Package org.openxava.calculators

Class IdentityCalculator

java.lang.Object

org.openxava.calculators.IdentityCalculator

All Implemented Interfaces:

java.io.Serializable, ICalculator, IHibernateIdGeneratorCalculator

public class IdentityCalculator
extends java.lang.Object
implements IHibernateIdGeneratorCalculator

To use identity database id generation.

An example of use:

  <property name="id" key="true" type="int" hidden="true">
                <default-value-calculator class="org.openxava.calculators.IdentityCalculator" on-create="true"/>
        </property>
  

It does not work with EJB2. It works with Hibernate and EJB3 JPA.

Author:

Javier Paniza

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
IdentityCalculator()

Method Summary

Modifier and Type	Method	Description
java.lang.Object	calculate()
java.lang.String	hbmGeneratorCode()	Returns the xml code to insert inside 'id' element in .hbml file.

Methods inherited from class java.lang.Object

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

Constructor Detail

IdentityCalculator

public IdentityCalculator()

Method Detail

hbmGeneratorCode

public java.lang.String hbmGeneratorCode()

Description copied from interface: IHibernateIdGeneratorCalculator

Returns the xml code to insert inside 'id' element in .hbml file.

Specified by:

hbmGeneratorCode in interface IHibernateIdGeneratorCalculator

calculate

public java.lang.Object calculate()
                           throws java.lang.Exception

Specified by:

calculate in interface ICalculator

Throws:

java.lang.Exception