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mesh_events.hh
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/**
* @file mesh_events.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Feb 20 2015
* @date last modification: Mon Dec 07 2015
*
* @brief Classes corresponding to mesh events type
*
* @section LICENSE
*
* Copyright (©) 2015 EPFL (Ecole Polytechnique Fédérale de Lausanne) Laboratory
* (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_array.hh"
#include "element.hh"
#include "element_type_map.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_MESH_EVENTS_HH__
#define __AKANTU_MESH_EVENTS_HH__
namespace akantu {
/// akantu::MeshEvent is the base event for meshes
template <class Entity> class MeshEvent {
public:
virtual ~MeshEvent() {}
/// Get the list of entity modified by the event nodes or elements
const Array<Entity> & getList() const { return list; }
/// Get the list of entity modified by the event nodes or elements
Array<Entity> & getList() { return list; }
protected:
Array<Entity> list;
};
class Mesh;
/// akantu::MeshEvent related to new nodes in the mesh
class NewNodesEvent : public MeshEvent<UInt> {
public:
~NewNodesEvent() override{};
};
/// akantu::MeshEvent related to nodes removed from the mesh
class RemovedNodesEvent : public MeshEvent<UInt> {
public:
~RemovedNodesEvent() override{};
inline RemovedNodesEvent(const Mesh & mesh);
/// Get the new numbering following suppression of nodes from nodes arrays
AKANTU_GET_MACRO_NOT_CONST(NewNumbering, new_numbering, Array<UInt> &);
/// Get the new numbering following suppression of nodes from nodes arrays
AKANTU_GET_MACRO(NewNumbering, new_numbering, const Array<UInt> &);
private:
Array<UInt> new_numbering;
};
/// akantu::MeshEvent related to new elements in the mesh
class NewElementsEvent : public MeshEvent<Element> {
public:
~NewElementsEvent() override{};
};
/// akantu::MeshEvent related to elements removed from the mesh
class RemovedElementsEvent : public MeshEvent<Element> {
public:
~RemovedElementsEvent() override{};
inline RemovedElementsEvent(const Mesh & mesh,
ID new_numbering_id = "new_numbering");
/// Get the new numbering following suppression of elements from elements
/// arrays
AKANTU_GET_MACRO(NewNumbering, new_numbering,
const ElementTypeMapArray<UInt> &);
/// Get the new numbering following suppression of elements from elements
/// arrays
AKANTU_GET_MACRO_NOT_CONST(NewNumbering, new_numbering,
ElementTypeMapArray<UInt> &);
/// Get the new numbering following suppression of elements from elements
/// arrays
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(NewNumbering, new_numbering, UInt);
/// Get the new numbering following suppression of elements from elements
/// arrays
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(NewNumbering, new_numbering, UInt);
protected:
ElementTypeMapArray<UInt> new_numbering;
};
/// akantu::MeshEvent for element that changed in some sort, can be seen as a
/// combination of removed and added elements
class ChangedElementsEvent : public RemovedElementsEvent {
public:
~ChangedElementsEvent() override{};
inline ChangedElementsEvent(
const Mesh & mesh, ID new_numbering_id = "changed_event:new_numbering")
: RemovedElementsEvent(mesh, new_numbering_id){};
AKANTU_GET_MACRO(ListOld, list, const Array<Element> &);
AKANTU_GET_MACRO_NOT_CONST(ListOld, list, Array<Element> &);
AKANTU_GET_MACRO(ListNew, new_list, const Array<Element> &);
AKANTU_GET_MACRO_NOT_CONST(ListNew, new_list, Array<Element> &);
protected:
Array<Element> new_list;
};
/* -------------------------------------------------------------------------- */
class MeshEventHandler {
public:
virtual ~MeshEventHandler(){};
/* ------------------------------------------------------------------------ */
/* Internal code */
/* ------------------------------------------------------------------------ */
private:
/// send a akantu::NewNodesEvent
inline void sendEvent(const NewNodesEvent & event) {
onNodesAdded(event.getList(), event);
}
/// send a akantu::RemovedNodesEvent
inline void sendEvent(const RemovedNodesEvent & event) {
onNodesRemoved(event.getList(), event.getNewNumbering(), event);
}
/// send a akantu::NewElementsEvent
inline void sendEvent(const NewElementsEvent & event) {
onElementsAdded(event.getList(), event);
}
/// send a akantu::RemovedElementsEvent
inline void sendEvent(const RemovedElementsEvent & event) {
onElementsRemoved(event.getList(), event.getNewNumbering(), event);
}
/// send a akantu::ChangedElementsEvent
inline void sendEvent(const ChangedElementsEvent & event) {
onElementsChanged(event.getListOld(), event.getListNew(),
event.getNewNumbering(), event);
}
template <class EventHandler> friend class EventHandlerManager;
/* ------------------------------------------------------------------------ */
/* Interface */
/* ------------------------------------------------------------------------ */
public:
/// function to implement to react on akantu::NewNodesEvent
virtual void onNodesAdded(const Array<UInt> & nodes_list,
const NewNodesEvent & event) = 0;
/// function to implement to react on akantu::RemovedNodesEvent
virtual void onNodesRemoved(const Array<UInt> & nodes_list,
const Array<UInt> & new_numbering,
const RemovedNodesEvent & event) = 0;
/// function to implement to react on akantu::NewElementsEvent
virtual void onElementsAdded(const Array<Element> & elements_list,
const NewElementsEvent & event) = 0;
/// function to implement to react on akantu::RemovedElementsEvent
virtual void
onElementsRemoved(const Array<Element> & elements_list,
const ElementTypeMapArray<UInt> & new_numbering,
const RemovedElementsEvent & event) = 0;
/// function to implement to react on akantu::ChangedElementsEvent
virtual void
onElementsChanged(const Array<Element> & old_elements_list,
const Array<Element> & new_elements_list,
const ElementTypeMapArray<UInt> & new_numbering,
const ChangedElementsEvent & event) = 0;
};
} // akantu
#endif /* __AKANTU_MESH_EVENTS_HH__ */

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