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1 /**
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2 * Palantir - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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19
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20
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21 #pragma once
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22
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23 #include <boost/noncopyable.hpp>
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24 #include <stdint.h>
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25 #include <cassert>
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26 #include <stdlib.h>
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27
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28 struct sqlite3;
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29 struct sqlite3_stmt;
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30
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31 namespace Palantir
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32 {
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33 namespace SQLite
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34 {
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35 class StatementReference : boost::noncopyable
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36 {
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37 private:
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38 StatementReference* root_; // Only used for non-root nodes
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39 uint32_t refCount_; // Only used for root node
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40 struct sqlite3_stmt* statement_;
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41
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42 bool IsRoot() const;
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43
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44 public:
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45 StatementReference();
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46
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47 StatementReference(sqlite3* database,
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48 const char* sql);
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49
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50 StatementReference(StatementReference& other);
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51
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52 ~StatementReference();
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53
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54 uint32_t GetReferenceCount() const;
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55
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56 struct sqlite3_stmt* GetWrappedObject() const
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57 {
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58 assert(statement_ != NULL);
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59 return statement_;
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60 }
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61 };
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62 }
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63 }
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