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## uk.ac.man.bioinf.sequence.alignment.event
Interface VetoableAlignmentListener

All Superinterfaces:
  AlignmentListener, EventListener

All Known Implementing Classes:
  SequenceAlignmentTest

public interface VetoableAlignmentListener
extends AlignmentListener

VetoableAlignmentListener.java Listeners of this type are informed before a change takes place, and throw an exception if they so wish. Following this a second event is signalled to listeners of type AlignmentListener after the change has occured. Because two events are signalled it is not necessary to signal all VetoableAlignmentListener that a change has not occured. Created: Tue Feb 15 20:06:00 2000

Version:
  $Id: VetoableAlignmentListener.java,v 1.3 2001/04/11 17:04:43 lord Exp $
Author:
  Phillip Lord

Method Summary
`void` | `vetoableChangeOccurred(VetoableAlignmentEvent event)` Method called before a change occurs to an alignment

Methods inherited from interface uk.ac.man.bioinf.sequence.alignment.event.AlignmentListener
`changeOccurred`

Method Detail

### vetoableChangeOccurred

    public void vetoableChangeOccurred(VetoableAlignmentEvent event)
                                throws AlignmentVetoException

  Method called before a change occurs to an alignment

  Parameters:
    `event` -
  Throws:
    `AlignmentVetoException`

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