Package org.javers.core.diff

Class Change

java.lang.Object

org.javers.core.diff.Change

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

NewObject, ObjectRemoved, PropertyChange

public abstract class Change
extends Object
implements Serializable

Change represents an atomic difference between two objects.

There are several types fo change: ValueChange, ReferenceChange, ListChange, NewObject, ObjectRemoved, ContainerChange, MapChange. See the inheritance hierarchy for the complete list.

See Also:

• Diff
• Serialized Form

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Change(GlobalId affectedCdoId, Optional<Object> affectedCdo)
protected	Change(GlobalId affectedCdoId, Optional<Object> affectedCdo, Optional<CommitMetadata> commitMetadata)

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
GlobalId	getAffectedGlobalId()	Affected domain object GlobalId
Object	getAffectedLocalId()	Affected domain object local Id (value under @Id property)
Optional<Object>	getAffectedObject()	Affected domain object.
Optional<CommitMetadata>	getCommitMetadata()	Empty if change is calculated by Javers.compare(Object, Object)
int	hashCode()
abstract String	prettyPrint(PrettyValuePrinter valuePrinter)
String	toString()	Pretty print with default dates formatting

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Details

Change

protected Change(GlobalId affectedCdoId,
 Optional<Object> affectedCdo)

Change

protected Change(GlobalId affectedCdoId,
 Optional<Object> affectedCdo,
 Optional<CommitMetadata> commitMetadata)

Method Details

getAffectedGlobalId

public GlobalId getAffectedGlobalId()

Affected domain object GlobalId

getAffectedLocalId

public Object getAffectedLocalId()

Affected domain object local Id (value under @Id property)

getAffectedObject

public Optional<Object> getAffectedObject()

Affected domain object. Depending on concrete Change type, it could be a new Object, removed Object or a new version of a changed Object.

Optional - available only for freshly generated diff. Not available for Changes read from JaversRepository

getCommitMetadata

public Optional<CommitMetadata> getCommitMetadata()

Empty if change is calculated by Javers.compare(Object, Object)

toString

public String toString()

Pretty print with default dates formatting

Overrides:

toString in class Object

prettyPrint

public abstract String prettyPrint(PrettyValuePrinter valuePrinter)

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object