net.lessy.util.persistence
Interface Identifyable

public interface Identifyable

Author:

hl

Method Summary

Serializable	getId() Gets the id
boolean	hasValidId() Is the Id valid?
boolean	isPersistent() Is there an Id at all?

Method Detail

getId

Serializable getId()

Gets the id

Returns:

id

isPersistent

boolean isPersistent()

Is there an Id at all?

Returns:

true, if id not null

hasValidId

boolean hasValidId()

Is the Id valid?

Returns:

true if valid, i.e. not null and positiv, false if null, zero or negativ