src/router_chain.hpp

   1 /* $Id: router_chain.hpp,v 1.1 2005-10-26 10:21:03 marc Exp $
   2    Copyright (c) 2005, Index Data.
   3
   4 %LICENSE%
   5  */
   6
   7 #ifndef ROUTER_CHAIN_HPP
   8 #define ROUTER_CHAIN_HPP
   9
  10 #include <stdexcept>
  11 #include <list>
  12
  13 #include "router.hpp"
  14
  15
  16 namespace yp2 {
  17     namespace filter {
  18         class Base;
  19     }
  20     class Package;
  21
  22
  23     class RouterChain : public Router {
  24     public:
  25         RouterChain(){};
  26         virtual ~RouterChain(){};
  27         virtual const filter::Base *move(const filter::Base *filter,
  28                                    const Package *package) const {
  29             std::list<const filter::Base *>::const_iterator it;
  30             it = m_filter_list.begin();
  31             if (filter)
  32                 {
  33                     for (; it != m_filter_list.end(); it++)
  34                         if (*it == filter)
  35                             {
  36                                 it++;
  37                                 break;
  38                             }
  39                 }
  40             if (it == m_filter_list.end())
  41                 {
  42                     //throw RouterException("no routing rules known");
  43                     return 0;
  44                 }
  45             return *it;
  46         };
  47         virtual void configure(){};
  48         RouterChain & rule(const filter::Base &filter){
  49             m_filter_list.push_back(&filter);
  50             return *this;
  51         }
  52     protected:
  53         std::list<const filter::Base *> m_filter_list;
  54     private:
  55         /// disabled because class is singleton
  56         RouterChain(const RouterChain &);
  57
  58         /// disabled because class is singleton
  59         RouterChain& operator=(const RouterChain &);
  60     };
  61
  62
  63
  64 }
  65
  66 #endif
  67 /*
  68  * Local variables:
  69  * c-basic-offset: 4
  70  * indent-tabs-mode: nil
  71  * c-file-style: "stroustrup"
  72  * End:
  73  * vim: shiftwidth=4 tabstop=8 expandtab
  74  */