source: src/LinkedCell/LinkedCell_Model_LinkedCellArrayCache.hpp@ 5e2864

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Last change on this file since 5e2864 was 54f3d1, checked in by Frederik Heber <heber@…>, 13 years ago

Removed short-wiring of updates as they are now passed through LinkedCellArrayCache.

  • replaced ..._internal() calls by Changes->addUpdate(..) in LinkedCell_Model.
  • added some verbosity to allow for following the chain of updates.
  • new unit test function lazyUpdatesTest() in LinkedCell_ModelTest.
  • TESTFIX: nodeTest() and insertPointCloudTest() needed a forced update at the right places due to the cached nature now as they access internals bypassing the automatic updates.
  • Property mode set to 100644
File size: 1.8 KB
RevLine 
[8c31865]1/*
2 * LinkedCell_Model_LinkedCellArrayCache.hpp
3 *
4 * Created on: Dec 20, 2011
5 * Author: heber
6 */
7
8#ifndef LINKEDCELL_MODEL_LINKEDCELLARRAYCACHE_HPP_
9#define LINKEDCELL_MODEL_LINKEDCELLARRAYCACHE_HPP_
10
11// include config.h
12#ifdef HAVE_CONFIG_H
13#include <config.h>
14#endif
15
16#include <boost/function.hpp>
17
18#include "CodePatterns/Cacheable.hpp"
19
20#include "LinkedCell_Model.hpp"
21
22#include "types.hpp"
23
24namespace LinkedCell {
25
26 /** This class is used to separate reading from writing access.
27 *
28 * Write operations are stored and perform first (lazily) when the next read
29 * operation requires a fully update instance.
30 *
31 */
32 class LinkedCell_Model::LinkedCellArrayCache {
33 //!> grant LinkedCell_Model access to N for its write operations.
34 friend class LinkedCell_Model;
[54f3d1]35 //!> grant access to model's unit test (to externally allow for update before checking internals)
36 friend class ::LinkedCell_ModelTest;
[8c31865]37 public:
38 LinkedCellArrayCache(
39 Observable *_observable,
40 boost::function<void ()> _updatefunction,
41 const std::string _name);
42 ~LinkedCellArrayCache();
43
44 const LinkedCellArray &getN() const;
45
46 /** Internal update function for Cacheable UpToDate.
47 *
48 * @return true after updatefunction was called.
49 */
50 bool updateMe() {
51 updatefunction();
52 return true;
53 }
54
55 private:
56 LinkedCellArray &setN();
57
58 //!> update function
59 boost::function<void ()> updatefunction;
60
61 /** Pseudo variable to use the Cacheable pattern.
62 *
63 * We cannot use a complex variable for this due the cost of the cstor
64 * involved as the update always returns the updated structure
65 */
66 Cacheable<bool> UpToDate;
67
68 //!> Linked cell array cache
69 LinkedCellArray N;
70
71 };
72
73} // namespace LinkedCell
74
75
76#endif /* LINKEDCELL_MODEL_LINKEDCELLARRAYCACHE_HPP_ */
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