/*
 * Copyright 2009 Inspire-Software.com
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package org.yes.cart.domain.misc.navigation.price;

import java.io.Serializable;
import java.util.List;
import java.util.Set;


/**
 * User: Igor Azarny iazarny@yahoo.com
 * Date: 07-May-2011
 * Time: 11:12:54
 */
public interface PriceTierTree extends Serializable {

    /**
     * Get configured currencies.
     *
     * @return set of configured currencies
     */
    Set<String> getSupportedCurrencies();

    /**
     * Get price tiers node for given currency.
     *
     * @param currency given currency
     * @return price tier nodes.
     */
    List<PriceTierNode> getPriceTierNodes(String currency);

    /**
     * Add price tier node.
     *
     * @param priceTierNodes node to add
     * @param currency       given currency
     * @return added node
     */
    List<PriceTierNode> addPriceTierNode(String currency, List<PriceTierNode> priceTierNodes);
}
