Java tutorial
/* * 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.payment; import javax.persistence.Entity; import javax.persistence.ManyToOne; import lombok.Getter; import org.springframework.util.Assert; import org.springsource.restbucks.order.Order; /** * A {@link Payment} done through a {@link CreditCard}. * * @author Oliver Gierke */ @Entity @Getter public class CreditCardPayment extends Payment { private final @ManyToOne CreditCard creditCard; protected CreditCardPayment() { this.creditCard = null; } /** * Creates a new {@link CreditCardPayment} for the given {@link CreditCard} and {@link Order}. * * @param creditCard must not be {@literal null}. * @param order */ public CreditCardPayment(CreditCard creditCard, Order order) { super(order); Assert.notNull(creditCard); this.creditCard = creditCard; } }