Mercurial > hg > orthanc
annotate OrthancFramework/Sources/SQLite/StatementReference.cpp @ 4304:50b0c69b653a
continued abi
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Fri, 06 Nov 2020 16:33:52 +0100 |
| parents | d25f4c0fa160 |
| children | c847b0dfd255 |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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3 * |
| 3063 | 4 * Copyright (C) 2012-2016 Sebastien Jodogne <s.jodogne@orthanc-labs.com>, |
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5 * Medical Physics Department, CHU of Liege, Belgium |
| 0 | 6 * |
| 17 | 7 * Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 8 * | |
| 9 * Redistribution and use in source and binary forms, with or without | |
| 10 * modification, are permitted provided that the following conditions are | |
| 11 * met: | |
| 0 | 12 * |
| 17 | 13 * * Redistributions of source code must retain the above copyright |
| 14 * notice, this list of conditions and the following disclaimer. | |
| 15 * * Redistributions in binary form must reproduce the above | |
| 16 * copyright notice, this list of conditions and the following disclaimer | |
| 17 * in the documentation and/or other materials provided with the | |
| 18 * distribution. | |
| 19 * * Neither the name of Google Inc., the name of the CHU of Liege, | |
| 20 * nor the names of its contributors may be used to endorse or promote | |
| 21 * products derived from this software without specific prior written | |
| 22 * permission. | |
| 23 * | |
| 24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 25 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 26 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 27 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 28 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 30 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 31 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 32 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 33 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 0 | 35 **/ |
| 36 | |
| 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 |
| 0 | 42 #include "StatementReference.h" |
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43 #include "OrthancSQLiteException.h" |
| 0 | 44 |
| 1226 | 45 #if ORTHANC_SQLITE_STANDALONE != 1 |
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46 #include "../Logging.h" |
| 1226 | 47 #endif |
| 48 | |
| 1398 | 49 #include <string> |
| 0 | 50 #include <cassert> |
| 51 #include "sqlite3.h" | |
| 52 | |
| 59 | 53 namespace Orthanc |
| 0 | 54 { |
| 55 namespace SQLite | |
| 56 { | |
| 57 bool StatementReference::IsRoot() const | |
| 58 { | |
| 59 return root_ == NULL; | |
| 60 } | |
| 61 | |
| 62 StatementReference::StatementReference() | |
| 63 { | |
| 64 root_ = NULL; | |
| 65 refCount_ = 0; | |
| 66 statement_ = NULL; | |
| 67 assert(IsRoot()); | |
| 68 } | |
| 69 | |
| 70 StatementReference::StatementReference(sqlite3* database, | |
| 71 const char* sql) | |
| 72 { | |
| 73 if (database == NULL || sql == NULL) | |
| 74 { | |
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75 throw OrthancSQLiteException(ErrorCode_ParameterOutOfRange); |
| 0 | 76 } |
| 77 | |
| 78 root_ = NULL; | |
| 79 refCount_ = 0; | |
| 80 | |
| 81 int error = sqlite3_prepare_v2(database, sql, -1, &statement_, NULL); | |
| 82 if (error != SQLITE_OK) | |
| 83 { | |
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84 #if ORTHANC_SQLITE_STANDALONE != 1 |
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85 int extended = sqlite3_extended_errcode(database); |
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86 LOG(ERROR) << "SQLite: " << sqlite3_errmsg(database) << " (" << extended << ")"; |
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87 if (extended == SQLITE_IOERR_SHMSIZE /* 4874 */) |
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88 { |
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89 LOG(ERROR) << " This probably indicates that your filesystem is full"; |
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90 } |
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91 #endif |
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92 |
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93 throw OrthancSQLiteException(ErrorCode_SQLitePrepareStatement); |
| 0 | 94 } |
| 95 | |
| 96 assert(IsRoot()); | |
| 97 } | |
| 98 | |
| 99 StatementReference::StatementReference(StatementReference& other) | |
| 100 { | |
| 101 refCount_ = 0; | |
| 102 | |
| 103 if (other.IsRoot()) | |
| 104 { | |
| 105 root_ = &other; | |
| 106 } | |
| 107 else | |
| 108 { | |
| 109 root_ = other.root_; | |
| 110 } | |
| 111 | |
| 112 root_->refCount_++; | |
| 113 statement_ = root_->statement_; | |
| 114 | |
| 115 assert(!IsRoot()); | |
| 116 } | |
| 117 | |
| 118 StatementReference::~StatementReference() | |
| 119 { | |
| 120 if (IsRoot()) | |
| 121 { | |
| 122 if (refCount_ != 0) | |
| 123 { | |
| 656 | 124 // There remain references to this object. We cannot throw |
| 125 // an exception because: | |
| 126 // http://www.parashift.com/c++-faq/dtors-shouldnt-throw.html | |
| 127 | |
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128 #if ORTHANC_SQLITE_STANDALONE != 1 |
| 656 | 129 LOG(ERROR) << "Bad value of the reference counter"; |
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130 #endif |
| 0 | 131 } |
| 132 else if (statement_ != NULL) | |
| 133 { | |
| 134 sqlite3_finalize(statement_); | |
| 135 } | |
| 136 } | |
| 137 else | |
| 138 { | |
| 139 if (root_->refCount_ == 0) | |
| 140 { | |
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141 // There remain references to this object. We cannot throw |
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142 // an exception because: |
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143 // http://www.parashift.com/c++-faq/dtors-shouldnt-throw.html |
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144 |
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145 #if ORTHANC_SQLITE_STANDALONE != 1 |
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146 LOG(ERROR) << "Bad value of the reference counter"; |
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147 #endif |
| 0 | 148 } |
| 149 else | |
| 150 { | |
| 151 root_->refCount_--; | |
| 152 } | |
| 153 } | |
| 154 } | |
| 155 | |
| 156 uint32_t StatementReference::GetReferenceCount() const | |
| 157 { | |
| 158 return refCount_; | |
| 159 } | |
| 4304 | 160 |
| 161 sqlite3_stmt *StatementReference::GetWrappedObject() const | |
| 162 { | |
| 163 assert(statement_ != NULL); | |
| 164 return statement_; | |
| 165 } | |
| 0 | 166 } |
| 167 } |