/*
* 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 com.oreilly.springdata.rest.core;
import java.math.BigDecimal;
import java.util.HashMap;
import java.util.Map;
import javax.persistence.Column;
import javax.persistence.ElementCollection;
import javax.persistence.Entity;
import org.springframework.util.Assert;
/**
* A product.
*
* @author Oliver Gierke
*/
@Entity
public class Product extends AbstractEntity {
@Column(nullable = false)
private String name;
private String description;
@Column(nullable = false)
private BigDecimal price;
@ElementCollection
private Map<String, String> attributes = new HashMap<String, String>();
/**
* Creates a new {@link Product} with the given name.
*
* @param name must not be {@literal null} or empty.
* @param price must not be {@literal null} or less than or equal to zero.
*/
public Product(String name, BigDecimal price) {
this(name, price, null);
}
/**
* Creates a new {@link Product} from the given name and description.
*
* @param name must not be {@literal null} or empty.
* @param price must not be {@literal null} or less than or equal to zero.
* @param description
*/
public Product(String name, BigDecimal price, String description) {
Assert.hasText(name, "Name must not be null or empty!");
Assert.isTrue(BigDecimal.ZERO.compareTo(price) < 0, "Price must be greater than zero!");
this.name = name;
this.price = price;
this.description = description;
}
protected Product() {
}
/**
* Sets the attribute with the given name to the given value.
*
* @param name must not be {@literal null} or empty.
* @param value
*/
public void setAttribute(String name, String value) {
Assert.hasText(name);
if (value == null) {
this.attributes.remove(value);
} else {
this.attributes.put(name, value);
}
}
/**
* Returns the {@link Product}'s name.
*
* @return
*/
public String getName() {
return name;
}
/**
* Returns the {@link Product}'s description.
*
* @return
*/
public String getDescription() {
return description;
}
/**
* Returns all the custom attributes of the {@link Product}.
*
* @return
*/
public Map<String, String> getAttributes() {
return attributes;
}
/**
* Returns the price of the {@link Product}.
*
* @return
*/
public BigDecimal getPrice() {
return price;
}
}