/**
 * A philosopher who thinks, gets hungry and eats with two forks.
 * 
 * @author Franck van Breugel
 */
public abstract class Philosopher extends Thread {
	private int id;
	private Table table;
	private Room room;
	
	/**
	 * Initialize this philosopher with the given id and table.
	 * 
	 * @param id the id of this philosopher.
	 * @param table the table of this philosopher.
	 */
	public Philosopher(int id, Table table) {
		this.id = id;
		this.table = table;
	}
	
	/**
	 * Life of this philosopher.
	 */
	public void run() {
		while (true) {
			// think
			// becomes hungry
			this.room.enter();
			this.table.pickUp(this.id);
			this.table.pickUp((this.id + 1) % 5);
			// eat
			this.table.putDown(this.id);
			this.table.putDown((this.id + 1) % 5);
			this.room.leave();
		}
	}
}