ConsumerID.h

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// $Id: ConsumerID.h,v 1.4 2011/03/07 15:31:31 mommsen Exp $

#ifndef EventFilter_StorageManager_ConsumerID_h
#define EventFilter_StorageManager_ConsumerID_h

#include <cstddef>
#include <iostream>

#include "EventFilter/StorageManager/interface/EnquingPolicyTag.h"

namespace stor {

  struct ConsumerID
  {
    unsigned int value;

    explicit ConsumerID(unsigned int id = 0) : value(id) { }


    bool isValid() const { return value != 0; }

    bool operator< (ConsumerID other) const { return value < other.value; }

    bool operator==(ConsumerID other) const { return value == other.value; }

    bool operator!=(ConsumerID other) const { return value != other.value; }

    ConsumerID& operator++() { ++value; return *this; }

    ConsumerID operator++(int) {ConsumerID ret(*this); ++value; return ret;}
  };


  
  inline
  std::ostream&
  operator<< ( std::ostream& os, ConsumerID id)
  {
    return os << id.value;
  }

} // namespace stor

#endif // EventFilter_StorageManager_ConsumerID_h