uk.org.ogsadai.engine.controlflow
Interface RequestComponentFactory

All Known Implementing Classes:

RequestComponentFactoryImpl

public interface RequestComponentFactory

The interface through which a composite RequestComponent structure for an OGSA-DAI request is created.

Author:

The OGSA-DAI Project Team

createRequestComponent

public RequestComponent createRequestComponent(Activity[]?activities,
                                               org.w3c.dom.Document?requestDocument)
                                        throws RequestSpecificationException,
                                               RequestCreationException

Creates a composite RequestComponent structure for the specified request document.

Parameters:

activities - An array of the Activity objects contained in the request

requestDocument - The request (perform) Document

Returns:

a RequestComponent for the whole request

Throws:

RequestSpecificationException - If there is a problem creating the composite request component due to a problem in the specification of the request. This may be caused by an invalid request document, for example.

RequestCreationException - If there is a problem that prevents the creation of the composite request that is not caused by the request itself.