Discount.java

/*
 * Copyright 2011-2014 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 pl.com.bottega.ecommerce.sales.domain.offer;

import pl.com.bottega.ddd.annotations.domain.ValueObject;
import pl.com.bottega.ecommerce.sharedkernel.Money;

@ValueObject
public class Discount {

	private String cause;
	
	private Money value;

	public Discount(String cause, Money value) {
		this.cause = cause;
		this.value = value;
	}
	
	public String getCause() {
		return cause;
	}
	
	public Money getValue() {
		return value;
	}

	@Override
	public int hashCode() {
		final int prime = 31;
		int result = 1;
		result = prime * result + ((cause == null) ? 0 : cause.hashCode());
		result = prime * result + ((value == null) ? 0 : value.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (obj == null)
			return false;
		if (getClass() != obj.getClass())
			return false;
		Discount other = (Discount) obj;
		if (cause == null) {
			if (other.cause != null)
				return false;
		} else if (!cause.equals(other.cause))
			return false;
		if (value == null) {
			if (other.value != null)
				return false;
		} else if (!value.equals(other.value))
			return false;
		return true;
	}
	
	
}