JModuleRouter.hh

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#ifndef __JDETECTOR__JMODULEROUTER__
#define __JDETECTOR__JMODULEROUTER__

#include "JDetector/JModuleIdentifier.hh"
#include "JDetector/JModuleAddress.hh"
#include "JDetector/JDetector.hh"
#include "JTools/JRouter.hh"
#include "JLang/JReference.hh"


/**
 * \file
 * Direct access to module in detector data structure.
 * \author mdejong
 */
namespace JDETECTOR {}
namespace JPP { using namespace JDETECTOR; }

namespace JDETECTOR {


  using JLANG::JObjectID;
  using JLANG::JReference;
  using JLANG::getUndefinedObjectID;


  /**
   * Router for direct addressing of module data in detector data structure.
   *
   * This router can be used to directly map the module identifier (JModuleIdentifier) to
   * the logical address of the module (JModuleAddress) in the detector data structure.
   */
  class JModuleRouter :
    public JReference<const JDetector>
  {

    typedef JReference<const JDetector>    JReference_t;

  public:

    typedef JDetector::const_iterator      const_iterator;


    /**
     * Constructor.
     *
     * \param  detector   detector
     */
    JModuleRouter(const JDetector& detector) :
      JReference_t(detector),
      router(JModuleAddress(-1))
    {
      for (const_iterator module = detector.begin(); module != detector.end(); ++module) {
        router.put(module->getID(), JModuleAddress(std::distance(detector.begin(), module)));
      }
    }


    /**
     * Get module router.
     *
     * \return            module router
     */
    const JModuleRouter& getModuleRouter() const
    {
      return static_cast<const JModuleRouter&>(*this);
    }
      

    /**
     * Get address of module.
     *
     * \param  id         module identifier
     * \return            address
     */
    const JModuleAddress& getAddress(const JObjectID& id) const
    {
      return router.get(id.getID());
    }


    /**
     * Get module parameters.
     *
     * \param  id         module identifier
     * \return            module parameters
     */
    const JModule& getModule(const JObjectID& id) const
    {
      return getReference().getModule(this->getAddress(id));
    }


    /**
     * Has module.
     *
     * \param  id         module identifier
     * \return            true if module present; else false
     */
    bool hasModule(const JObjectID& id) const
    {
      return router.has(id.getID());
    }
      

    /**
     * Get index of module.
     *
     * \param  id         module identifier
     * \return            index
     */
    const int getIndex(const JObjectID& id) const
    {
      return getAddress(id).first;
    }


    /**
     * Get UTM position of given module identifier.
     *
     * \param  id         module identifier
     * \return            UTM position
     */
    JUTMPosition getUTMPosition(const JObjectID& id) const
    {
      return JUTMPosition(getModule(id).getPosition() + getReference().getPosition());
    }

  private:
    JTOOLS::JRouter<JModuleAddress> router;
  };
}

#endif