Package com.reallifedeveloper.common.infrastructure.persistence

Class TimestampedJpaEntity<ID>

java.lang.Object

com.reallifedeveloper.common.infrastructure.persistence.BaseJpaEntity<ID>

com.reallifedeveloper.common.infrastructure.persistence.TimestampedJpaEntity<ID>

Type Parameters:

ID - the type of the primary key

@MappedSuperclass
public class TimestampedJpaEntity<ID>
extends BaseJpaEntity<ID>

A base class for JPA entities that need to keep track of when they where created and when they were last updated.

Author:

RealLifeDeveloper

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TimestampedJpaEntity()	Creates a new AbstractTimestampedJpaEntity with null ID and with the created and updated timestamps also set to null.
protected	TimestampedJpaEntity(ID id)	Creates a new AbstractTimestampedJpaEntity with the given ID and with the created and updated timestamps set to the current time.
protected	TimestampedJpaEntity(ID id, ZonedDateTime created, ZonedDateTime updated)	Creates a new AbstractTimestampedJpaEntity with the given ID and timestamps.

Method Summary

Modifier and Type	Method	Description
Optional<ZonedDateTime>	created()	Gives the time and date that the entity was created.
void	setUpdated(ZonedDateTime updated)	Sets the time and date that the entity was last updated.
Optional<ZonedDateTime>	updated()	Gives the time and date that the entity was last updated.

Methods inherited from class com.reallifedeveloper.common.infrastructure.persistence.BaseJpaEntity

finalize, id

Methods inherited from class java.lang.Object

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

Constructor Details

TimestampedJpaEntity

protected TimestampedJpaEntity()

Creates a new AbstractTimestampedJpaEntity with null ID and with the created and updated timestamps also set to null.

This constructor should normally only be used by Hibernate, and you are encouraged to create a no-argument package private constructor in your entities that call this.

TimestampedJpaEntity

protected TimestampedJpaEntity(ID id)

Creates a new AbstractTimestampedJpaEntity with the given ID and with the created and updated timestamps set to the current time.

Parameters:

id - the ID of the new entity

TimestampedJpaEntity

protected TimestampedJpaEntity(ID id,
 ZonedDateTime created,
 ZonedDateTime updated)

Creates a new AbstractTimestampedJpaEntity with the given ID and timestamps.

Parameters:

id - the ID of the new entity

created - the time and date the entity was created

updated - the time and date the entity was last updated

Throws:

IllegalArgumentException - if created or updated is null

Method Details

created

public Optional<ZonedDateTime> created()

Gives the time and date that the entity was created.

Returns:

the timestamp of creation

updated

public Optional<ZonedDateTime> updated()

Gives the time and date that the entity was last updated.

Returns:

the timestamp of last update

setUpdated

public void setUpdated(ZonedDateTime updated)

Sets the time and date that the entity was last updated.

Parameters:

updated - the timestamp of last update

Throws:

IllegalArgumentException - if updated is null