org.openfjord.business.workflow
Class ElementManagerDelegate

java.lang.Object
  |
  +--org.openfjord.business.workflow.ElementManagerDelegate

All Implemented Interfaces:

ElementManager

public class ElementManagerDelegate

extends java.lang.Object

implements ElementManager

Title: openFJORD

Description: open Flexible Java Online Research Designer

Copyright: Copyright (c) by Ingo Düppe 2003

Company: University of Muenster

Implementation of the business delegate pattern.

Usage:
ElementManager manager = new ElementManagerDelegate();

Version:

1.0

Author:

Ingo Düppe

See Also:

ElementManager, ElementManagerBean

Constructor Summary

ElementManagerDelegate()
Constructor, initialize the delegate class

Method Summary

SurveyElementContainer	addElement(SurveyElement element, SurveyElementContainer parent) This method will create a new server side element and will add it to the parent element.
SurveyElementContainer	deleteElement(SurveyElement element) Deletes a specific service side element specified by the primary key information of the value object
SurveyElementContainer	getContainer(java.lang.String elementId) Returning a survey element container with his sub elements defined by his primary key.
SurveyElementContainer	getContainer(SurveyElement element) Returning a survey element container with his sub elements defined by his value object.
SurveyElementContainer	moveElement(SurveyElement element, int offset) Moves the element to a new position in the same container
SurveyElementContainer	moveElement(SurveyElement element, SurveyElementContainer destination) Moves the element from the current parent container to the new parent container
SurveyElementContainer	updateContainer(SurveyElementContainer container) Updates the server side element container with new data.
SurveyElementContainer	updateElement(SurveyElement element) Updates the server side element with new data.

Methods inherited from class java.lang.Object

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

Constructor Detail

ElementManagerDelegate

public ElementManagerDelegate()

Constructor, initialize the delegate class

Method Detail

getContainer

public SurveyElementContainer getContainer(SurveyElement element)
                                    throws NoElementContainerException

Description copied from interface: ElementManager

Returning a survey element container with his sub elements defined by his value object. The receiving container object contains the parent object and his direct sub elements.

Specified by:

getContainer in interface ElementManager

Returns:

the container with sub elements of the first level

NoElementContainerException

getContainer

public SurveyElementContainer getContainer(java.lang.String elementId)

Description copied from interface: ElementManager

Returning a survey element container with his sub elements defined by his primary key. The receiving container object contains the parent object and his direct sub elements.

Specified by:

getContainer in interface ElementManager

Parameters:

elementId - the primary key of the element container

Returns:

the container with sub elements of the first level

updateContainer

public SurveyElementContainer updateContainer(SurveyElementContainer container)

Description copied from interface: ElementManager

Updates the server side element container with new data. This method will not update any sub elements.

Specified by:

updateContainer in interface ElementManager

Parameters:

container - value object with the new data

Returns:

SurveyElementContainer with updated fields

addElement

public SurveyElementContainer addElement(SurveyElement element,
                                         SurveyElementContainer parent)

Description copied from interface: ElementManager

This method will create a new server side element and will add it to the parent element. If the element value object contains primary key information of a server side element, it will add this element to the parent container.

Specified by:

addElement in interface ElementManager

Parameters:

element - the new element

parent - element will add to the parent container object

Returns:

SurveyElementContainer with all direct sub elements even the new one.

updateElement

public SurveyElementContainer updateElement(SurveyElement element)

Description copied from interface: ElementManager

Updates the server side element with new data. It is mandatory that this value object containing a primary key information of the server side element.

Specified by:

updateElement in interface ElementManager

Parameters:

element - value object with new data.

Returns:

SurveyElementContainer which containing the updated element as sub element

deleteElement

public SurveyElementContainer deleteElement(SurveyElement element)

Description copied from interface: ElementManager

Deletes a specific service side element specified by the primary key information of the value object

Specified by:

deleteElement in interface ElementManager

Parameters:

element - value object containing primary key information

Returns:

SurveyElementContainer without the deleted element

moveElement

public SurveyElementContainer moveElement(SurveyElement element,
                                          int offset)

Description copied from interface: ElementManager

Moves the element to a new position in the same container

Specified by:

moveElement in interface ElementManager

Parameters:

element - the value object

offset - new position relative to the old

Returns:

SurveyElementContainer with the new position of the element

moveElement

public SurveyElementContainer moveElement(SurveyElement element,
                                          SurveyElementContainer destination)

Description copied from interface: ElementManager

Moves the element from the current parent container to the new parent container

Specified by:

moveElement in interface ElementManager

Parameters:

element - the value object of the server side element with primary key information

destination - new parent container object

Returns:

SurveyElementContainer with the new position of the element