org.jwaf.bo
Class BusinessLogic

java.lang.Object
  |
  +--org.jwaf.bo.BusinessLogic

public class BusinessLogic

extends java.lang.Object

BusinessLogic.java This is a business logic class that brings Apache Struts and Exolab Castor frameworks together. It serves as: (1) Struts action (2) Persistent object domain (3) Business object logic

Constructor Summary

	BusinessLogic() Default constructor
protected	BusinessLogic(java.lang.Class classType) This is a protected constructor that is intended to be called by inhereting classes by passing the class type of the business object.

Method Summary

void	addBusinessObject(BusinessObject businessObject) Create a new business object in persistence and set encapsulated business object to it.
void	deleteBusinessObject() Delete the encapsulated business object
void	deleteBusinessObject(BusinessObject businessObject) Delete the business object from persistent that matches the passed transient business object.
org.exolab.castor.jdo.Persistent	find(java.lang.Object id) Given the primary key, this method finds the object, sets the encapsulated business object to it and returns a persistent object.
BusinessObjectCollection	findAllBusinessObjects() Get all business objects of the type
BusinessObject	findBusinessObject(java.lang.Object id) Given the primary key, this method finds the object, sets the encapsulated business object to it and returns a business object.
BusinessObject	getBusinessObject() Gets the encapsulated business object
void	setBusinessObject(BusinessObject businessObject) Sets the encapsulated business object to passed business object.
void	updateBusinessObject() Update a business object in persistence
void	updateBusinessObject(BusinessObject businessObject) Update a business object in persistence, also sets encapsulated business object to the parameter

Methods inherited from class java.lang.Object

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

Constructor Detail

BusinessLogic

public BusinessLogic()

Default constructor

BusinessLogic

protected BusinessLogic(java.lang.Class classType)

This is a protected constructor that is intended to be called by inhereting classes by passing the class type of the business object.

Parameters:

classType - Should be the BusinessObject.class

Method Detail

find

public org.exolab.castor.jdo.Persistent find(java.lang.Object id)

Given the primary key, this method finds the object, sets the encapsulated business object to it and returns a persistent object.

Parameters:

id - Primary key object

Returns:

Found persistent object or null (not found)

setBusinessObject

public void setBusinessObject(BusinessObject businessObject)

Sets the encapsulated business object to passed business object.

Parameters:

businessObject - Business object to encapsulate.

findBusinessObject

public BusinessObject findBusinessObject(java.lang.Object id)

Given the primary key, this method finds the object, sets the encapsulated business object to it and returns a business object.

Parameters:

id - Primary key object

Returns:

The business object if found, else null

findAllBusinessObjects

public BusinessObjectCollection findAllBusinessObjects()

Get all business objects of the type

Returns:

A business object collection

updateBusinessObject

public void updateBusinessObject(BusinessObject businessObject)

Update a business object in persistence, also sets encapsulated business object to the parameter

Parameters:

businessObject - Transient instance of the business object

updateBusinessObject

public void updateBusinessObject()

Update a business object in persistence

deleteBusinessObject

public void deleteBusinessObject(BusinessObject businessObject)

Delete the business object from persistent that matches the passed transient business object.

Parameters:

businessObject - A transient business object to be deleted from persistence

deleteBusinessObject

public void deleteBusinessObject()

Delete the encapsulated business object

addBusinessObject

public void addBusinessObject(BusinessObject businessObject)

Create a new business object in persistence and set encapsulated business object to it. In case of generated key, primary key of transient object will be ignored.

Parameters:

businessObject - Transient instance of business object.

getBusinessObject

public BusinessObject getBusinessObject()

Gets the encapsulated business object

Returns:

Encapsulated business object