getComponentPriceWDisc.java

getComponentPriceWDisc.java

//return component price from Either<Exception, Component>, but if any step fails, return exception which occured
public Either<Exception,Double> getComponentPrice(Either<Exception, Component> response){
	return response
			//extract component id
		.fmap(result -> result.getId())
			//find price
		.bind(this::findOriginalPrice)
			//apply discount if applicable
		.fmap(this::discountedPrice);
}