| /* |
| * 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_b.context.interaction.booking.specification; |
| |
| import java.util.Date; |
| 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_b.context.interaction.handling.inspection.exception.UnexpectedCarrierException; |
| import org.apache.zest.sample.dcicargo.sample_b.data.factory.RouteSpecificationFactoryService; |
| import org.apache.zest.sample.dcicargo.sample_b.data.factory.exception.CannotCreateRouteSpecificationException; |
| import org.apache.zest.sample.dcicargo.sample_b.data.structure.cargo.Cargo; |
| import org.apache.zest.sample.dcicargo.sample_b.data.structure.cargo.RouteSpecification; |
| import org.apache.zest.sample.dcicargo.sample_b.data.structure.delivery.TransportStatus; |
| import org.apache.zest.sample.dcicargo.sample_b.data.structure.handling.HandlingEvent; |
| import org.apache.zest.sample.dcicargo.sample_b.data.structure.location.Location; |
| import org.apache.zest.sample.dcicargo.sample_b.data.structure.voyage.CarrierMovement; |
| import org.apache.zest.sample.dcicargo.sample_b.data.structure.voyage.Voyage; |
| import org.apache.zest.sample.dcicargo.sample_b.infrastructure.dci.Context; |
| import org.apache.zest.sample.dcicargo.sample_b.infrastructure.dci.RoleMixin; |
| |
| import static org.apache.zest.sample.dcicargo.sample_b.data.structure.delivery.TransportStatus.*; |
| |
| /** |
| * Derive Updated Route Specification (subfunction use case) |
| * |
| * A Cargo Owner requests to change the route for a Cargo. |
| * |
| * If the request happens during transport we have to consider the current location of the cargo. |
| * If currently on board a carrier we use the arrival port as the new origin for a new route specification |
| * otherwise simply the lastKnownLocation. Original origin location of Cargo remains the same. |
| */ |
| public class DeriveUpdatedRouteSpecification extends Context |
| { |
| CargoInspectorRole cargoInspector; |
| |
| RouteSpecification routeSpecification; |
| TransportStatus transportStatus; |
| HandlingEvent lastHandlingEvent; |
| Location newDestination; |
| |
| public DeriveUpdatedRouteSpecification( Cargo cargo ) |
| { |
| this.cargoInspector = rolePlayer( CargoInspectorRole.class, cargo ); |
| |
| routeSpecification = cargo.routeSpecification().get(); |
| transportStatus = cargo.delivery().get().transportStatus().get(); |
| lastHandlingEvent = cargo.delivery().get().lastHandlingEvent().get(); |
| } |
| |
| public DeriveUpdatedRouteSpecification( String trackingIdString ) |
| { |
| this( loadEntity( Cargo.class, trackingIdString ) ); |
| } |
| |
| public DeriveUpdatedRouteSpecification( Cargo cargo, Location newDestination ) |
| { |
| this( cargo ); |
| this.newDestination = newDestination; |
| } |
| |
| public RouteSpecification getRouteSpec() |
| throws CannotCreateRouteSpecificationException, UnexpectedCarrierException |
| { |
| // Pre-conditions |
| if( transportStatus.equals( CLAIMED ) ) |
| { |
| throw new CannotCreateRouteSpecificationException( "Can't derive new route specification for a claimed cargo." ); |
| } |
| |
| return cargoInspector.getUpdatedRouteSpecification(); |
| } |
| |
| @Mixins( CargoInspectorRole.Mixin.class ) |
| public interface CargoInspectorRole |
| { |
| void setContext( DeriveUpdatedRouteSpecification context ); |
| |
| RouteSpecification getUpdatedRouteSpecification() |
| throws CannotCreateRouteSpecificationException, UnexpectedCarrierException; |
| |
| class Mixin |
| extends RoleMixin<DeriveUpdatedRouteSpecification> |
| implements CargoInspectorRole |
| { |
| @This |
| Cargo cargo; |
| |
| @Service |
| RouteSpecificationFactoryService routeSpecFactory; |
| |
| Location newOrigin; |
| Location newDestination; |
| Date newEarliestDeparture; |
| Date newArrivalDeadline; |
| |
| public RouteSpecification getUpdatedRouteSpecification() |
| throws CannotCreateRouteSpecificationException, UnexpectedCarrierException |
| { |
| // Step 1 - Collect destination and deadline |
| |
| newDestination = c.newDestination == null ? c.routeSpecification.destination().get() : c.newDestination; |
| newArrivalDeadline = c.routeSpecification.arrivalDeadline().get(); |
| |
| // Step 2 - Derive origin and earliest departure date |
| |
| if( c.transportStatus.equals( NOT_RECEIVED ) ) |
| { |
| newOrigin = cargo.origin().get(); |
| newEarliestDeparture = c.routeSpecification.earliestDeparture().get(); |
| } |
| else if( c.transportStatus.equals( ONBOARD_CARRIER ) ) |
| { |
| Voyage voyage = c.lastHandlingEvent.voyage().get(); |
| Location departureLocation = c.lastHandlingEvent.location().get(); |
| CarrierMovement carrierMovement = voyage.carrierMovementDepartingFrom( departureLocation ); |
| if( carrierMovement == null ) |
| { |
| throw new UnexpectedCarrierException( c.lastHandlingEvent ); |
| } |
| |
| newOrigin = carrierMovement.arrivalLocation().get(); |
| newEarliestDeparture = carrierMovement.arrivalTime().get(); |
| } |
| else |
| { |
| newOrigin = c.lastHandlingEvent.location().get(); |
| newEarliestDeparture = c.lastHandlingEvent.completionTime().get(); |
| } |
| |
| // Step 3 - Build and return new route specification |
| |
| return routeSpecFactory.build( newOrigin, newDestination, newEarliestDeparture, newArrivalDeadline ); |
| } |
| } |
| } |
| } |