// Parallel Computing
//
// Power line
//
// Author  Matthew Caryl
// Created 24.1.97

package Parallel;

public class Power {
	//
	// Public interface
	//
	
	public Power() {
		// do nothing
		}
	
	public byte check() {
		return power;
		}
	
	public byte drain() {
		byte p = power;
		power = 0;
		return p;
		}
	
	public void charge(byte p) {
		int load = power + p;
		if (load <= LIMIT)
			power = (byte) load;
		else {
			System.out.println(load);
			power = 0;
			working = false;
			}
		}
	
	public void charge() {
		power = LIMIT;
		}
	
	//
	// Private interface
	//
	
	private static final byte LIMIT = (byte) 127;
	private byte power = 0;
	private boolean working = true;
	}