Package org.springframework.data.jpa.domain

Class AbstractPersistable<PK extends Serializable>

java.lang.Object

org.springframework.data.jpa.domain.AbstractPersistable<PK>

Type Parameters:

PK - the type of the identifier.

All Implemented Interfaces:

Persistable<PK>

Direct Known Subclasses:

AbstractAuditable

@MappedSuperclass
public abstract class AbstractPersistable<PK extends Serializable>
extends Object
implements Persistable<PK>

Abstract base class for entities. Allows parameterization of id type, chooses auto-generation and implements equals(Object) and hashCode() based on that id.

Author:

Oliver Gierke, Thomas Darimont, Mark Paluch, Greg Turnquist

Constructor Summary

Constructors

Constructor	Description
AbstractPersistable()

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
PK	getId()
int	hashCode()
boolean	isNew()	Must be Transient in order to ensure that no JPA provider complains because of a missing setter.
protected void	setId(PK id)	Sets the id of the entity.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractPersistable

public AbstractPersistable()

Method Details

getId

@Nullable
public PK getId()

Specified by:

getId in interface Persistable<PK extends Serializable>

setId

protected void setId(@Nullable
 PK id)

Sets the id of the entity.

Parameters:

id - the id to set

isNew

public boolean isNew()

Must be Transient in order to ensure that no JPA provider complains because of a missing setter.

Specified by:

isNew in interface Persistable<PK extends Serializable>

See Also:

• Persistable.isNew()

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object