Mercurial > hg > orthanc
annotate Core/SQLite/StatementReference.cpp @ 1220:9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 10 Nov 2014 16:33:51 +0100 |
| parents | a811bdf8b8eb |
| children | 3f62e1269cca |
| rev | line source |
|---|---|
| 0 | 1 /** |
| 59 | 2 * Orthanc - A Lightweight, RESTful DICOM Store |
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1220
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SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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3 * |
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SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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4 * Copyright (C) 2012-2014 Sebastien Jodogne <s.jodogne@gmail.com>, |
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SQLite wrapper is now fully independent of Orthanc
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parents:
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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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SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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38 #if ORTHANC_SQLITE_STANDALONE != 1 |
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precompiled headers
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39 #include "../PrecompiledHeaders.h" |
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parents:
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40 #include <glog/logging.h> |
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parents:
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41 #endif |
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parents:
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42 |
| 0 | 43 #include "StatementReference.h" |
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SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
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44 #include "OrthancSQLiteException.h" |
| 0 | 45 |
| 46 #include <cassert> | |
| 47 #include "sqlite3.h" | |
| 48 | |
| 59 | 49 namespace Orthanc |
| 0 | 50 { |
| 51 namespace SQLite | |
| 52 { | |
| 53 bool StatementReference::IsRoot() const | |
| 54 { | |
| 55 return root_ == NULL; | |
| 56 } | |
| 57 | |
| 58 StatementReference::StatementReference() | |
| 59 { | |
| 60 root_ = NULL; | |
| 61 refCount_ = 0; | |
| 62 statement_ = NULL; | |
| 63 assert(IsRoot()); | |
| 64 } | |
| 65 | |
| 66 StatementReference::StatementReference(sqlite3* database, | |
| 67 const char* sql) | |
| 68 { | |
| 69 if (database == NULL || sql == NULL) | |
| 70 { | |
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parents:
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71 throw OrthancSQLiteException("Parameter out of range"); |
| 0 | 72 } |
| 73 | |
| 74 root_ = NULL; | |
| 75 refCount_ = 0; | |
| 76 | |
| 77 int error = sqlite3_prepare_v2(database, sql, -1, &statement_, NULL); | |
| 78 if (error != SQLITE_OK) | |
| 79 { | |
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SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
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80 throw OrthancSQLiteException("SQLite: " + std::string(sqlite3_errmsg(database))); |
| 0 | 81 } |
| 82 | |
| 83 assert(IsRoot()); | |
| 84 } | |
| 85 | |
| 86 StatementReference::StatementReference(StatementReference& other) | |
| 87 { | |
| 88 refCount_ = 0; | |
| 89 | |
| 90 if (other.IsRoot()) | |
| 91 { | |
| 92 root_ = &other; | |
| 93 } | |
| 94 else | |
| 95 { | |
| 96 root_ = other.root_; | |
| 97 } | |
| 98 | |
| 99 root_->refCount_++; | |
| 100 statement_ = root_->statement_; | |
| 101 | |
| 102 assert(!IsRoot()); | |
| 103 } | |
| 104 | |
| 105 StatementReference::~StatementReference() | |
| 106 { | |
| 107 if (IsRoot()) | |
| 108 { | |
| 109 if (refCount_ != 0) | |
| 110 { | |
| 656 | 111 // There remain references to this object. We cannot throw |
| 112 // an exception because: | |
| 113 // http://www.parashift.com/c++-faq/dtors-shouldnt-throw.html | |
| 114 | |
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parents:
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115 #if ORTHANC_SQLITE_STANDALONE != 1 |
| 656 | 116 LOG(ERROR) << "Bad value of the reference counter"; |
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Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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117 #endif |
| 0 | 118 } |
| 119 else if (statement_ != NULL) | |
| 120 { | |
| 121 sqlite3_finalize(statement_); | |
| 122 } | |
| 123 } | |
| 124 else | |
| 125 { | |
| 126 if (root_->refCount_ == 0) | |
| 127 { | |
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128 // There remain references to this object. We cannot throw |
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parents:
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129 // an exception because: |
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5425bb6f1ea5
further cppcheck fixes
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parents:
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diff
changeset
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130 // http://www.parashift.com/c++-faq/dtors-shouldnt-throw.html |
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parents:
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131 |
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1220
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
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132 #if ORTHANC_SQLITE_STANDALONE != 1 |
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parents:
656
diff
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133 LOG(ERROR) << "Bad value of the reference counter"; |
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1220
9b9026560a5f
SQLite wrapper is now fully independent of Orthanc
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
824
diff
changeset
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134 #endif |
| 0 | 135 } |
| 136 else | |
| 137 { | |
| 138 root_->refCount_--; | |
| 139 } | |
| 140 } | |
| 141 } | |
| 142 | |
| 143 uint32_t StatementReference::GetReferenceCount() const | |
| 144 { | |
| 145 return refCount_; | |
| 146 } | |
| 147 } | |
| 148 } |