#ifndef __JMATCH__
#define __JMATCH__

#include <functional>

#include "JLang/JClonable.hh"

namespace JTRIGGER {

  namespace {
    using JLANG::JClonable;
  }


  /**
   * Function object interface for hit matching.
   */
  template<class JHit_t>
  class JMatch : 
    public JClonable< JMatch<JHit_t> >,
    public std::binary_function<JHit_t, JHit_t, bool> 
  {
  public:
    /** 
     * Virtual destructor.
     */
    virtual ~JMatch()
    {}

    
    /**
     * Match operator.
     *
     * \param  first    hit
     * \param  second   hit
     * \return          match result
     */
    virtual bool operator()(const JHit_t& first, const JHit_t& second) const = 0;
  };
}

#endif