cn.bjfu.springdao.jpa.domain.Address.java Source code

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Here is the source code for cn.bjfu.springdao.jpa.domain.Address.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 cn.bjfu.springdao.jpa.domain;

import javax.persistence.Entity;

import org.springframework.util.Assert;

/**
 * An address.
 * 
 * @author Oliver Gierke
 */
@Entity
public class Address extends AbstractEntity {

    private String street, city, country;

    /**
     * Creates a new {@link Address} from the given street, city and country.
     * 
     * @param street must not be {@literal null} or empty.
     * @param city must not be {@literal null} or empty.
     * @param country must not be {@literal null} or empty.
     */
    public Address(String street, String city, String country) {

        Assert.hasText(street, "Street must not be null or empty!");
        Assert.hasText(city, "City must not be null or empty!");
        Assert.hasText(country, "Country must not be null or empty!");

        this.street = street;
        this.city = city;
        this.country = country;
    }

    protected Address() {

    }

    /**
     * Returns a copy of the current {@link Address} instance which is a new entity in terms of persistence.
     * 
     * @return
     */
    public Address getCopy() {
        return new Address(this.street, this.city, this.country);
    }

    /**
     * Returns the street.
     * 
     * @return
     */
    public String getStreet() {
        return street;
    }

    /**
     * Returns the city.
     * 
     * @return
     */
    public String getCity() {
        return city;
    }

    /**
     * Returns the country.
     * 
     * @return
     */
    public String getCountry() {
        return country;
    }
}