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/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* copyright (C) 2003-2006 *
* Umbrello UML Modeller Authors <uml-devel@uml.sf.net> *
***************************************************************************/
#ifndef UMLROLE_H
#define UMLROLE_H
#include "umlobject.h"
class UMLAssociation;
/**
* This class contains the non-graphic representation of an association role.
*
* @author Brian Thomas <brian.thomas@gsfc.nasa.gov>
* @see UMLObject
*/
class UMLRole : public UMLObject {
Q_OBJECT
public:
/**
* Sets up an association.
*
* @param parent The parent (association) of this UMLRole.
* @param parentUMLObject The Parent UML Object of this UMLRole
* @param role The Uml::Role_Type of this UMLRole
*/
UMLRole (UMLAssociation * parent, UMLObject * parentUMLObject, Uml::Role_Type role);
/**
* Overloaded '==' operator
*/
bool operator==(UMLRole & rhs);
/**
* Standard deconstructor.
*/
virtual ~UMLRole();
/**
* Returns the UMLObject assigned to the role.
* @return Pointer to the UMLObject in role.
*/
UMLObject* getObject();
/**
* Returns the Changeablity of the role.
*
* @return Changeability_Type of role.
*/
Uml::Changeability_Type getChangeability() const;
/**
* Returns the multiplicity assigned to the role.
*
* @return The multiplicity assigned to the role.
*/
QString getMultiplicity() const;
/**
* Sets the UMLObject playing the role in the association.
*
* @param obj Pointer to the UMLObject of role.
*/
void setObject(UMLObject *obj);
/**
* Sets the changeability of the role.
*
* @param value Changeability_Type of role changeability.
*/
void setChangeability (Uml::Changeability_Type value);
/**
* Sets the multiplicity of the role.
*
* @param multi The multiplicity of role.
*/
void setMultiplicity ( const QString &multi );
UMLAssociation * getParentAssociation ();
/** get the 'id' of the role (NOT the parent object). This could be
* either Uml::A or Uml::B. Yes, it would be better if we
* could get along without this, but we need it to distinguish saved
* umlrole objects in the XMI for 'self' associations where both roles
* will point to the same underlying UMLObject.
*/
Uml::Role_Type getRole();
/**
* Make a clone of this object.
* Not yet implemented.
*/
UMLObject* clone() const { return NULL; }
/**
* Creates the <UML:AssociationEnd> XMI element.
*/
void saveToXMI(QDomDocument& qDoc, QDomElement& qElement);
protected:
/**
* Loads the <UML:AssociationEnd> XMI element.
* Auxiliary to UMLObject::loadFromXMI.
*/
bool load(QDomElement& element);
private:
/** do some initialization at construction time */
void init (UMLAssociation * parent, UMLObject * parentObj, Uml::Role_Type r);
UMLAssociation * m_pAssoc;
Uml::Role_Type m_role;
QString m_Multi;
Uml::Changeability_Type m_Changeability;
};
#endif
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