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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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4 * Department, University Hospital of Liege, Belgium
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5 * Copyright (C) 2017-2018 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #pragma once
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23
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24 #if ORTHANC_ENABLE_POSTGRESQL != 1
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25 # error PostgreSQL support must be enabled to use this file
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26 #endif
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27
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28 #include "PostgreSQLDatabase.h"
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29
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30 #include <libpq-fe.h>
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31
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32 namespace OrthancDatabases
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33 {
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34 class PostgreSQLLargeObject : public boost::noncopyable
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35 {
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36 private:
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37 class Reader;
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38
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39 PostgreSQLDatabase& database_;
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40 Oid oid_;
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41
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42 void Create();
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43
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44 void Write(const void* data,
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45 size_t size);
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46
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47 public:
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48 PostgreSQLLargeObject(PostgreSQLDatabase& database,
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49 const void* data,
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50 size_t size);
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51
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52 PostgreSQLLargeObject(PostgreSQLDatabase& database,
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53 const std::string& s);
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54
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55 std::string GetOid() const;
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56
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57 static void Read(std::string& target,
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58 PostgreSQLDatabase& database,
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59 const std::string& oid);
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60
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61 static void Read(void*& target,
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62 size_t& size,
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63 PostgreSQLDatabase& database,
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64 const std::string& oid);
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65
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66 static void Delete(PostgreSQLDatabase& database,
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67 const std::string& oid);
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68 };
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69
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70 }
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