server.cc

Go to the documentation of this file.

/* -*- C++ -*-
 * $Id: server.cc 970 2005-04-08 16:30:46Z sjoyeux $
 */
#include "server.hh"

using namespace std;

using namespace utilmm::singleton;
using boost::recursive_mutex;

server* utilmm::singleton::server::the_instance = 0;

recursive_mutex utilmm::singleton::server::sing_mtx;

/*
 * class utilmm::singleton::server
 */
// structors 
server::server() {
  the_instance = this;
}

server::~server() {
  the_instance = 0;
}

// modifiers
void server::attach(std::string const &name, details::dummy_factory const& factory) {
  single_map::iterator it = singletons.find(name);
  if (it == singletons.end())
    it = singletons.insert( single_map::value_type(name, factory.create()) ).first;

  it->second->incr_ref();
}

bool server::detach(std::string const &name) {
  single_map::iterator i = singletons.find(name);

  if( i->second->decr_ref() ) {
    dummy *to_del = i->second;

    singletons.erase(i);
    delete to_del;
    return singletons.empty();
  }
  return false;
}

// observers 
dummy *server::get(std::string const &name) const {
  return singletons.find(name)->second;
}

// statics
server &server::instance() {
  if( 0==the_instance )
    new server;
  return *the_instance;
}