gemfire.practice.service.DefautOrderService.java Source code

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Here is the source code for gemfire.practice.service.DefautOrderService.java

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/*
 * Copyright 2012 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 gemfire.practice.service;

import gemfire.practice.domain.Order;
import gemfire.practice.repository.OrderRepository;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.util.Assert;

/**
 * A simple Order service
 * 
 * @author David Turanski
 * 
 */
@Component
public class DefautOrderService implements OrderService {
    private static Logger log = LoggerFactory.getLogger(DefautOrderService.class);

    @Autowired
    OrderRepository orderRepository;

    /**
     * Create an order
     * 
     * @param order
     * @return
     */
    @Override
    public Order create(Order order) {
        Assert.notNull(order, "order cannot be null");
        Assert.notNull(order.getId(), "order ID cannot be null");
        Assert.notNull(order.getCustomerId(), "order customer ID cannot be null");
        Assert.notEmpty(order.getLineItems(), "order must contain at least one line item");
        Assert.notNull(order.getBillingAddress(), "order billing address cannot be null");

        log.debug("creating new order " + order.getId());
        return orderRepository.save(order);
    }

    /**
     * Delete an order
     * 
     * @param id
     * @return
     */
    @Override
    public boolean delete(long id) {
        Order order = orderRepository.findOne(id);
        if (order != null) {
            orderRepository.delete(order);
            log.debug("deleted order :" + order.getId());
            return true;
        }
        log.debug("cannot find order for id " + id);
        return false;
    }

    /**
     * Delete an order
     * 
     * @param order
     * @return
     */
    @Override
    public boolean delete(Order order) {
        Assert.notNull(order, "order cannot be null");
        Assert.notNull(order.getId(), "order ID cannot be null");
        return delete(order.getId());
    }

    /**
     * Find all orders for a customer
     * 
     * @param customerId
     * @return
     */
    @Override
    public List<Order> findOrdersByCustomerId(long customerId) {
        return orderRepository.findByCustomerId(customerId);
    }

    /**
     * Find all orders
     * 
     * @return
     */
    @Override
    public List<Order> findAllOrders() {
        List<Order> orders = new ArrayList<Order>();
        for (Order order : orderRepository.findAll()) {
            orders.add(order);
        }
        return Collections.unmodifiableList(orders);
    }
}