/* 
File:	 switch.h
Author:	R. P. Futrelle
Date:	 8/8/98
Notice:	Copyright 1998 by R. P. Futrelle and the College of Computer Science,
		Northeastern University
Class:  COM1204, Object-Oriented Design, Summer 1998.
Proj:	 PS2.µ Metrowerks Code Warrior Mac. Done in IDE version 2.0.1.
Purpose: Switch and Switch_Phone_State class definitions.
						

Modification history:
8/1/98:	RPF. Started.
8/8/98: RPF. Changed from three to four states.
							Converted from Links to Connectors.
							Local vars for phone indexes.

*/

class Switch : public Keywords {
	public:
	static int next_id;
	
	int id;
	int num_phones;
	int phone1, phone2;	// one or two phone states being worked with.
	
	Connector* connectors[MAX_CONNECTORS];
	Switch_Phone_State* states[MAX_PHONES];

	Switch();
	void run();
	
	};	


class Switch_Phone_State {
	public:
		bool answered, dialing, picked_up, ringing;
		int connected_to;	// other phone number
		
		Switch_Phone_State();
		
		bool is_state(bool a, bool d, bool p, bool r);
		void set_state(bool a, bool d, bool p, bool r);

	};