Query.h

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//
// Created by Nico Schäfer on 4/24/17.
//
 
#ifndef JODA_QUERY_H
#define JODA_QUERY_H
 
#include <joda/document/RapidJsonDocument.h>
#include <joda/export/IExportDestination.h>
#include <joda/join/JoinManager.h>
#include <joda/parser/IImportSource.h>
#include <joda/query/aggregation/IAggregator.h>
#include <joda/query/predicate/Predicate.h>
#include <joda/query/project/IProjector.h>
#include <joda/query/project/ISetProjector.h>
#include <memory>
 
namespace joda::query {
class Query {
 public:
  Query();
 
  bool check(const RapidJsonDocument &json) const;
 
  const std::string &getLoad() const;
 
  void setLoad(const std::string &load);
 
  const std::string &getDelete() const;
 
  void setDelete(const std::string &del);
 
  void setPredicate(std::unique_ptr<Predicate> &&predicate);
 
  std::unique_ptr<Predicate> getPredicate() const;
 
  void addProjection(std::unique_ptr<IProjector> &&expr);
  const std::vector<std::unique_ptr<IProjector>> &getProjectors() const;
 
  void addProjection(std::unique_ptr<ISetProjector> &&expr);
 
  const std::vector<std::unique_ptr<ISetProjector>> &getSetProjectors() const;
 
  void addAggregator(std::unique_ptr<IAggregator> &&agg);
 
  bool hasAggregators();
  const std::vector<std::unique_ptr<IAggregator>> &getAggregators() const;
  const std::vector<std::unique_ptr<docparsing::IImportSource>>
      &getImportSources() const;
  void addImportSource(std::unique_ptr<docparsing::IImportSource> &&source);
  const std::shared_ptr<JoinManager> &getLoadJoinManager() const;
  void setLoadJoinManager(const std::shared_ptr<JoinManager> &loadJoinManager);
  const std::shared_ptr<JoinManager> &getStoreJoinManager() const;
  void setStoreJoinManager(
      const std::shared_ptr<JoinManager> &storeJoinManager);
  std::unique_ptr<IExportDestination> &getExportDestination();
  void setExportDestination(
      std::unique_ptr<IExportDestination> &&exportDestination);
 
  bool isDefault() const;
 
  bool chooseIsConst(bool &val) const;
 
  bool canCreateView() const;
 
  std::string toString() const;
 
  std::vector<std::string> getAllUsedAttributes() const;
  std::vector<std::string> getChooseAttributes() const;
  std::vector<std::string> getASAttributes() const;
  std::vector<std::string> getAGGAttributes() const;
 
 protected:
  /*
   * Load command
   */
  std::vector<std::unique_ptr<docparsing::IImportSource>> importSources{};
  std::string load{};
 
  std::shared_ptr<JoinManager> loadJoinManager = nullptr;
 
  /*
   * Choose command
   */
  std::unique_ptr<Predicate> pred = nullptr;
 
  /*
   * AS command
   */
  std::vector<std::unique_ptr<IProjector>> projectors{};
  std::vector<std::unique_ptr<ISetProjector>> setProjectors{};
 
  /*
   * AGG command
   */
 
  std::vector<std::unique_ptr<IAggregator>> aggregators{};
 
  /*
   * Store command
   */
  std::unique_ptr<IExportDestination> exportDestination;
  std::shared_ptr<JoinManager> storeJoinManager = nullptr;
  std::string store;
 
  /*
   * Delete command
   */
  std::string del;
};
}  // namespace joda::query
 
#endif  // JODA_QUERY_H