import java.util.Observable;


public class AndGate extends Gate {

	@Override
	public void eval() {
		Wire output = getOutput(0);
		boolean newState = true;
		for(int i = 0; i < inputs.size(); i++) {
			Wire next = getInput(i);
			if (next == null) break;
			if (!next.getState()) {
				newState = false;
				break;
			}
		}
		if (output != null) {
			output.setState(newState);
		}

	}

	@Override
	public void update(Observable o, Object arg) {
		// TODO Auto-generated method stub
		eval();

	}

}