Mercurial > hg > orthanc
view Resources/Graveyard/DatabaseOptimizations/LookupIdentifierQuery.h @ 3037:d23c84b1c0f5 db-changes
integration mainline->db-changes
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 19 Dec 2018 16:31:10 +0100 |
parents | 8fd203510d8b |
children | ce272138f15e |
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/** * Orthanc - A Lightweight, RESTful DICOM Store * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2018 Osimis S.A., 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 "SetOfResources.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 { // This class encodes a conjunction ("AND") of disjunctions. Each // disjunction represents an "OR" of several constraints. public: class SingleConstraint { private: DicomTag tag_; IdentifierConstraintType type_; std::string value_; public: SingleConstraint(const DicomTag& tag, IdentifierConstraintType type, const std::string& value); const DicomTag& GetTag() const { return tag_; } IdentifierConstraintType GetType() const { return type_; } const std::string& GetValue() const { return value_; } }; class RangeConstraint { private: DicomTag tag_; std::string start_; std::string end_; public: RangeConstraint(const DicomTag& tag, const std::string& start, const std::string& end); const DicomTag& GetTag() const { return tag_; } const std::string& GetStart() const { return start_; } const std::string& GetEnd() const { return end_; } }; class Disjunction : public boost::noncopyable { private: std::vector<SingleConstraint*> singleConstraints_; std::vector<RangeConstraint*> rangeConstraints_; public: ~Disjunction(); void Add(const DicomTag& tag, IdentifierConstraintType type, const std::string& value); void AddRange(const DicomTag& tag, const std::string& start, const std::string& end); size_t GetSingleConstraintsCount() const { return singleConstraints_.size(); } const SingleConstraint& GetSingleConstraint(size_t i) const { return *singleConstraints_[i]; } size_t GetRangeConstraintsCount() const { return rangeConstraints_.size(); } const RangeConstraint& GetRangeConstraint(size_t i) const { return *rangeConstraints_[i]; } }; private: typedef std::vector<Disjunction*> Disjunctions; ResourceType level_; Disjunctions disjunctions_; public: LookupIdentifierQuery(ResourceType level) : level_(level) { } ~LookupIdentifierQuery(); bool IsIdentifier(const DicomTag& tag); void AddConstraint(DicomTag tag, IdentifierConstraintType type, const std::string& value); void AddRange(DicomTag tag, const std::string& start, const std::string& end); Disjunction& AddDisjunction(); ResourceType GetLevel() const { return level_; } // The database must be locked void Apply(std::list<std::string>& result, IDatabaseWrapper& database); void Apply(SetOfResources& result, IDatabaseWrapper& database); void Print(std::ostream& s) const; }; }