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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * Copyright (c) 2012 The Chromium Authors. All rights reserved.
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7 *
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8 * Redistribution and use in source and binary forms, with or without
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9 * modification, are permitted provided that the following conditions are
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10 * met:
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11 *
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12 * * Redistributions of source code must retain the above copyright
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13 * notice, this list of conditions and the following disclaimer.
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14 * * Redistributions in binary form must reproduce the above
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15 * copyright notice, this list of conditions and the following disclaimer
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16 * in the documentation and/or other materials provided with the
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17 * distribution.
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18 * * Neither the name of Google Inc., the name of the CHU of Liege,
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19 * nor the names of its contributors may be used to endorse or promote
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20 * products derived from this software without specific prior written
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21 * permission.
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22 *
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23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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26 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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27 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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28 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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29 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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30 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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31 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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32 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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34 **/
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35
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36
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37 #include "Transaction.h"
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38
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39 namespace Orthanc
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40 {
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41 namespace SQLite
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42 {
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43 Transaction::Transaction(Connection& connection) :
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44 connection_(connection),
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45 isOpen_(false)
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46 {
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47 }
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48
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49 Transaction::~Transaction()
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50 {
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51 if (isOpen_)
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52 {
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53 connection_.RollbackTransaction();
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54 }
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55 }
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56
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57 void Transaction::Begin()
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58 {
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59 if (isOpen_)
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60 {
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61 throw OrthancException("SQLite: Beginning a transaction twice!");
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62 }
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63
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64 isOpen_ = connection_.BeginTransaction();
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65 if (!isOpen_)
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66 {
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67 throw OrthancException("SQLite: Unable to create a transaction");
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68 }
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69 }
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70
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71 void Transaction::Rollback()
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72 {
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73 if (!isOpen_)
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74 {
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75 throw OrthancException("SQLite: Attempting to roll back a nonexistent transaction. "
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76 "Did you remember to call Begin()?");
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77 }
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78
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79 isOpen_ = false;
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80
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81 connection_.RollbackTransaction();
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82 }
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83
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84 void Transaction::Commit()
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85 {
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86 if (!isOpen_)
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87 {
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88 throw OrthancException("SQLite: Attempting to roll back a nonexistent transaction. "
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89 "Did you remember to call Begin()?");
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90 }
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91
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92 isOpen_ = false;
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93
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94 if (!connection_.CommitTransaction())
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95 {
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96 throw OrthancException("SQLite: Failure when committing the transaction");
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97 }
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98 }
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99 }
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100 }
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