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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 *
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4 * Copyright (C) 2012-2015 Sebastien Jodogne <s.jodogne@gmail.com>,
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5 * Medical Physics Department, CHU of Liege, Belgium
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6 *
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7 * Copyright (c) 2012 The Chromium Authors. All rights reserved.
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8 *
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9 * Redistribution and use in source and binary forms, with or without
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10 * modification, are permitted provided that the following conditions are
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11 * met:
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12 *
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13 * * Redistributions of source code must retain the above copyright
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14 * notice, this list of conditions and the following disclaimer.
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15 * * Redistributions in binary form must reproduce the above
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16 * copyright notice, this list of conditions and the following disclaimer
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17 * in the documentation and/or other materials provided with the
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18 * distribution.
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19 * * Neither the name of Google Inc., the name of the CHU of Liege,
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20 * nor the names of its contributors may be used to endorse or promote
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21 * products derived from this software without specific prior written
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22 * permission.
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23 *
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24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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27 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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28 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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35 **/
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36
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37
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38 #if ORTHANC_SQLITE_STANDALONE != 1
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39 #include "../PrecompiledHeaders.h"
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40 #endif
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41
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42 #include "Transaction.h"
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43 #include "OrthancSQLiteException.h"
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44
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45 namespace Orthanc
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46 {
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47 namespace SQLite
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48 {
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49 Transaction::Transaction(Connection& connection) :
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50 connection_(connection),
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51 isOpen_(false)
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52 {
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53 }
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54
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55 Transaction::~Transaction()
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56 {
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57 if (isOpen_)
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58 {
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59 connection_.RollbackTransaction();
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60 }
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61 }
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62
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63 void Transaction::Begin()
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64 {
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65 if (isOpen_)
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66 {
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67 throw OrthancSQLiteException("SQLite: Beginning a transaction twice!");
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68 }
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69
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70 isOpen_ = connection_.BeginTransaction();
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71 if (!isOpen_)
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72 {
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73 throw OrthancSQLiteException("SQLite: Unable to create a transaction");
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74 }
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75 }
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76
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77 void Transaction::Rollback()
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78 {
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79 if (!isOpen_)
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80 {
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81 throw OrthancSQLiteException("SQLite: Attempting to roll back a nonexistent transaction. "
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82 "Did you remember to call Begin()?");
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83 }
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84
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85 isOpen_ = false;
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86
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87 connection_.RollbackTransaction();
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88 }
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89
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90 void Transaction::Commit()
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91 {
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92 if (!isOpen_)
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93 {
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94 throw OrthancSQLiteException("SQLite: Attempting to roll back a nonexistent transaction. "
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95 "Did you remember to call Begin()?");
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96 }
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97
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98 isOpen_ = false;
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99
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100 if (!connection_.CommitTransaction())
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101 {
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102 throw OrthancSQLiteException("SQLite: Failure when committing the transaction");
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103 }
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104 }
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105 }
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106 }
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