Mercurial > hg > orthanc
view Core/SQLite/StatementReference.cpp @ 2:67a6978503b7
fixing Windows build
author | Jodogne@Laptop |
---|---|
date | Thu, 19 Jul 2012 22:33:27 +0200 |
parents | 3959d33612cc |
children | db4d996ea264 |
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/** * Palantir - A Lightweight, RESTful DICOM Store * Copyright (C) 2012 Medical Physics Department, CHU of Liege, * Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "StatementReference.h" #include "../PalantirException.h" #include <cassert> #include "sqlite3.h" namespace Palantir { namespace SQLite { bool StatementReference::IsRoot() const { return root_ == NULL; } StatementReference::StatementReference() { root_ = NULL; refCount_ = 0; statement_ = NULL; assert(IsRoot()); } StatementReference::StatementReference(sqlite3* database, const char* sql) { if (database == NULL || sql == NULL) { throw PalantirException(ErrorCode_ParameterOutOfRange); } root_ = NULL; refCount_ = 0; int error = sqlite3_prepare_v2(database, sql, -1, &statement_, NULL); if (error != SQLITE_OK) { throw PalantirException("SQLite: " + std::string(sqlite3_errmsg(database))); } assert(IsRoot()); } StatementReference::StatementReference(StatementReference& other) { refCount_ = 0; if (other.IsRoot()) { root_ = &other; } else { root_ = other.root_; } root_->refCount_++; statement_ = root_->statement_; assert(!IsRoot()); } StatementReference::~StatementReference() { if (IsRoot()) { if (refCount_ != 0) { // There remain references to this object throw PalantirException(ErrorCode_InternalError); } else if (statement_ != NULL) { sqlite3_finalize(statement_); } } else { if (root_->refCount_ == 0) { throw PalantirException(ErrorCode_InternalError); } else { root_->refCount_--; } } } uint32_t StatementReference::GetReferenceCount() const { return refCount_; } } }