df/d9e/ITokenIterator_8h_source.html

/*

  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration

*/


#ifndef INCLUDE_PERSISTENCYSVC_ITOKENITERATOR_H

#define INCLUDE_PERSISTENCYSVC_ITOKENITERATOR_H


#include <cstddef>


// forward declarations

class Token;


namespace pool {


  class ITokenIterator {

  public:

    virtual ~ITokenIterator() {}


    virtual std::size_t size () = 0;


    virtual bool seek (std::size_t position) = 0;


    virtual Token* next() = 0;

  };


}


#endif

Token
This class provides a token that identifies in a unique way objects on the persistent storage.
Definition Token.h:21

pool::ITokenIterator
ITokenIterator is the interface class for iterators of tokens.
Definition ITokenIterator.h:21

pool::ITokenIterator::size
virtual std::size_t size()=0
Returns the size of the collection.

pool::ITokenIterator::next
virtual Token * next()=0
Returns the pointer to next token.

pool::ITokenIterator::~ITokenIterator
virtual ~ITokenIterator()
Empty destructor.
Definition ITokenIterator.h:24

pool::ITokenIterator::seek
virtual bool seek(std::size_t position)=0
Seek to a given position in the collection.

pool
pool namespace
Definition libname.h:15