org.ujorm.orm
Interface OrmUjo

All Superinterfaces:

org.ujorm.Ujo

All Known Subinterfaces:

ExtendedOrmUjo<UJO_IMPL>

All Known Implementing Classes:

OrmTable, OrmTableSynchronized

public interface OrmUjo
extends org.ujorm.Ujo

The OrmUjo is a basic interface of the persistent object in the ORM support. A class that implements the interface must have got a special features:

• exactly one UjoProperty must be identified as the primary key.
• reference to a foreign BO must be able to store an object of any type by the method Ujo.writeProperty(...). This feature is necessary for the proper functioning of the lazy initialization
• relation many to one can be mapped by a RelationToMany property
• each table OrmUjo must be registered in the Database by a property type of RelationToMany

Author:

Ponec

Method Summary

org.ujorm.UjoProperty[]	readChangedProperties(boolean clear) Returns changed properties.
Session	readSession() Read an ORM session, session is an transient property.
java.lang.Object	readValue(org.ujorm.UjoProperty property) A special implementation, see a source code of the OrmTable class for more information.
void	writeSession(Session session) Write an ORM session

Methods inherited from interface org.ujorm.Ujo

readAuthorization, readProperties, writeValue

Method Detail

readSession

Session readSession()

Read an ORM session, session is an transient property.

writeSession

void writeSession(Session session)

Write an ORM session

readChangedProperties

org.ujorm.UjoProperty[] readChangedProperties(boolean clear)

Returns changed properties.

Parameters:

clear - True value clears all the property changes.

readValue

java.lang.Object readValue(org.ujorm.UjoProperty property)

A special implementation, see a source code of the OrmTable class for more information.
Note: In case the parameter Property is type of persistent relation and the current Session is not null then this metod copy the current session to the related value due a lazy loading.

Specified by:

readValue in interface org.ujorm.Ujo

See Also:

OrmTable.readValue(org.ujorm.UjoProperty)