package com.ponyjava.common.hibernate3;

import org.hibernate.criterion.Order;

@SuppressWarnings("serial")
public class OrderBy extends Condition {
	private OrderType orderType;

	protected OrderBy(String field, OrderType orderType) {
		this.field = field;
		this.orderType = orderType;
	}

	public static OrderBy asc(String field) {
		return new OrderBy(field, OrderType.ASC);
	}

	public static OrderBy desc(String field) {
		return new OrderBy(field, OrderType.DESC);
	}

	public Order getOrder() {
		Order order = null;
		if (OrderType.ASC == orderType) {
			order = Order.asc(getField());
		} else if (OrderType.DESC == orderType) {
			order = Order.desc(getField());
		}
		return order;
	}

	public static Order[] asOrders(OrderBy[] orderBys) {
		if (orderBys != null) {
			Order[] orders = new Order[orderBys.length];
			for (int i = 0; i < orderBys.length; i++) {
				orders[i] = orderBys[i].getOrder();
			}
			return orders;
		} else {
			return null;
		}

	}

	public static enum OrderType {
		ASC, DESC
	}

}