org.springsource.restbucks.order.OrderInitializer.java Source code

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Here is the source code for org.springsource.restbucks.order.OrderInitializer.java

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/*
 * Copyright 2012-2015 the original author or authors.
 *
 * 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.springsource.restbucks.order;

import static org.springsource.restbucks.core.Currencies.*;

import java.util.Arrays;

import org.javamoney.moneta.Money;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.Assert;

/**
 * Initializer to set up two {@link Order}s.
 * 
 * @author Oliver Gierke
 */
@Service
class OrderInitializer {

    /**
     * Creates two orders and persists them using the given {@link OrderRepository}.
     * 
     * @param orders must not be {@literal null}.
     */
    @Autowired
    public OrderInitializer(OrderRepository orders) {

        Assert.notNull(orders, "OrderRepository must not be null!");

        if (orders.count() != 0) {
            return;
        }

        LineItem javaChip = new LineItem("Java Chip", Money.of(4.20, EURO));
        LineItem cappuchino = new LineItem("Cappuchino", Money.of(3.20, EURO));

        Order javaChipOrder = new Order(javaChip);
        Order cappuchinoOrder = new Order(cappuchino);

        orders.save(Arrays.asList(javaChipOrder, cappuchinoOrder));
    }
}