Class Evolution

java.lang.Object

org.openjump.core.ui.plugin.datastore.transaction.Evolution

public class Evolution
extends Object

A Feature Evolution. It keeps a clone of the previous state of the feature ( null for a creation) and the new state of the feature (null for a suppression).

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	Evolution.Type

Method Summary

Modifier and Type	Method	Description
static Evolution	createCreation(Feature feature)
static Evolution	createModification(Feature feature, Feature old)
static Evolution	createSuppression(Feature feature)
Feature	getNewFeature()
Feature	getOldFeature()
Evolution.Type	getType()
Evolution	mergeToPrevious(Evolution previous)
String	toString()

Methods inherited from class Object

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

Method Details

getOldFeature

public Feature getOldFeature()

getNewFeature

public Feature getNewFeature()

getType

public Evolution.Type getType()

createCreation

public static Evolution createCreation(Feature feature)

createModification

public static Evolution createModification(Feature feature,
 Feature old)

createSuppression

public static Evolution createSuppression(Feature feature)

mergeToPrevious

public Evolution mergeToPrevious(Evolution previous)
                          throws EvolutionOperationException

Throws:

EvolutionOperationException

toString

public String toString()

Overrides:

toString in class Object