| /* |
| * 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.qi4j.sample.dcicargo.sample_b.context.interaction.booking.routing; |
| |
| import org.qi4j.api.injection.scope.This; |
| import org.qi4j.api.mixin.Mixins; |
| import org.qi4j.api.unitofwork.NoSuchEntityException; |
| import org.qi4j.sample.dcicargo.sample_b.context.interaction.booking.exception.ChangeDestinationException; |
| import org.qi4j.sample.dcicargo.sample_b.context.interaction.booking.specification.DeriveUpdatedRouteSpecification; |
| import org.qi4j.sample.dcicargo.sample_b.context.interaction.handling.inspection.InspectCargoDeliveryStatus; |
| import org.qi4j.sample.dcicargo.sample_b.context.interaction.handling.inspection.exception.InspectionException; |
| import org.qi4j.sample.dcicargo.sample_b.data.factory.exception.CannotCreateRouteSpecificationException; |
| import org.qi4j.sample.dcicargo.sample_b.data.structure.cargo.Cargo; |
| import org.qi4j.sample.dcicargo.sample_b.data.structure.cargo.RouteSpecification; |
| import org.qi4j.sample.dcicargo.sample_b.data.structure.delivery.TransportStatus; |
| import org.qi4j.sample.dcicargo.sample_b.data.structure.location.Location; |
| import org.qi4j.sample.dcicargo.sample_b.infrastructure.dci.Context; |
| import org.qi4j.sample.dcicargo.sample_b.infrastructure.dci.RoleMixin; |
| |
| import static org.qi4j.sample.dcicargo.sample_b.data.structure.delivery.TransportStatus.CLAIMED; |
| |
| /** |
| * Register New Destination (subfunction use case) |
| * |
| * Booking system has asked Cargo Inspector to register a new destination for a cargo. |
| */ |
| public class RegisterNewDestination extends Context |
| { |
| CargoInspectorRole cargoInspector; |
| |
| TransportStatus transportStatus; |
| // HandlingEvent lastHandlingEvent; |
| |
| public RegisterNewDestination( Cargo cargo ) |
| { |
| this.cargoInspector = rolePlayer( CargoInspectorRole.class, cargo ); |
| |
| transportStatus = cargo.delivery().get().transportStatus().get(); |
| // lastHandlingEvent = cargo.delivery().get().lastHandlingEvent().get(); |
| } |
| |
| public RegisterNewDestination( String trackingIdString ) |
| { |
| this( loadEntity( Cargo.class, trackingIdString ) ); |
| } |
| |
| public void to( String destinationUnLocodeString ) |
| throws Exception |
| { |
| // Pre-conditions |
| if( transportStatus.equals( CLAIMED ) ) |
| { |
| throw new ChangeDestinationException( "Can't change destination of claimed cargo." ); |
| } |
| |
| cargoInspector.registerNewDestination( destinationUnLocodeString ); |
| } |
| |
| @Mixins( CargoInspectorRole.Mixin.class ) |
| public interface CargoInspectorRole |
| { |
| void setContext( RegisterNewDestination context ); |
| |
| void registerNewDestination( String destination ) |
| throws Exception; |
| |
| class Mixin |
| extends RoleMixin<RegisterNewDestination> |
| implements CargoInspectorRole |
| { |
| @This |
| Cargo cargo; |
| |
| Location newDestination; |
| RouteSpecification newRouteSpec; |
| |
| public void registerNewDestination( String newDestinationString ) |
| throws ChangeDestinationException, CannotCreateRouteSpecificationException, InspectionException |
| { |
| // Step 1 - Verify new destination |
| |
| try |
| { |
| newDestination = uowf.currentUnitOfWork().get( Location.class, newDestinationString ); |
| } |
| catch( NoSuchEntityException e ) |
| { |
| throw new ChangeDestinationException( "Didn't recognize location '" + newDestinationString + "'" ); |
| } |
| if( newDestination.equals( cargo.routeSpecification().get().destination().get() ) ) |
| { |
| throw new ChangeDestinationException( "New destination is same as old destination." ); |
| } |
| |
| // Step 2 - Derive new route specification |
| |
| newRouteSpec = new DeriveUpdatedRouteSpecification( cargo, newDestination ).getRouteSpec(); |
| |
| // Step 3 - Assign new route specification to cargo |
| |
| cargo.routeSpecification().set( newRouteSpec ); |
| |
| // Step 4 - Update cargo delivery status |
| |
| new InspectCargoDeliveryStatus( cargo ).update(); |
| } |
| } |
| } |
| } |