Package org.apache.cayenne

Class PersistentObject

java.lang.Object

org.apache.cayenne.PersistentObject

All Implemented Interfaces:

Serializable, Persistent

Direct Known Subclasses:

BaseDataObject

public abstract class PersistentObject
extends Object
implements Persistent

A convenience base superclass for concrete Persistent objects. Provides implementation of properties declared in Persistent interface.

POJO Note

If having PersistentObject as a superclass presents a problem in an application, source code of this class can be copied verbatim to a custom class generation template. Desired superclass can be set in CayenneModeler.

Since:

1.2

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected ObjectContext	objectContext
protected ObjectId	objectId
protected int	persistenceState

Constructor Summary

Constructors

Constructor	Description
PersistentObject()	Creates a new transient object.

Method Summary

Modifier and Type	Method	Description
protected Object	getMapKey(String relationshipName, Object value)	Returns a map key for a given to-many map relationship and a target object.
ObjectContext	getObjectContext()
ObjectId	getObjectId()
int	getPersistenceState()
void	setObjectContext(ObjectContext objectContext)
void	setObjectId(ObjectId objectId)
void	setPersistenceState(int persistenceState)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

objectId

protected ObjectId objectId

persistenceState

protected int persistenceState

objectContext

protected transient ObjectContext objectContext

Constructor Details

PersistentObject

public PersistentObject()

Creates a new transient object.

Method Details

getPersistenceState

public int getPersistenceState()

Specified by:

getPersistenceState in interface Persistent

setPersistenceState

public void setPersistenceState(int persistenceState)

Specified by:

setPersistenceState in interface Persistent

getObjectContext

public ObjectContext getObjectContext()

Specified by:

getObjectContext in interface Persistent

setObjectContext

public void setObjectContext(ObjectContext objectContext)

Specified by:

setObjectContext in interface Persistent

getObjectId

public ObjectId getObjectId()

Specified by:

getObjectId in interface Persistent

setObjectId

public void setObjectId(ObjectId objectId)

Specified by:

setObjectId in interface Persistent

getMapKey

protected Object getMapKey(String relationshipName,
 Object value)

Returns a map key for a given to-many map relationship and a target object.

Since:

3.0

toString

public String toString()

Overrides:

toString in class Object