org.wandora.topicmap.undowrapper

Class UndoOperation

java.lang.Object

org.wandora.topicmap.undowrapper.UndoOperation

Direct Known Subclasses:

AddSubjectIdentifierOperation, AddTypeOperation, CreateAssociationOperation, CreateTopicOperation, MergeOperation, ModifyAssociationOperation, NoOperation, RemoveAssociationOperation, RemoveSubjectIdentifierOperation, RemoveTopicOperation, RemoveTypeOperation, SetBaseNameOperation, SetOccurrenceOperation, SetSubjectLocatorOperation, SetVariantOperation, UndoMarker

public abstract class UndoOperation
extends java.lang.Object

Author:

olli

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	isMarker
private static java.util.concurrent.atomic.AtomicInteger	operationCounter
protected int	operationNumber

Constructor Summary

Constructors

Constructor and Description
UndoOperation()

Method Summary

Modifier and Type	Method and Description
boolean	canRedo()
boolean	canUndo()
UndoOperation	combineWith(UndoOperation previous)
java.lang.String	getDescription()
abstract java.lang.String	getLabel()
int	getOperationNumber()
java.lang.String	getRedoLabel()
java.lang.String	getUndoLabel()
boolean	isMarker()
abstract void	redo()
abstract void	undo()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

operationCounter

private static final java.util.concurrent.atomic.AtomicInteger operationCounter

operationNumber

protected int operationNumber

isMarker

protected boolean isMarker

Constructor Detail

UndoOperation

public UndoOperation()

Method Detail

getOperationNumber

public int getOperationNumber()

isMarker

public boolean isMarker()

canUndo

public boolean canUndo()

canRedo

public boolean canRedo()

undo

public abstract void undo()
                   throws UndoException

Throws:

UndoException

redo

public abstract void redo()
                   throws UndoException

Throws:

UndoException

getLabel

public abstract java.lang.String getLabel()

getUndoLabel

public java.lang.String getUndoLabel()

getRedoLabel

public java.lang.String getRedoLabel()

getDescription

public java.lang.String getDescription()

combineWith

public UndoOperation combineWith(UndoOperation previous)