ChangeListener.ChangeEventRecorder (biojava-legacy 1.9.5 API)

ChangeListener.ChangeEventRecorder (biojava-legacy 1.9.5 API)

java.lang.Object
- org.biojava.utils.ChangeAdapter
- - org.biojava.utils.ChangeListener.ChangeEventRecorder

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

- Nested Class Summary
  - 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
  
  Constructors
  Constructor Description
  
  ChangeEventRecorder()
- 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
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - ChangeEventRecorder
```
public ChangeEventRecorder()
```
- Method Detail
  - getEvent
```
public ChangeEvent getEvent()
```
  - preChange
```
public void preChange(ChangeEvent cev)
               throws ChangeVetoException
```
    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 interface ChangeListener
    
    Overrides:
    
    preChange in class ChangeAdapter
    
    Parameters:
    
    cev - An event encapsulating the change which is about to take place.
    
    Throws:
    
    ChangeVetoException - Description of Exception