changeset 1747:ca69082ab200 db-changes

reorganization
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 26 Oct 2015 16:58:11 +0100
parents d143db00a794
children 92203f713205
files CMakeLists.txt OrthancServer/DatabaseWrapperBase.h OrthancServer/LookupIdentifierQuery.cpp OrthancServer/LookupIdentifierQuery.h OrthancServer/Search/LookupIdentifierQuery.cpp OrthancServer/Search/LookupIdentifierQuery.h OrthancServer/Search/SetOfResources.cpp OrthancServer/Search/SetOfResources.h OrthancServer/ServerIndex.cpp OrthancServer/ServerToolbox.cpp OrthancServer/SetOfResources.cpp OrthancServer/SetOfResources.h UnitTestsSources/ServerIndexTests.cpp
diffstat 13 files changed, 559 insertions(+), 541 deletions(-) [+]
line wrap: on
line diff
--- a/CMakeLists.txt	Mon Oct 26 16:04:58 2015 +0100
+++ b/CMakeLists.txt	Mon Oct 26 16:58:11 2015 +0100
@@ -164,7 +164,6 @@
   OrthancServer/Internals/FindScp.cpp
   OrthancServer/Internals/MoveScp.cpp
   OrthancServer/Internals/StoreScp.cpp
-  OrthancServer/LookupIdentifierQuery.cpp
   OrthancServer/LuaScripting.cpp
   OrthancServer/OrthancFindRequestHandler.cpp
   OrthancServer/OrthancHttpHandler.cpp
@@ -181,11 +180,12 @@
   OrthancServer/ParsedDicomFile.cpp
   OrthancServer/QueryRetrieveHandler.cpp
   OrthancServer/ResourceFinder.cpp
+  OrthancServer/Search/LookupIdentifierQuery.cpp
+  OrthancServer/Search/SetOfResources.cpp
   OrthancServer/ServerContext.cpp
   OrthancServer/ServerEnumerations.cpp
   OrthancServer/ServerIndex.cpp
   OrthancServer/ServerToolbox.cpp
-  OrthancServer/SetOfResources.cpp
   OrthancServer/SliceOrdering.cpp
   OrthancServer/ToDcmtkBridge.cpp
 
--- a/OrthancServer/DatabaseWrapperBase.h	Mon Oct 26 16:04:58 2015 +0100
+++ b/OrthancServer/DatabaseWrapperBase.h	Mon Oct 26 16:58:11 2015 +0100
@@ -39,7 +39,6 @@
 #include "../Core/SQLite/Connection.h"
 #include "../OrthancServer/ExportedResource.h"
 #include "../OrthancServer/ServerIndexChange.h"
-#include "LookupIdentifierQuery.h"
 #include "ServerEnumerations.h"
 
 #include <list>
--- a/OrthancServer/LookupIdentifierQuery.cpp	Mon Oct 26 16:04:58 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,221 +0,0 @@
-/**
- * Orthanc - A Lightweight, RESTful DICOM Store
- * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
- * Department, University Hospital 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/>.
- **/
-
-
-#include "PrecompiledHeadersServer.h"
-#include "LookupIdentifierQuery.h"
-
-#include "../Core/OrthancException.h"
-#include "SetOfResources.h"
-
-#include <cassert>
-
-
-
-namespace Orthanc
-{
-  static const DicomTag patientIdentifiers[] = 
-  {
-    DICOM_TAG_PATIENT_ID,
-    DICOM_TAG_PATIENT_NAME,
-    DICOM_TAG_PATIENT_BIRTH_DATE
-  };
-
-  static const DicomTag studyIdentifiers[] = 
-  {
-    DICOM_TAG_PATIENT_ID,
-    DICOM_TAG_PATIENT_NAME,
-    DICOM_TAG_PATIENT_BIRTH_DATE,
-    DICOM_TAG_STUDY_INSTANCE_UID,
-    DICOM_TAG_ACCESSION_NUMBER,
-    DICOM_TAG_STUDY_DESCRIPTION,
-    DICOM_TAG_STUDY_DATE
-  };
-
-  static const DicomTag seriesIdentifiers[] = 
-  {
-    DICOM_TAG_SERIES_INSTANCE_UID
-  };
-
-  static const DicomTag instanceIdentifiers[] = 
-  {
-    DICOM_TAG_SOP_INSTANCE_UID
-  };
-
-  static void LoadIdentifiers(const DicomTag*& tags,
-                              size_t& size,
-                              ResourceType level)
-  {
-    switch (level)
-    {
-      case ResourceType_Patient:
-        tags = patientIdentifiers;
-        size = sizeof(patientIdentifiers) / sizeof(DicomTag);
-        break;
-
-      case ResourceType_Study:
-        tags = studyIdentifiers;
-        size = sizeof(studyIdentifiers) / sizeof(DicomTag);
-        break;
-
-      case ResourceType_Series:
-        tags = seriesIdentifiers;
-        size = sizeof(seriesIdentifiers) / sizeof(DicomTag);
-        break;
-
-      case ResourceType_Instance:
-        tags = instanceIdentifiers;
-        size = sizeof(instanceIdentifiers) / sizeof(DicomTag);
-        break;
-
-      default:
-        throw OrthancException(ErrorCode_ParameterOutOfRange);
-    }
-  }
-
-
-
-  LookupIdentifierQuery::~LookupIdentifierQuery()
-  {
-    for (Constraints::iterator it = constraints_.begin();
-         it != constraints_.end(); ++it)
-    {
-      delete *it;
-    }
-  }
-
-
-
-  void  LookupIdentifierQuery::CheckIndex(size_t index) const
-  {
-    if (index >= constraints_.size())
-    {
-      throw OrthancException(ErrorCode_ParameterOutOfRange);
-    }
-  }
-
-
-  bool LookupIdentifierQuery::IsIdentifier(const DicomTag& tag) const
-  {
-    const DicomTag* tags;
-    size_t size;
-
-    LoadIdentifiers(tags, size, level_);
-
-    for (size_t i = 0; i < size; i++)
-    {
-      if (tag == tags[i])
-      {
-        return true;
-      }
-    }
-
-    return false;
-  }
-
-
-  void LookupIdentifierQuery::AddConstraint(DicomTag tag,
-                                            IdentifierConstraintType type,
-                                            const std::string& value)
-  {
-    assert(IsIdentifier(tag));
-    constraints_.push_back(new Constraint(tag, type, NormalizeIdentifier(value)));
-  }
-
-
-  const DicomTag& LookupIdentifierQuery::GetTag(size_t index) const
-  {
-    CheckIndex(index);
-    return constraints_[index]->tag_;
-  }
-
-
-  IdentifierConstraintType  LookupIdentifierQuery::GetType(size_t index) const
-  {
-    CheckIndex(index);
-    return constraints_[index]->type_;
-  }
-
-
-  const std::string& LookupIdentifierQuery::GetValue(size_t index) const
-  {
-    CheckIndex(index);
-    return constraints_[index]->value_;
-  }
-
-
-  std::string LookupIdentifierQuery::NormalizeIdentifier(const std::string& value)
-  {
-    std::string s = Toolbox::ConvertToAscii(Toolbox::StripSpaces(value));
-    Toolbox::ToUpperCase(s);
-    return s;
-  }
-
-
-  void LookupIdentifierQuery::StoreIdentifiers(IDatabaseWrapper& database,
-                                               int64_t resource,
-                                               ResourceType level,
-                                               const DicomMap& map)
-  {
-    const DicomTag* tags;
-    size_t size;
-
-    LoadIdentifiers(tags, size, level);
-
-    for (size_t i = 0; i < size; i++)
-    {
-      const DicomValue* value = map.TestAndGetValue(tags[i]);
-      if (value != NULL &&
-          !value->IsNull() &&
-          !value->IsBinary())
-      {
-        std::string s = NormalizeIdentifier(value->GetContent());
-        database.SetIdentifierTag(resource, tags[i], s);
-      }
-    }
-  }
-
-
-  void LookupIdentifierQuery::Apply(std::list<std::string>& result,
-                                    IDatabaseWrapper& database)
-  {
-    SetOfResources resources(database, level_);
-    
-    for (size_t i = 0; i < GetSize(); i++)
-    {
-      std::list<int64_t> tmp;
-      database.LookupIdentifier(tmp, level_, GetTag(i), GetType(i), GetValue(i));
-      resources.Intersect(tmp);
-    }
-
-    resources.Flatten(result);
-  }
-}
--- a/OrthancServer/LookupIdentifierQuery.h	Mon Oct 26 16:04:58 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,129 +0,0 @@
-/**
- * Orthanc - A Lightweight, RESTful DICOM Store
- * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
- * Department, University Hospital 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 "ServerEnumerations.h"
-#include "IDatabaseWrapper.h"
-
-#include <vector>
-#include <boost/noncopyable.hpp>
-
-namespace Orthanc
-{
-  /**
-   * Primitive for wildcard matching, as defined in DICOM:
-   * http://dicom.nema.org/dicom/2013/output/chtml/part04/sect_C.2.html#sect_C.2.2.2.4
-   * 
-   * "Any occurrence of an "*" or a "?", then "*" shall match any
-   * sequence of characters (including a zero length value) and "?"
-   * shall match any single character. This matching is case
-   * sensitive, except for Attributes with an PN Value
-   * Representation (e.g., Patient Name (0010,0010))."
-   * 
-   * Pay attention to the fact that "*" (resp. "?") generally
-   * corresponds to "%" (resp. "_") in primitive LIKE of SQL. The
-   * values "%", "_", "\" should in the user request should
-   * respectively be escaped as "\%", "\_" and "\\".
-   *
-   * This matching must be case sensitive: The special case of PN VR
-   * is taken into consideration by normalizing the query string in
-   * method "NormalizeIdentifier()".
-   **/
-
-  class LookupIdentifierQuery : public boost::noncopyable
-  {
-  private:
-    struct Constraint
-    {
-      DicomTag                  tag_;
-      IdentifierConstraintType  type_;
-      std::string               value_;
-
-      Constraint(const DicomTag& tag,
-                 IdentifierConstraintType type,
-                 const std::string& value) : 
-        tag_(tag),
-        type_(type),
-        value_(value)
-      {
-      }
-    };
-
-    typedef std::vector<Constraint*>  Constraints;
-
-    ResourceType  level_;
-    Constraints   constraints_;
-
-    void CheckIndex(size_t index) const;
-
-    static std::string NormalizeIdentifier(const std::string& value);
-
-  public:
-    LookupIdentifierQuery(ResourceType level) : level_(level)
-    {
-    }
-
-    ~LookupIdentifierQuery();
-
-    bool IsIdentifier(const DicomTag& tag) const;
-
-    void AddConstraint(DicomTag tag,
-                       IdentifierConstraintType type,
-                       const std::string& value);
-
-    ResourceType GetLevel() const
-    {
-      return level_;
-    }
-
-    size_t GetSize() const
-    {
-      return constraints_.size();
-    }
-
-    const DicomTag& GetTag(size_t index) const;
-
-    IdentifierConstraintType  GetType(size_t index) const;
-
-    const std::string& GetValue(size_t index) const;
-
-    static void StoreIdentifiers(IDatabaseWrapper& database,
-                                 int64_t resource,
-                                 ResourceType level,
-                                 const DicomMap& map);
-
-    // The database must be locked
-    void Apply(std::list<std::string>& result,
-               IDatabaseWrapper& database);
-  };
-}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Search/LookupIdentifierQuery.cpp	Mon Oct 26 16:58:11 2015 +0100
@@ -0,0 +1,221 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital 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/>.
+ **/
+
+
+#include "../PrecompiledHeadersServer.h"
+#include "LookupIdentifierQuery.h"
+
+#include "../../Core/OrthancException.h"
+#include "SetOfResources.h"
+
+#include <cassert>
+
+
+
+namespace Orthanc
+{
+  static const DicomTag patientIdentifiers[] = 
+  {
+    DICOM_TAG_PATIENT_ID,
+    DICOM_TAG_PATIENT_NAME,
+    DICOM_TAG_PATIENT_BIRTH_DATE
+  };
+
+  static const DicomTag studyIdentifiers[] = 
+  {
+    DICOM_TAG_PATIENT_ID,
+    DICOM_TAG_PATIENT_NAME,
+    DICOM_TAG_PATIENT_BIRTH_DATE,
+    DICOM_TAG_STUDY_INSTANCE_UID,
+    DICOM_TAG_ACCESSION_NUMBER,
+    DICOM_TAG_STUDY_DESCRIPTION,
+    DICOM_TAG_STUDY_DATE
+  };
+
+  static const DicomTag seriesIdentifiers[] = 
+  {
+    DICOM_TAG_SERIES_INSTANCE_UID
+  };
+
+  static const DicomTag instanceIdentifiers[] = 
+  {
+    DICOM_TAG_SOP_INSTANCE_UID
+  };
+
+  static void LoadIdentifiers(const DicomTag*& tags,
+                              size_t& size,
+                              ResourceType level)
+  {
+    switch (level)
+    {
+      case ResourceType_Patient:
+        tags = patientIdentifiers;
+        size = sizeof(patientIdentifiers) / sizeof(DicomTag);
+        break;
+
+      case ResourceType_Study:
+        tags = studyIdentifiers;
+        size = sizeof(studyIdentifiers) / sizeof(DicomTag);
+        break;
+
+      case ResourceType_Series:
+        tags = seriesIdentifiers;
+        size = sizeof(seriesIdentifiers) / sizeof(DicomTag);
+        break;
+
+      case ResourceType_Instance:
+        tags = instanceIdentifiers;
+        size = sizeof(instanceIdentifiers) / sizeof(DicomTag);
+        break;
+
+      default:
+        throw OrthancException(ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+
+
+  LookupIdentifierQuery::~LookupIdentifierQuery()
+  {
+    for (Constraints::iterator it = constraints_.begin();
+         it != constraints_.end(); ++it)
+    {
+      delete *it;
+    }
+  }
+
+
+
+  void  LookupIdentifierQuery::CheckIndex(size_t index) const
+  {
+    if (index >= constraints_.size())
+    {
+      throw OrthancException(ErrorCode_ParameterOutOfRange);
+    }
+  }
+
+
+  bool LookupIdentifierQuery::IsIdentifier(const DicomTag& tag) const
+  {
+    const DicomTag* tags;
+    size_t size;
+
+    LoadIdentifiers(tags, size, level_);
+
+    for (size_t i = 0; i < size; i++)
+    {
+      if (tag == tags[i])
+      {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+
+  void LookupIdentifierQuery::AddConstraint(DicomTag tag,
+                                            IdentifierConstraintType type,
+                                            const std::string& value)
+  {
+    assert(IsIdentifier(tag));
+    constraints_.push_back(new Constraint(tag, type, NormalizeIdentifier(value)));
+  }
+
+
+  const DicomTag& LookupIdentifierQuery::GetTag(size_t index) const
+  {
+    CheckIndex(index);
+    return constraints_[index]->tag_;
+  }
+
+
+  IdentifierConstraintType  LookupIdentifierQuery::GetType(size_t index) const
+  {
+    CheckIndex(index);
+    return constraints_[index]->type_;
+  }
+
+
+  const std::string& LookupIdentifierQuery::GetValue(size_t index) const
+  {
+    CheckIndex(index);
+    return constraints_[index]->value_;
+  }
+
+
+  std::string LookupIdentifierQuery::NormalizeIdentifier(const std::string& value)
+  {
+    std::string s = Toolbox::ConvertToAscii(Toolbox::StripSpaces(value));
+    Toolbox::ToUpperCase(s);
+    return s;
+  }
+
+
+  void LookupIdentifierQuery::StoreIdentifiers(IDatabaseWrapper& database,
+                                               int64_t resource,
+                                               ResourceType level,
+                                               const DicomMap& map)
+  {
+    const DicomTag* tags;
+    size_t size;
+
+    LoadIdentifiers(tags, size, level);
+
+    for (size_t i = 0; i < size; i++)
+    {
+      const DicomValue* value = map.TestAndGetValue(tags[i]);
+      if (value != NULL &&
+          !value->IsNull() &&
+          !value->IsBinary())
+      {
+        std::string s = NormalizeIdentifier(value->GetContent());
+        database.SetIdentifierTag(resource, tags[i], s);
+      }
+    }
+  }
+
+
+  void LookupIdentifierQuery::Apply(std::list<std::string>& result,
+                                    IDatabaseWrapper& database)
+  {
+    SetOfResources resources(database, level_);
+    
+    for (size_t i = 0; i < GetSize(); i++)
+    {
+      std::list<int64_t> tmp;
+      database.LookupIdentifier(tmp, level_, GetTag(i), GetType(i), GetValue(i));
+      resources.Intersect(tmp);
+    }
+
+    resources.Flatten(result);
+  }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Search/LookupIdentifierQuery.h	Mon Oct 26 16:58:11 2015 +0100
@@ -0,0 +1,129 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital 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 "../ServerEnumerations.h"
+#include "../IDatabaseWrapper.h"
+
+#include <vector>
+#include <boost/noncopyable.hpp>
+
+namespace Orthanc
+{
+  /**
+   * Primitive for wildcard matching, as defined in DICOM:
+   * http://dicom.nema.org/dicom/2013/output/chtml/part04/sect_C.2.html#sect_C.2.2.2.4
+   * 
+   * "Any occurrence of an "*" or a "?", then "*" shall match any
+   * sequence of characters (including a zero length value) and "?"
+   * shall match any single character. This matching is case
+   * sensitive, except for Attributes with an PN Value
+   * Representation (e.g., Patient Name (0010,0010))."
+   * 
+   * Pay attention to the fact that "*" (resp. "?") generally
+   * corresponds to "%" (resp. "_") in primitive LIKE of SQL. The
+   * values "%", "_", "\" should in the user request should
+   * respectively be escaped as "\%", "\_" and "\\".
+   *
+   * This matching must be case sensitive: The special case of PN VR
+   * is taken into consideration by normalizing the query string in
+   * method "NormalizeIdentifier()".
+   **/
+
+  class LookupIdentifierQuery : public boost::noncopyable
+  {
+  private:
+    struct Constraint
+    {
+      DicomTag                  tag_;
+      IdentifierConstraintType  type_;
+      std::string               value_;
+
+      Constraint(const DicomTag& tag,
+                 IdentifierConstraintType type,
+                 const std::string& value) : 
+        tag_(tag),
+        type_(type),
+        value_(value)
+      {
+      }
+    };
+
+    typedef std::vector<Constraint*>  Constraints;
+
+    ResourceType  level_;
+    Constraints   constraints_;
+
+    void CheckIndex(size_t index) const;
+
+    static std::string NormalizeIdentifier(const std::string& value);
+
+  public:
+    LookupIdentifierQuery(ResourceType level) : level_(level)
+    {
+    }
+
+    ~LookupIdentifierQuery();
+
+    bool IsIdentifier(const DicomTag& tag) const;
+
+    void AddConstraint(DicomTag tag,
+                       IdentifierConstraintType type,
+                       const std::string& value);
+
+    ResourceType GetLevel() const
+    {
+      return level_;
+    }
+
+    size_t GetSize() const
+    {
+      return constraints_.size();
+    }
+
+    const DicomTag& GetTag(size_t index) const;
+
+    IdentifierConstraintType  GetType(size_t index) const;
+
+    const std::string& GetValue(size_t index) const;
+
+    static void StoreIdentifiers(IDatabaseWrapper& database,
+                                 int64_t resource,
+                                 ResourceType level,
+                                 const DicomMap& map);
+
+    // The database must be locked
+    void Apply(std::list<std::string>& result,
+               IDatabaseWrapper& database);
+  };
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Search/SetOfResources.cpp	Mon Oct 26 16:58:11 2015 +0100
@@ -0,0 +1,133 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital 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/>.
+ **/
+
+
+#include "../PrecompiledHeadersServer.h"
+#include "SetOfResources.h"
+
+#include "../../Core/OrthancException.h"
+
+
+namespace Orthanc
+{
+  void SetOfResources::Intersect(const std::list<int64_t>& resources)
+  {
+    if (resources_.get() == NULL)
+    {
+      resources_.reset(new Resources);
+
+      for (std::list<int64_t>::const_iterator
+             it = resources.begin(); it != resources.end(); ++it)
+      {
+        resources_->insert(*it);
+      }
+    }
+    else
+    {
+      std::auto_ptr<Resources> filtered(new Resources);
+
+      for (std::list<int64_t>::const_iterator
+             it = resources.begin(); it != resources.end(); ++it)
+      {
+        if (resources_->find(*it) != resources_->end())
+        {
+          filtered->insert(*it);
+        }
+      }
+
+      resources_ = filtered;
+    }
+  }
+
+
+  void SetOfResources::GoDown()
+  {
+    if (level_ == ResourceType_Instance)
+    {
+      throw OrthancException(ErrorCode_BadSequenceOfCalls);
+    }
+
+    std::auto_ptr<Resources> children(new Resources);
+
+    for (Resources::const_iterator it = resources_->begin(); 
+         it != resources_->end(); ++it)
+    {
+      std::list<int64_t> tmp;
+      database_.GetChildrenInternalId(tmp, *it);
+
+      for (std::list<int64_t>::const_iterator
+             child = tmp.begin(); child != tmp.end(); ++child)
+      {
+        children->insert(*child);
+      }
+    }
+
+    resources_ = children;
+
+    switch (level_)
+    {
+      case ResourceType_Patient:
+        level_ = ResourceType_Study;
+        break;
+
+      case ResourceType_Study:
+        level_ = ResourceType_Series;
+        break;
+
+      case ResourceType_Series:
+        level_ = ResourceType_Instance;
+        break;
+
+      default:
+        throw OrthancException(ErrorCode_InternalError);
+    }
+  }
+
+
+  void SetOfResources::Flatten(std::list<std::string>& result)
+  {
+    result.clear();
+      
+    if (resources_.get() == NULL)
+    {
+      // All the resources of this level are part of the filter
+      database_.GetAllPublicIds(result, level_);
+    }
+    else
+    {
+      for (Resources::const_iterator it = resources_->begin(); 
+           it != resources_->end(); ++it)
+      {
+        result.push_back(database_.GetPublicId(*it));
+      }
+    }
+  }
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/Search/SetOfResources.h	Mon Oct 26 16:58:11 2015 +0100
@@ -0,0 +1,71 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital 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 "../IDatabaseWrapper.h"
+
+#include <set>
+#include <boost/noncopyable.hpp>
+#include <memory>
+
+namespace Orthanc
+{
+  class SetOfResources : public boost::noncopyable
+  {
+  private:
+    typedef std::set<int64_t>  Resources;
+
+    IDatabaseWrapper&         database_;
+    ResourceType              level_;
+    std::auto_ptr<Resources>  resources_;
+    
+  public:
+    SetOfResources(IDatabaseWrapper& database,
+                   ResourceType level) : 
+      database_(database),
+      level_(level)
+    {
+    }
+
+    ResourceType GetLevel() const
+    {
+      return level_;
+    }
+
+    void Intersect(const std::list<int64_t>& resources);
+
+    void GoDown();
+
+    void Flatten(std::list<std::string>& result);
+  };
+}
--- a/OrthancServer/ServerIndex.cpp	Mon Oct 26 16:04:58 2015 +0100
+++ b/OrthancServer/ServerIndex.cpp	Mon Oct 26 16:58:11 2015 +0100
@@ -45,7 +45,7 @@
 #include "../Core/Logging.h"
 #include "../Core/Uuid.h"
 #include "../Core/DicomFormat/DicomArray.h"
-#include "LookupIdentifierQuery.h"
+#include "Search/LookupIdentifierQuery.h"
 
 #include "FromDcmtkBridge.h"
 #include "ServerContext.h"
--- a/OrthancServer/ServerToolbox.cpp	Mon Oct 26 16:04:58 2015 +0100
+++ b/OrthancServer/ServerToolbox.cpp	Mon Oct 26 16:58:11 2015 +0100
@@ -38,7 +38,7 @@
 #include "../Core/Logging.h"
 #include "../Core/OrthancException.h"
 #include "ParsedDicomFile.h"
-#include "LookupIdentifierQuery.h"
+#include "Search/LookupIdentifierQuery.h"
 
 #include <cassert>
 
--- a/OrthancServer/SetOfResources.cpp	Mon Oct 26 16:04:58 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,115 +0,0 @@
-/**
- * Orthanc - A Lightweight, RESTful DICOM Store
- * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
- * Department, University Hospital 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/>.
- **/
-
-
-#include "PrecompiledHeadersServer.h"
-#include "SetOfResources.h"
-
-#include "../Core/OrthancException.h"
-
-
-namespace Orthanc
-{
-  void SetOfResources::Intersect(const std::list<int64_t>& resources)
-  {
-    if (resources_.get() == NULL)
-    {
-      resources_.reset(new Resources);
-
-      for (std::list<int64_t>::const_iterator
-             it = resources.begin(); it != resources.end(); ++it)
-      {
-        resources_->insert(*it);
-      }
-    }
-    else
-    {
-      std::auto_ptr<Resources> filtered(new Resources);
-
-      for (std::list<int64_t>::const_iterator
-             it = resources.begin(); it != resources.end(); ++it)
-      {
-        if (resources_->find(*it) != resources_->end())
-        {
-          filtered->insert(*it);
-        }
-      }
-
-      resources_ = filtered;
-    }
-  }
-
-
-  void SetOfResources::GoDown()
-  {
-    if (level_ == ResourceType_Instance)
-    {
-      throw OrthancException(ErrorCode_BadSequenceOfCalls);
-    }
-
-    std::auto_ptr<Resources> children(new Resources);
-
-    for (Resources::const_iterator it = resources_->begin(); 
-         it != resources_->end(); ++it)
-    {
-      std::list<int64_t> tmp;
-      database_.GetChildrenInternalId(tmp, *it);
-
-      for (std::list<int64_t>::const_iterator
-             child = tmp.begin(); child != tmp.end(); ++child)
-      {
-        children->insert(*child);
-      }
-    }
-
-    resources_ = children;
-  }
-
-
-  void SetOfResources::Flatten(std::list<std::string>& result)
-  {
-    result.clear();
-      
-    if (resources_.get() == NULL)
-    {
-      // All the resources of this level are part of the filter
-      database_.GetAllPublicIds(result, level_);
-    }
-    else
-    {
-      for (Resources::const_iterator it = resources_->begin(); 
-           it != resources_->end(); ++it)
-      {
-        result.push_back(database_.GetPublicId(*it));
-      }
-    }
-  }
-}
--- a/OrthancServer/SetOfResources.h	Mon Oct 26 16:04:58 2015 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,71 +0,0 @@
-/**
- * Orthanc - A Lightweight, RESTful DICOM Store
- * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
- * Department, University Hospital 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 "IDatabaseWrapper.h"
-
-#include <set>
-#include <boost/noncopyable.hpp>
-#include <memory>
-
-namespace Orthanc
-{
-  class SetOfResources : public boost::noncopyable
-  {
-  private:
-    typedef std::set<int64_t>  Resources;
-
-    IDatabaseWrapper&         database_;
-    ResourceType              level_;
-    std::auto_ptr<Resources>  resources_;
-    
-  public:
-    SetOfResources(IDatabaseWrapper& database,
-                   ResourceType level) : 
-      database_(database),
-      level_(level)
-    {
-    }
-
-    ResourceType GetLevel() const
-    {
-      return level_;
-    }
-
-    void Intersect(const std::list<int64_t>& resources);
-
-    void GoDown();
-
-    void Flatten(std::list<std::string>& result);
-  };
-}
--- a/UnitTestsSources/ServerIndexTests.cpp	Mon Oct 26 16:04:58 2015 +0100
+++ b/UnitTestsSources/ServerIndexTests.cpp	Mon Oct 26 16:58:11 2015 +0100
@@ -39,6 +39,7 @@
 #include "../OrthancServer/DatabaseWrapper.h"
 #include "../OrthancServer/ServerContext.h"
 #include "../OrthancServer/ServerIndex.h"
+#include "../OrthancServer/Search/LookupIdentifierQuery.h"
 
 #include <ctype.h>
 #include <algorithm>