Package org.biojava.utils
Class ChangeListener.ChangeEventRecorder
- java.lang.Object
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- org.biojava.utils.ChangeAdapter
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- org.biojava.utils.ChangeListener.ChangeEventRecorder
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- All Implemented Interfaces:
EventListener
,ChangeListener
- Enclosing interface:
- ChangeListener
public static class ChangeListener.ChangeEventRecorder extends ChangeAdapter
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
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Nested classes/interfaces inherited from interface org.biojava.utils.ChangeListener
ChangeListener.AlwaysVetoListener, ChangeListener.ChangeEventRecorder, ChangeListener.LoggingListener
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Field Summary
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Fields inherited from interface org.biojava.utils.ChangeListener
ALWAYS_VETO, LOG_TO_OUT
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Constructor Summary
Constructors Constructor Description ChangeEventRecorder()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ChangeEvent
getEvent()
void
preChange(ChangeEvent cev)
Called before a change takes place.-
Methods inherited from class org.biojava.utils.ChangeAdapter
postChange
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Constructor Detail
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ChangeEventRecorder
public ChangeEventRecorder()
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Method Detail
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getEvent
public ChangeEvent getEvent()
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preChange
public void preChange(ChangeEvent cev) throws ChangeVetoException
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 Exception
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