aowih;oribn'o

// represents the and/or function taking in two TrueFalses
// @author Chris Tsuei

public class BooleanOperation extends TrueFalse{

	/*	Operation is the operation to be done
	 * 	first and second are the TrueFalses to be done and evaluated
	 */
	private Operator operation;
	private TrueFalse first;
	private TrueFalse second;

	/*	The constructor for BooleanOperation
	 * 	@param operator the operation to be done
	 * 	@param one	the first TrueFalse to be done
	 * 	@param two the second TrueFalse to be done
	 */
	public BooleanOperation(Operator operator, TrueFalse one, TrueFalse two) {
		this.operation = operator;
		this.first = one;
		this.second = two;
	}

	//the enum of operations that can be done in this class
	public enum Operator {
		//the two possible TrueFalses, ADD and Or
	Add, Or;}

	/*	evaluating the expressions
	 * 	@Override
	 * 	@param state the hashtable containing the variables for the expressions
	 * 	@return the result of the and/or TrueFalse between two TrueFalses
	 */
	public boolean value(State state) {
		if(operation.equals("Add")) {
			return first.value(state) && second.value(state);
		}
		else {
			return first.value(state) || second.value(state);
		}
	}

	/*	@Override overides the toString() method
	 * 	@return returns the string value of the operation
	 */
	public String toString() {
		String c;
		if(operation.equals("Add")) {
			c = "&&";
		}
		else {
			c = "||";
		}
		return first.toString() + " " + c + " " + second.toString();
	}
}