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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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3063
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4 * Copyright (C) 2012-2016 Sebastien Jodogne <s.jodogne@orthanc-labs.com>,
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1235
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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 #pragma once
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39
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40 #include "NonCopyable.h"
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41
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42 namespace Orthanc
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43 {
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44 namespace SQLite
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45 {
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46 class ITransaction : public NonCopyable
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47 {
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48 public:
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49 virtual ~ITransaction()
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50 {
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51 }
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52
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53 // Begins the transaction. This uses the default sqlite "deferred" transaction
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54 // type, which means that the DB lock is lazily acquired the next time the
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55 // database is accessed, not in the begin transaction command.
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56 virtual void Begin() = 0;
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57
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58 // Rolls back the transaction. This will happen automatically if you do
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59 // nothing when the transaction goes out of scope.
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60 virtual void Rollback() = 0;
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61
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62 // Commits the transaction, returning true on success.
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63 virtual void Commit() = 0;
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64 };
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65 }
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66 }
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