Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/model/UseCasesFactory.java
// $Id: UseCasesFactory.java 16157 2008-11-24 06:14:33Z tfmorris $
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package org.argouml.model;


/**
 * The interface for the factory for UseCases.
 */
public interface UseCasesFactory extends Factory {
    /**
     * Create an empty but initialized instance of a Extend.
     *
     * @return an initialized Extend instance.
     */
    Object createExtend();

    /**
     * Create an empty but initialized instance of a ExtensionPoint.
     *
     * @return an initialized ExtensionPoint instance.
     */
    Object createExtensionPoint();

    /**
     * Create an empty but initialized instance of a Actor.
     *
     * @return an initialized Actor instance.
     */
    Object createActor();

    /**
     * Create an empty but initialized instance of a Include.
     *
     * @return an initialized Include instance.
     */
    Object createInclude();

    /**
     * Create an empty but initialized instance of a UseCase.
     *
     * @return an initialized UseCase instance.
     */
    Object createUseCase();


    /**
     * Build an extend relationship with a newly created extension point.
     * Equivalent to calling 3 argument form with null as 3rd argument.<p>
     * 
     * @param abase       The base use case for the relationship
     * @param anextension The extension use case for the relationship
     * @return            The new extend relationship or <code>null</code>
     *                    if it can't be created.
     */
    Object buildExtend(Object abase, Object anextension);

    /**
     * Build an extend relationship.<p>
     * 
     * @param abase
     *            The base use case for the relationship
     * @param anextension
     *            The extension use case for the relationship
     * @param apoint
     *            The extension point in the base for the extension. If null,
     *            one is created.
     * @return The new extend relationship or <code>null</code> if it can't be
     *         created.
     */
    Object buildExtend(Object abase, Object anextension, Object apoint);

    /**
     * Builds an extension point for a use case.
     *
     * @param modelElement The owning use case for the extension point.
     * @return The new extension point.
     * @throws IllegalArgumentException if modelElement isn't a use-case.
     */
    Object buildExtensionPoint(Object modelElement);

    /**
     * Build an include relationship.<p>
     *
     * Set the namespace to the base (preferred) or else extension's
     * namespace. We don't do any checking on base and extension. They
     * should be different, but that is someone else's problem.<p>
     *
     * @param abase      The base use case for the relationship
     *
     * @param anaddition The extension use case for the relationship
     *
     * @return           The new include relationship or <code>null</code> if
     *                   it can't be created.
     */
    Object buildInclude(Object abase, Object anaddition);

    /**
     * Builds an actor in the same namespace as the given actor. If
     * the object is not and actor nothing is built.<p>
     * 
     * TODO: This shouldn't just silently fail if it is passed a bad
     * argument.  This contract will change. - tfm 20070607
     *
     * @param model The namespace.
     * @param actor the given actor
     * @return Actor the newly built actor
     */
    Object buildActor(Object actor, Object model);
}
