| 1 | /* | 
| 2 | * Copyright (c) 2005 The University of Notre Dame. All Rights Reserved. | 
| 3 | * | 
| 4 | * The University of Notre Dame grants you ("Licensee") a | 
| 5 | * non-exclusive, royalty free, license to use, modify and | 
| 6 | * redistribute this software in source and binary code form, provided | 
| 7 | * that the following conditions are met: | 
| 8 | * | 
| 9 | * 1. Acknowledgement of the program authors must be made in any | 
| 10 | *    publication of scientific results based in part on use of the | 
| 11 | *    program.  An acceptable form of acknowledgement is citation of | 
| 12 | *    the article in which the program was described (Matthew | 
| 13 | *    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher | 
| 14 | *    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented | 
| 15 | *    Parallel Simulation Engine for Molecular Dynamics," | 
| 16 | *    J. Comput. Chem. 26, pp. 252-271 (2005)) | 
| 17 | * | 
| 18 | * 2. Redistributions of source code must retain the above copyright | 
| 19 | *    notice, this list of conditions and the following disclaimer. | 
| 20 | * | 
| 21 | * 3. Redistributions in binary form must reproduce the above copyright | 
| 22 | *    notice, this list of conditions and the following disclaimer in the | 
| 23 | *    documentation and/or other materials provided with the | 
| 24 | *    distribution. | 
| 25 | * | 
| 26 | * This software is provided "AS IS," without a warranty of any | 
| 27 | * kind. All express or implied conditions, representations and | 
| 28 | * warranties, including any implied warranty of merchantability, | 
| 29 | * fitness for a particular purpose or non-infringement, are hereby | 
| 30 | * excluded.  The University of Notre Dame and its licensors shall not | 
| 31 | * be liable for any damages suffered by licensee as a result of | 
| 32 | * using, modifying or distributing the software or its | 
| 33 | * derivatives. In no event will the University of Notre Dame or its | 
| 34 | * licensors be liable for any lost revenue, profit or data, or for | 
| 35 | * direct, indirect, special, consequential, incidental or punitive | 
| 36 | * damages, however caused and regardless of the theory of liability, | 
| 37 | * arising out of the use of or inability to use software, even if the | 
| 38 | * University of Notre Dame has been advised of the possibility of | 
| 39 | * such damages. | 
| 40 | */ | 
| 41 | #ifndef BRAINS_BLOCKSNAPSHOTMANAGER_HPP | 
| 42 | #define BRAINS_BLOCKSNAPSHOTMANAGER_HPP | 
| 43 |  | 
| 44 | #include "brains/SnapshotManager.hpp" | 
| 45 | namespace oopse { | 
| 46 |  | 
| 47 | class SimInfo; | 
| 48 | class DumpReader; | 
| 49 |  | 
| 50 | typedef std::pair<int, int> SnapshotBlock; | 
| 51 |  | 
| 52 | /** | 
| 53 | * @class BlockSnapshotManager | 
| 54 | * @todo document | 
| 55 | */ | 
| 56 | class BlockSnapshotMananger : public SnapshotManager{ | 
| 57 |  | 
| 58 | public: | 
| 59 | BlockSnapshotMananger(SimInfo* info, const std::string& filename, int storageLayout, int blockCapacity = 2); | 
| 60 | ~BlockSnapshotMananger(); | 
| 61 |  | 
| 62 | virtual Snapshot* getSnapshot(int id); | 
| 63 |  | 
| 64 | /** Returns number of snapshot blocks in this BlockSnapshotManager*/ | 
| 65 | int getNBlocks() { | 
| 66 | return blocks_.size(); | 
| 67 | } | 
| 68 |  | 
| 69 | SnapshotBlock getSnapshotBlock(int block) { | 
| 70 | return blocks_.at(block); | 
| 71 | } | 
| 72 |  | 
| 73 | int getNActiveBlocks(); | 
| 74 |  | 
| 75 | bool isBlockActive(int block); | 
| 76 |  | 
| 77 | bool loadBlock(int block); | 
| 78 |  | 
| 79 | bool unloadBlock(int block); | 
| 80 |  | 
| 81 | std::vector<int> getActiveBlocks(); | 
| 82 |  | 
| 83 | int getBlockCapacity() { | 
| 84 | return blockCapacity_; | 
| 85 | } | 
| 86 |  | 
| 87 | int getNFrames() { | 
| 88 | return reader_->getNFrames(); | 
| 89 | } | 
| 90 |  | 
| 91 | private: | 
| 92 |  | 
| 93 | Snapshot* loadFrame(int frame); | 
| 94 |  | 
| 95 | SimInfo* info_; | 
| 96 | int storageLayout_; | 
| 97 | int blockCapacity_; | 
| 98 |  | 
| 99 | std::vector<Snapshot*> snapshots_; | 
| 100 | std::vector<SnapshotBlock> blocks_; | 
| 101 | std::vector<int> activeBlocks_; | 
| 102 |  | 
| 103 | int nAtoms_; | 
| 104 | int nRigidBodies_; | 
| 105 |  | 
| 106 | DumpReader* reader_; | 
| 107 | int nframes_; | 
| 108 | int nSnapshotPerBlock_; | 
| 109 |  | 
| 110 | }; | 
| 111 |  | 
| 112 | } | 
| 113 |  | 
| 114 | #endif |