/*
* 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_a.context.shipping.handling;
import org.qi4j.api.injection.scope.Service;
import org.qi4j.api.injection.scope.This;
import org.qi4j.api.mixin.Mixins;
import org.qi4j.sample.dcicargo.sample_a.context.shipping.booking.BuildDeliverySnapshot;
import org.qi4j.sample.dcicargo.sample_a.context.support.ApplicationEvents;
import org.qi4j.sample.dcicargo.sample_a.data.shipping.cargo.Cargo;
import org.qi4j.sample.dcicargo.sample_a.data.shipping.delivery.Delivery;
import org.qi4j.sample.dcicargo.sample_a.data.shipping.handling.HandlingEvent;
import org.qi4j.sample.dcicargo.sample_a.infrastructure.dci.Context;
import org.qi4j.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.
}
}
}
}