org.seedstack.business.domain

Class BaseEntity<ID>

java.lang.Object

org.seedstack.business.domain.BaseEntity<ID>

Type Parameters:

ID - The type of the entityId of the Entity.

All Implemented Interfaces:

DomainObject, Entity<ID>

Direct Known Subclasses:

BaseAggregateRoot

public abstract class BaseEntity<ID>
extends Object
implements Entity<ID>

This abstract class is the base class for all Entities in Seed Business Framework. It provides an equals() method based on the entity identity. This also enforce the entity to valid, i.e. not null. Otherwise a SeedException will be thrown.

Author:

epo.jemba@ext.mpsa.com

Constructor Summary

Constructors

Constructor and Description
BaseEntity()

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object other) Computes the equality on the entity identity returned by getEntityId().
abstract ID	getEntityId() Gets the entity id.
int	hashCode() Computes the hash code on the entity identity returned by getEntityId().
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

BaseEntity

public BaseEntity()

Method Detail

getEntityId

public abstract ID getEntityId()

Description copied from interface: Entity

Gets the entity id.

Specified by:

getEntityId in interface Entity<ID>

Returns:

the entity id

hashCode

public int hashCode()

Computes the hash code on the entity identity returned by getEntityId(). This method can be overridden but be sure to respect the equality semantics for entities. when doing so.

Specified by:

hashCode in interface Entity<ID>

Overrides:

hashCode in class Object

Returns:

Hash code built from all non-transient fields.

equals

public boolean equals(Object other)

Computes the equality on the entity identity returned by getEntityId(). This method can be overridden but be sure to respect the equality semantics for entities.

Specified by:

equals in interface Entity<ID>

Overrides:

equals in class Object

Parameters:

other - other object

Returns:

true if the other object is of the same class and has the same identity a this entity, false otherwise.

toString

public String toString()

Specified by:

toString in interface Entity<ID>

Overrides:

toString in class Object