org.javers.core.diff.appenders

Class PropertyChangeAppender<T extends PropertyChange>

java.lang.Object

org.javers.core.diff.appenders.PropertyChangeAppender<T>

Direct Known Subclasses:

ArrayChangeAppender, ListChangeAppender, MapChangeAppender, ReferenceChangeAppender, SetChangeAppender, ValueChangeAppender

public abstract class PropertyChangeAppender<T extends PropertyChange>
extends Object

Property scope change appender, follows Chain-of-responsibility pattern

Author:

bartosz walacik

Constructor Summary

Constructors

Constructor and Description
PropertyChangeAppender()

Method Summary

Modifier and Type	Method and Description
protected abstract T	calculateChanges(NodePair pair, Property supportedProperty)
T	calculateChangesIfSupported(NodePair pair, Property property, JaversType propertyType) checks if given property is supported and if so, delegates calculation to concrete appender in calculateChanges()
protected abstract boolean	supports(JaversType propertyType)

Methods inherited from class java.lang.Object

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

Constructor Detail

PropertyChangeAppender

public PropertyChangeAppender()

Method Detail

calculateChangesIfSupported

public final T calculateChangesIfSupported(NodePair pair,
                                           Property property,
                                           JaversType propertyType)

checks if given property is supported and if so, delegates calculation to concrete appender in calculateChanges()

Returns:

null if no changes

supports

protected abstract boolean supports(JaversType propertyType)

calculateChanges

protected abstract T calculateChanges(NodePair pair,
                                      Property supportedProperty)