Package org.biojava.utils
Class ChangeForwarder.Retyper
java.lang.Object
org.biojava.utils.ChangeForwarder
org.biojava.utils.ChangeForwarder.Retyper
- All Implemented Interfaces:
EventListener
,ChangeListener
- Enclosing class:
ChangeForwarder
A ChangeForwarder that systematically uses a given type and wraps the old
event.
- Since:
- 1.4
- Author:
- Matthew Pocock
-
Nested Class Summary
Nested classes/interfaces inherited from class org.biojava.utils.ChangeForwarder
ChangeForwarder.Retyper
Nested classes/interfaces inherited from interface org.biojava.utils.ChangeListener
ChangeListener.AlwaysVetoListener, ChangeListener.ChangeEventRecorder, ChangeListener.LoggingListener
-
Field Summary
Fields inherited from interface org.biojava.utils.ChangeListener
ALWAYS_VETO, LOG_TO_OUT
-
Constructor Summary
ConstructorsConstructorDescriptionRetyper
(Object source, ChangeSupport changeSupport, ChangeType type) Create a new Retyper for forwarding events. -
Method Summary
Modifier and TypeMethodDescriptionprotected ChangeEvent
Return the new event to represent the originating event ce.getType()
Methods inherited from class org.biojava.utils.ChangeForwarder
changeSupport, getSource, postChange, preChange
-
Constructor Details
-
Retyper
Create a new Retyper for forwarding events.- Parameters:
source
- the new source ObjectchangeSupport
- the ChangeSupport managing the listenerstype
- the new ChangeType
-
-
Method Details
-
getType
-
generateEvent
Description copied from class:ChangeForwarder
Return the new event to represent the originating event ce.
The returned ChangeEvent is the event that will be fired, and should be built from information in the original event. If it is null, then no event will be fired.
The default implementation just constructs a ChangeEvent of the same type that chains back to ce.
- Overrides:
generateEvent
in classChangeForwarder
- Parameters:
ce
- the originating ChangeEvent- Returns:
- a new ChangeEvent to pass on, or null if no event should be sent
- Throws:
ChangeVetoException
- if for any reason this event can't be handled
-