Java tutorial
/** * Copyright 2015 Tikal-Technology * *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 technology.tikal.ventas.model.pedido.ofy; import com.fasterxml.jackson.annotation.JsonIgnore; import com.googlecode.objectify.Ref; import com.googlecode.objectify.annotation.Index; import com.googlecode.objectify.annotation.Subclass; import technology.tikal.ventas.model.pedido.PedidoCompuesto; import technology.tikal.ventas.model.pedido.SubPedido; /** * * @author Nekorp * */ @Subclass(index = true) public class SubPedidoOfy extends PedidoOfy implements SubPedido { @Index @JsonIgnore private Ref<PedidoCompuesto> owner; protected SubPedidoOfy() { super(); } public SubPedidoOfy(SubPedidoOfy base) { this(); if (base.owner == null) { throw new NullPointerException(); } this.owner = base.owner; } public SubPedidoOfy(PedidoCompuesto owner) { this(); if (owner == null) { throw new NullPointerException(); } if (owner.getId() == null) { throw new IllegalArgumentException(); } this.owner = Ref.create(owner); } }