| /* |
| * Copyright 2011 Marc Grue. |
| * |
| * 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 org.apache.zest.sample.dcicargo.sample_a.context.shipping.handling; |
| |
| import org.apache.zest.api.injection.scope.Service; |
| import org.apache.zest.api.injection.scope.This; |
| import org.apache.zest.api.mixin.Mixins; |
| import org.apache.zest.sample.dcicargo.sample_a.context.shipping.booking.BuildDeliverySnapshot; |
| import org.apache.zest.sample.dcicargo.sample_a.context.support.ApplicationEvents; |
| import org.apache.zest.sample.dcicargo.sample_a.data.shipping.cargo.Cargo; |
| import org.apache.zest.sample.dcicargo.sample_a.data.shipping.delivery.Delivery; |
| import org.apache.zest.sample.dcicargo.sample_a.data.shipping.handling.HandlingEvent; |
| import org.apache.zest.sample.dcicargo.sample_a.infrastructure.dci.Context; |
| import org.apache.zest.sample.dcicargo.sample_a.infrastructure.dci.RoleMixin; |
| |
| /** |
| * The Inspect Cargo use case updates the delivery history of the cargo and |
| * determines if the registered handling event was expected. |
| */ |
| public class InspectCargo extends Context |
| { |
| // ROLES --------------------------------------------------------------------- |
| |
| private CargoInspectorRole cargoInspector; |
| |
| private Cargo cargo; |
| private Delivery delivery; |
| |
| // CONTEXT CONSTRUCTORS ------------------------------------------------------ |
| |
| public InspectCargo( HandlingEvent registeredHandlingEvent ) |
| { |
| cargoInspector = rolePlayer( CargoInspectorRole.class, registeredHandlingEvent ); |
| cargo = loadEntity( Cargo.class, registeredHandlingEvent.trackingId().get().id().get() ); |
| delivery = cargo.delivery().get(); |
| } |
| |
| // INTERACTIONS -------------------------------------------------------------- |
| |
| public void inspect() |
| { |
| cargoInspector.inspect(); |
| } |
| |
| // METHODFUL ROLE IMPLEMENTATIONS -------------------------------------------- |
| |
| /** |
| * Cargo handling role. |
| */ |
| @Mixins( CargoInspectorRole.Mixin.class ) |
| public interface CargoInspectorRole |
| { |
| void setContext( InspectCargo context ); |
| |
| void inspect(); |
| |
| class Mixin |
| extends RoleMixin<InspectCargo> |
| implements CargoInspectorRole |
| { |
| @This |
| HandlingEvent registeredHandlingEvent; |
| |
| @Service |
| ApplicationEvents applicationEvents; |
| |
| public void inspect() |
| { |
| // Step 1: Update delivery history of cargo. |
| context.delivery = new BuildDeliverySnapshot( context.cargo, registeredHandlingEvent ).get(); |
| |
| // Step 2: Replace updated delivery snapshot of cargo |
| context.cargo.delivery().set( context.delivery ); |
| |
| // Deviation 3a: Publish that cargo was misdirected |
| if( context.delivery.isMisdirected().get() ) |
| { |
| applicationEvents.cargoWasMisdirected( context.cargo ); |
| } |
| |
| // Deviation 3b: Publish that cargo has arrived |
| if( context.delivery.isUnloadedAtDestination().get() ) |
| { |
| applicationEvents.cargoHasArrived( context.cargo ); |
| } |
| |
| // Step 4: Updated cargo is saved when UnitOfWork completes. |
| } |
| } |
| } |
| } |