OSLImplies.java

package de.tum.in.i22.uc.pdp.core.condition.operators;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import de.tum.in.i22.uc.pdp.core.condition.Operator;
import de.tum.in.i22.uc.pdp.core.shared.Event;
import de.tum.in.i22.uc.pdp.core.shared.IPdpMechanism;
import de.tum.in.i22.uc.pdp.xsd.ImpliesType;

public class OSLImplies extends ImpliesType {
	private static Logger log = LoggerFactory.getLogger(OSLImplies.class);

	public OSLImplies() {
	}

	public OSLImplies(Operator operand1, Operator operand2) {
		this.getOperators().add(operand1);
		this.getOperators().add(operand2);
	}

	@Override
	public void initOperatorForMechanism(IPdpMechanism mech) {
		super.initOperatorForMechanism(mech);
		((Operator) this.getOperators().get(0)).initOperatorForMechanism(mech);
		((Operator) this.getOperators().get(1)).initOperatorForMechanism(mech);
	}

	public String toString() {
		String str = "(" + this.getOperators().get(0) + "  ==> "
				+ this.getOperators().get(1) + ")";
		return str;
	}

	@Override
	public boolean evaluate(Event curEvent) {
		Boolean op1state = ((Operator) this.getOperators().get(0))
				.evaluate(curEvent);
		Boolean op2state = ((Operator) this.getOperators().get(1))
				.evaluate(curEvent);
		this.state.value = !op1state || op2state;
		log.debug("eval IMPLIES [{}]", this.state.value);
		return this.state.value;
	}
}