IQueryCombined.hpp

#pragma once
 
#include "DM/config.hpp"
#include "DM/Handle.hpp"
#include "DM/IQueryBase.hpp"
#include "DM/IQueryGeometry.hpp"
#include "DM/IQueryKnn.hpp"
 
DM_NAMESPACE_BEGIN
 
/// \brief combined spatial queries
class DM_API IQueryCombined : public IQueryBase
{
public:
  enum struct Operation
  {
    and_,
    or_
  };
 
  static IQueryCombined* New(const IQueryGeometry &region, const IQueryKnn &knn, Operation op = Operation::and_);
  static IQueryCombined* New(const IQueryKnn &knn, const IQueryGeometry &region, Operation op = Operation::and_);
 
protected:
  virtual ~IQueryCombined() {}
 
public:
  virtual const IQueryBase &left() const = 0;
  virtual const IQueryBase &right() const = 0;
  virtual Operation operatorType() const = 0;
 
  virtual void left(const IQueryBase &l)  = 0;
  virtual void right(const IQueryBase &r) = 0;
  virtual void operatorType(Operation op) = 0;
};
 
typedef Handle< IQueryCombined > QueryCombinedHandle;
 
// and/or operator as alternative for IQueryCombined::New method
DM_API QueryCombinedHandle operator&&(const IQueryGeometry&, const IQueryKnn&);
DM_API QueryCombinedHandle operator&&(const IQueryKnn&, const IQueryGeometry&);
 
DM_API QueryCombinedHandle operator||(const IQueryGeometry&, const IQueryKnn&);
DM_API QueryCombinedHandle operator||(const IQueryKnn&, const IQueryGeometry&);
 
 
DM_NAMESPACE_END