ShippingCostService.java

/* 
 * Copyright (C) 2014 GG-Net GmbH - Oliver Günther
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package eu.ggnet.dwoss.mandator.api.service;

import javax.ejb.Local;
import javax.ejb.Remote;

import eu.ggnet.dwoss.rules.PaymentMethod;
import eu.ggnet.dwoss.rules.ShippingCondition;


/**
 * Service for Shipping Costs, optional.
 * A Mandator may implement the service. If not, no automatic calculation of shipping costs is happening.
 * <p>
 * @author oliver.guenther
 */
@Local
@Remote
public interface ShippingCostService {

    /**
     * Calculates the shipping cost based on the parameters.
     * <p>
     * @param positionCount     the amount of relevant positions (units and product batches)
     * @param paymentMethod     the payment method
     * @param shippingCondition the shippingCondition
     * @return the shippingCost without tax
     */
    double calculate(int positionCount, PaymentMethod paymentMethod, ShippingCondition shippingCondition);
}