// ////////////////////////////////////////////////////////
// Lecture on the CORBA Component Model, summer term 2003
// Assignment 6, Stephan Brumme, 702544
//
// CORBA CCM HomeFinder (Implementation)
//

#ifndef __HOMEFINDERIMPL_H__
#define __HOMEFINDERIMPL_H__

// generated by the IDL compiler
#pragma warning (disable: 4267)
#include "ccm.h"

// use some stuff from STL
#include <list>
#include <string>
using namespace std;


// just for convenience
using namespace Components;

class HomeFinder_Impl : public virtual POA_HPI::HomeFinder
{
public:
	// ctor
	HomeFinder_Impl(CORBA::ORB_var theOrb) : orb(theOrb) {}

	// HomeFinder's interface
	CCMHome_ptr find_home_by_component_type( const char* comp_repid );
	CCMHome_ptr find_home_by_home_type( const char* home_repid );
	CCMHome_ptr find_home_by_name( const char* home_name );
	// additional interface requested by Mr. von Loewis
	CORBA::Long _cxx_register( const char* comp_repid, const char* home_repid, CCMHome_ptr the_home );
	void unregister( CORBA::Long cookie );

private:
	// the ORB's reference
	CORBA::ORB_var orb;
	// a very basic unique ID generator
	static CORBA::Long uniqueId;

	// a single entry of the directory
	struct Entry
	{
		string compRepId;
		string homeRepId;
		string homeName; 
		CORBA::Long uniqueId;
	};

	// a collection holding the directory
	typedef list<Entry> directoryCollection;
	// an iterator (for the directory)
	typedef directoryCollection::iterator directoryIterator;
	// the directory itself
	directoryCollection directory;
};


#endif // __HOMEFINDERIMPL_H__