapters to allow less boilerplate code.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	ControllerHashtableChangeListener.Adapter Eliminates some of the boilerplate code in handling ControllerHashtable events.
static class	ControllerHashtableChangeListener.SimpleAdapter Converts ControllerHashtableEventHandler.handleEvent(ControllerHashtableEvent) calls into ControllerHashtableChangeListener.handleAdd(Long, PersistentQueryInfo), ControllerHashtableChangeListener.handleRemove(Long, PersistentQueryInfo), and ControllerHashtableChangeListener.handleChange(Long, PersistentQueryInfo, PersistentQueryInfo) calls.
static class	ControllerHashtableChangeListener.WeakReferenceAdapter Converts ControllerHashtableEventHandler.handleEvent(ControllerHashtableEvent) calls into ControllerHashtableChangeListener.handleAdd(Long, PersistentQueryInfo), ControllerHashtableChangeListener.handleRemove(Long, PersistentQueryInfo), and ControllerHashtableChangeListener.handleChange(Long, PersistentQueryInfo, PersistentQueryInfo) calls.

Method Summary

Modifier and Type	Method and Description
void	handleAdd(Long key, PersistentQueryInfo newValue) Handle the addition of a <key, value> to a ControllerHashtable.
void	handleChange(Long key, PersistentQueryInfo oldValue, PersistentQueryInfo newValue) Handle a change to a <key, value> in a ControllerHashtable.
void	handleRemove(Long key, PersistentQueryInfo oldValue) Handle the removal of a <key, value> from a ControllerHashtable.

Method Detail

handleAdd

void handleAdd(Long key,
               PersistentQueryInfo newValue)

Handle the addition of a <key, value> to a ControllerHashtable.

Parameters:

key - the serial number of the persistent query

newValue - the new configuration and status of the query

handleRemove

void handleRemove(Long key,
                  PersistentQueryInfo oldValue)

Handle the removal of a <key, value> from a ControllerHashtable.

Parameters:

key - the serial number of the persistent query

oldValue - the configuration and status of the query before removal

handleChange

void handleChange(Long key,
                  PersistentQueryInfo oldValue,
                  PersistentQueryInfo newValue)

Handle a change to a <key, value> in a ControllerHashtable.

Parameters:

key - the serial number of the persistent query

oldValue - the previous configuration and status of the query

newValue - the new configuration and status of the query