Package org.biojava.utils
Class ChangeListener.ChangeEventRecorder
java.lang.Object
org.biojava.utils.ChangeAdapter
org.biojava.utils.ChangeListener.ChangeEventRecorder
- All Implemented Interfaces:
EventListener
,ChangeListener
- Enclosing interface:
ChangeListener
A listener that remembers the ChangeEvent of the last change. Mostly for
debugging.
- Since:
- 1.5
- Author:
- Mark Schreiber
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Nested Class Summary
Nested classes/interfaces inherited from interface org.biojava.utils.ChangeListener
ChangeListener.AlwaysVetoListener, ChangeListener.ChangeEventRecorder, ChangeListener.LoggingListener
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Field Summary
Fields inherited from interface org.biojava.utils.ChangeListener
ALWAYS_VETO, LOG_TO_OUT
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Constructor Summary
Constructors -
Method Summary
Modifier and TypeMethodDescriptiongetEvent()
void
preChange
(ChangeEvent cev) Called before a change takes place.Methods inherited from class org.biojava.utils.ChangeAdapter
postChange
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Constructor Details
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ChangeEventRecorder
public ChangeEventRecorder()
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Method Details
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getEvent
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preChange
Description copied from interface:ChangeListener
Called before a change takes place.
This is your chance to stop the change by throwing a ChangeVetoException. This method does not indicate that the change will definitely take place, so it is not recomended that you take any positive action within this handler.
- Specified by:
preChange
in interfaceChangeListener
- Overrides:
preChange
in classChangeAdapter
- Parameters:
cev
- An event encapsulating the change which is about to take place.- Throws:
ChangeVetoException
- Description of ExceptionChangeVetoException
- if the receiver does not wish this change to occur at this time.
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