net.sourceforge.domian.entity
Class AbstractEntity

java.lang.Object
  net.sourceforge.domian.entity.AbstractEntity

All Implemented Interfaces:

Entity

Direct Known Subclasses:

AbstractRandomIntegerEntity, AbstractRandomLongEntity, AbstractUUIDEntity

public abstract class AbstractEntity
extends java.lang.Object
implements Entity

Abstract class for all entity objects, ensuring consistent/unchanging equals/hashCode methods, not influenced by mutable state.

Also, the time of creation is recorded and available.

Since:

0.4

Author:

Eirik Torske

Field Summary

protected java.lang.Long	timeOfCreation
protected java.lang.Integer	version For possible use of RDBMS optimistic locking.

Constructor Summary

AbstractEntity()

Method Summary

protected void	doWarnLog(java.lang.String message)
boolean	equals(java.lang.Object otherObject)
java.lang.Long	getTimeOfCreation() An entity object always originates from one specific moment in time.
java.lang.Integer	getVersion()
int	hashCode()
java.lang.Boolean	isEntity()
java.lang.Boolean	isValueObject()
void	setVersion(java.lang.Integer version)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sourceforge.domian.entity.Entity

getEntityId

Field Detail

timeOfCreation

protected final java.lang.Long timeOfCreation

version

protected java.lang.Integer version

For possible use of RDBMS optimistic locking.

Constructor Detail

AbstractEntity

public AbstractEntity()

Method Detail

getVersion

public java.lang.Integer getVersion()

setVersion

public void setVersion(java.lang.Integer version)

getTimeOfCreation

public final java.lang.Long getTimeOfCreation()

Description copied from interface: Entity

An entity object always originates from one specific moment in time.

Specified by:

getTimeOfCreation in interface Entity

Returns:

the time of creation of this entity, in milliseconds after 01.01.1970

isEntity

public final java.lang.Boolean isEntity()

isValueObject

public final java.lang.Boolean isValueObject()

hashCode

public final int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public final boolean equals(java.lang.Object otherObject)

Overrides:

equals in class java.lang.Object

doWarnLog

protected void doWarnLog(java.lang.String message)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object