Package cz.cvut.kbss.jopa.sessions.change

Class ObjectChangeSet

java.lang.Object

cz.cvut.kbss.jopa.sessions.change.ObjectChangeSet

All Implemented Interfaces:

Change

public class ObjectChangeSet
extends Object
implements Change

Constructor Summary

Constructors

Constructor	Description
ObjectChangeSet(Object changedObject, Object cloneObject, Descriptor descriptor)

Method Summary

Modifier and Type	Method	Description
void	addChangeRecord(ChangeRecord record)	Adds a new change record to this change set.
Set<ChangeRecord>	getChanges()	Gets changes held in this change set.
Object	getClone()	Gets the clone with changes.
Descriptor	getDescriptor()	Gets descriptor of the changed object.
Object	getOriginal()	Gets the original object.
boolean	hasChanges()	Whether this change set contains any changes.

Methods inherited from class java.lang.Object

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

Methods inherited from interface cz.cvut.kbss.jopa.sessions.change.Change

getEntityContext, getObjectClass

Constructor Details

ObjectChangeSet

public ObjectChangeSet(Object changedObject,
 Object cloneObject,
 Descriptor descriptor)

Method Details

addChangeRecord

public void addChangeRecord(ChangeRecord record)

Adds a new change record to this change set.

If there was a change for attribute represented by the new record, it will be overwritten.

Parameters:

record - The record to add

getChanges

public Set<ChangeRecord> getChanges()

Gets changes held in this change set.

Returns:

Set of changes

hasChanges

public boolean hasChanges()

Whether this change set contains any changes.

Returns:

true if there are any changes in this change set, false otherwise

getOriginal

public Object getOriginal()

Description copied from interface: Change

Gets the original object.

Specified by:

getOriginal in interface Change

Returns:

Original

getClone

public Object getClone()

Description copied from interface: Change

Gets the clone with changes.

Specified by:

getClone in interface Change

Returns:

Clone, never null

getDescriptor

public Descriptor getDescriptor()

Description copied from interface: Change

Gets descriptor of the changed object.

Specified by:

getDescriptor in interface Change

Returns:

Instance descriptor