Arcane  4.1.12.0
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IItemConnectivityAccessor.h
1// -*- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature -*-
2//-----------------------------------------------------------------------------
3// Copyright 2000-2026 CEA (www.cea.fr) IFPEN (www.ifpenergiesnouvelles.com)
4// See the top-level COPYRIGHT file for details.
5// SPDX-License-Identifier: Apache-2.0
6//-----------------------------------------------------------------------------
7/*---------------------------------------------------------------------------*/
8/* IItemConnectivityAccessor.h (C) 2000-2025 */
9/* */
10/* Interface for entity connectivity accessors. */
11/*---------------------------------------------------------------------------*/
12#ifndef ARCANE_CORE_IITEMCONNECTIVITYACCESSOR_H
13#define ARCANE_CORE_IITEMCONNECTIVITYACCESSOR_H
14/*---------------------------------------------------------------------------*/
15/*---------------------------------------------------------------------------*/
16
17#include "arcane/utils/ArrayView.h"
18#include "arcane/utils/String.h"
19
20#include "arcane/core/ItemTypes.h"
21
22/*---------------------------------------------------------------------------*/
23/*---------------------------------------------------------------------------*/
24
25namespace Arcane
26{
27
28/*---------------------------------------------------------------------------*/
29/*---------------------------------------------------------------------------*/
30
34class ARCANE_CORE_EXPORT IItemConnectivityAccessor
35{
36 friend ConnectivityItemVector;
37
38 public:
39
40 virtual ~IItemConnectivityAccessor() = default;
41
42 public:
43
45 virtual Integer nbConnectedItem(ItemLocalId lid) const = 0;
46
48 virtual Int32 connectedItemLocalId(ItemLocalId lid, Integer index) const = 0;
49
50 protected:
51
53 virtual void _initializeStorage(ConnectivityItemVector* civ) = 0;
54
56 virtual ItemVectorView _connectedItems(ItemLocalId item, ConnectivityItemVector& con_items) const = 0;
57};
58
59/*---------------------------------------------------------------------------*/
60/*---------------------------------------------------------------------------*/
61
62} // namespace Arcane
63
64/*---------------------------------------------------------------------------*/
65/*---------------------------------------------------------------------------*/
66
67#endif
ItemTypes.h
Declarations of types on entities.
Arcane::IItemConnectivityAccessor
Interface to manage access to a connectivity.
Definition IItemConnectivityAccessor.h:35
Arcane::IItemConnectivityAccessor::_connectedItems
virtual ItemVectorView _connectedItems(ItemLocalId item, ConnectivityItemVector &con_items) const =0
Fills con_items with the entities connected to item.
Arcane::IItemConnectivityAccessor::connectedItemLocalId
virtual Int32 connectedItemLocalId(ItemLocalId lid, Integer index) const =0
localId() of the index-th entity connected to the source entity with local ID lid
Arcane::IItemConnectivityAccessor::_initializeStorage
virtual void _initializeStorage(ConnectivityItemVector *civ)=0
Implements the initialization of civ for this connectivity.
Arcane::IItemConnectivityAccessor::nbConnectedItem
virtual Integer nbConnectedItem(ItemLocalId lid) const =0
Number of entities connected to the source entity with local ID lid.
Arcane::ItemLocalId
Index of an Item in a variable.
Definition ItemLocalId.h:42
Arcane::ItemVectorView
View on a vector of entities.
Definition ItemVectorView.h:240
Arcane
-- tab-width: 2; indent-tabs-mode: nil; coding: utf-8-with-signature --
Definition arcane/src/arcane/accelerator/AcceleratorGlobal.h:37
Arcane::Integer
Int32 Integer
Type representing an integer.
Definition ArccoreGlobal.h:293
Arcane::Int32
std::int32_t Int32
Signed integer type of 32 bits.
Definition ArccoreGlobal.h:233