package class6_3_ComputerBuilder;

import java.util.*;


public class Composite extends Component{
	private String name;
	private double price;
	
	// any collection class could potentially work here
	private List<Component> components = new ArrayList<Component>();
	
	public void add(Component c) {
		// just use the methods of the underlying collection class
		components.add(c);
	}
	
	public void remove (Component c){
		components.remove(c);
	}
	
	Composite (String name) {
		this.name = name;
		this.price = 0;
	}
	
	Composite (String name, double basePrice) {
		this.name = name;
		this.price = basePrice;
	}
	
	public String getName() {
		return name;
	}
	
	/**
	 * Get the price of this composite object by recursing
	 * into all of it's constituent components (which could be either Parts
	 * or additional Composites)
	 */
	public double getPrice() {
		double compositePrice = price;
		for(int i =0; i<components.size(); i++) {
			Component temp = components.get(i);
			// if temp is a Composite, getPrice is a recursive call
			compositePrice += temp.getPrice();
		}
		
		return compositePrice;
	}
}