org.javers.core.diff

Class Diff

java.lang.Object

org.javers.core.diff.Diff

public class Diff
extends java.lang.Object

Diff is a set of (atomic) changes between two graphs of objects.

Typically it is used to capture and trace changes made by user on his domain data. In this case diff is done between previous and current state of a bunch of domain objects.

Method Summary

Modifier and Type	Method and Description
java.lang.String	changesSummary()
java.util.Map<java.lang.Class<? extends Change>,java.lang.Integer>	countByType()
java.util.List<Change>	getChanges() Full list of changes
java.util.List<Change>	getChanges(Predicate<Change> predicate) Changes that satisfies given filter condition
<C extends Change> java.util.List<C>	getChangesByType(java.lang.Class<C> type)
<C extends Change> java.util.List	getObjectsByChangeType(java.lang.Class<C> type) Selects new, removed or changed objects
java.util.List	getObjectsWithChangedProperty(java.lang.String propertyName) Selects objects with changed property for given property name
java.util.List<PropertyChange>	getPropertyChanges(java.lang.String propertyName) Selects property changes for given property name
boolean	hasChanges()
java.lang.String	prettyPrint() Prints to String list of changes within this Diff
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Method Detail

getObjectsByChangeType

public <C extends Change> java.util.List getObjectsByChangeType(java.lang.Class<C> type)

Selects new, removed or changed objects

Throws:

JaversException - AFFECTED_CDO_IS_NOT_AVAILABLE if diff is restored from a repository

getObjectsWithChangedProperty

public java.util.List getObjectsWithChangedProperty(java.lang.String propertyName)

Selects objects with changed property for given property name

Throws:

JaversException - AFFECTED_CDO_IS_NOT_AVAILABLE if diff is restored from repository,

getChanges

public java.util.List<Change> getChanges()

Full list of changes

Returns:

unmodifiable list

getChanges

public java.util.List<Change> getChanges(Predicate<Change> predicate)

Changes that satisfies given filter condition

getChangesByType

public <C extends Change> java.util.List<C> getChangesByType(java.lang.Class<C> type)

getPropertyChanges

public java.util.List<PropertyChange> getPropertyChanges(java.lang.String propertyName)

Selects property changes for given property name

hasChanges

public boolean hasChanges()

prettyPrint

public final java.lang.String prettyPrint()

Prints to String list of changes within this Diff

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

changesSummary

public java.lang.String changesSummary()

countByType

public java.util.Map<java.lang.Class<? extends Change>,java.lang.Integer> countByType()