BiFunctionReaction.java

package org.andork.react;

import java.util.function.BiFunction;

public class BiFunctionReaction<T, U, R> extends Reaction<R> {
	private Reactable<? extends T> t;
	private Reactable<? extends U> u;
	private BiFunction<? super T, ? super U, ? extends R> fn;

	public BiFunctionReaction(Reactable<? extends T> t, Reactable<? extends U> u,
			BiFunction<? super T, ? super U, ? extends R> fn) {
		this.t = t;
		this.u = u;
		this.fn = fn;

		t.bind(this);
		u.bind(this);
	}

	@Override
	protected R calculate() {
		return fn.apply(t.get(), u.get());
	}
}