--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/DatabaseWrapper.h	Mon Nov 12 14:52:30 2012 +0100
@@ -0,0 +1,151 @@
+/**
+ * Orthanc - 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.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * 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/>.
+ **/
+
+
+#pragma once
+
+#include "../Core/SQLite/Connection.h"
+#include "../Core/DicomFormat/DicomInstanceHasher.h"
+#include "IServerIndexListener.h"
+
+#include <list>
+#include <boost/date_time/posix_time/posix_time.hpp>
+
+namespace Orthanc
+{
+  namespace Internals
+  {
+    class SignalRemainingAncestor;
+  }
+
+  /**
+   * This class manages an instance of the Orthanc SQLite database. It
+   * translates low-level requests into SQL statements. Mutual
+   * exclusion MUST be implemented at a higher level.
+   **/
+  class DatabaseWrapper
+  {
+  private:
+    IServerIndexListener& listener_;
+    SQLite::Connection db_;
+    Internals::SignalRemainingAncestor* signalRemainingAncestor_;
+
+    void Open();
+
+  public:
+    void SetGlobalProperty(const std::string& name,
+                           const std::string& value);
+
+    bool FindGlobalProperty(std::string& target,
+                            const std::string& name);
+
+    std::string GetGlobalProperty(const std::string& name,
+                                  const std::string& defaultValue = "");
+
+    int64_t CreateResource(const std::string& publicId,
+                           ResourceType type);
+
+    bool FindResource(const std::string& publicId,
+                      int64_t& id,
+                      ResourceType& type);
+
+    void AttachChild(int64_t parent,
+                     int64_t child);
+
+    void DeleteResource(int64_t id);
+
+    void SetMetadata(int64_t id,
+                     MetadataType type,
+                     const std::string& value);
+
+    bool FindMetadata(std::string& target,
+                      int64_t id,
+                      MetadataType type);
+
+    std::string GetMetadata(int64_t id,
+                            MetadataType type,
+                            const std::string& defaultValue = "");
+
+    void AttachFile(int64_t id,
+                    const std::string& name,
+                    const std::string& fileUuid,
+                    size_t compressedSize,
+                    size_t uncompressedSize,
+                    CompressionType compressionType);
+
+    void AttachFile(int64_t id,
+                    const std::string& name,
+                    const std::string& fileUuid,
+                    size_t fileSize)
+    {
+      AttachFile(id, name, fileUuid, fileSize, fileSize, CompressionType_None);
+    }
+
+    bool FindFile(int64_t id,
+                  const std::string& name,
+                  std::string& fileUuid,
+                  size_t& compressedSize,
+                  size_t& uncompressedSize,
+                  CompressionType& compressionType);
+
+    void SetMainDicomTags(int64_t id,
+                          const DicomMap& tags);
+
+    void GetMainDicomTags(DicomMap& map,
+                          int64_t id);
+
+    bool GetParentPublicId(std::string& result,
+                           int64_t id);
+
+    void GetChildrenPublicId(std::list<std::string>& result,
+                             int64_t id);
+
+    void LogChange(ChangeType changeType,
+                   const std::string& publicId,
+                   ResourceType resourceType,
+                   const boost::posix_time::ptime& date);
+
+    void LogExportedInstance(const std::string& remoteModality,
+                             DicomInstanceHasher& hasher,
+                             const boost::posix_time::ptime& date);
+    
+    int64_t GetTableRecordCount(const std::string& table);
+    
+    uint64_t GetTotalCompressedSize();
+    
+    uint64_t GetTotalUncompressedSize();
+
+    DatabaseWrapper(const std::string& path,
+                    IServerIndexListener& listener);
+
+    DatabaseWrapper(IServerIndexListener& listener);
+  };
+}