/*
* 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.communication.query;
import java.util.ArrayList;
import java.util.List;
import org.apache.wicket.model.IModel;
import org.qi4j.api.composite.TransientComposite;
import org.qi4j.api.injection.scope.Service;
import org.qi4j.api.injection.scope.Structure;
import org.qi4j.api.mixin.Mixins;
import org.qi4j.api.unitofwork.UnitOfWorkFactory;
import org.qi4j.sample.dcicargo.sample_b.context.service.routing.RoutingService;
import org.qi4j.sample.dcicargo.sample_b.context.service.routing.exception.FoundNoRoutesException;
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.itinerary.Itinerary;
import org.qi4j.sample.dcicargo.sample_b.infrastructure.model.JSONModel;
/**
* Booking queries
*
* Implemented as a Qi4j composite since we can then conveniently get the routing service injected.
* We could choose to implement all query classes like this too.
*
* Used by the communication layer only. Can change according to ui needs.
*/
@Mixins( BookingQueries.Mixin.class )
public interface BookingQueries
extends TransientComposite
{
List<IModel<Itinerary>> routeCandidates( String trackingIdString )
throws FoundNoRoutesException;
List<IModel<Itinerary>> routeCandidates( RouteSpecification routeSpec )
throws FoundNoRoutesException;
abstract class Mixin
implements BookingQueries
{
@Structure
UnitOfWorkFactory uowf;
@Service
RoutingService routingService;
public List<IModel<Itinerary>> routeCandidates( final String trackingIdString )
throws FoundNoRoutesException
{
Cargo cargo = uowf.currentUnitOfWork().get( Cargo.class, trackingIdString );
RouteSpecification routeSpec = cargo.routeSpecification().get();
return routeCandidates( routeSpec );
}
public List<IModel<Itinerary>> routeCandidates( final RouteSpecification routeSpec )
throws FoundNoRoutesException
{
List<Itinerary> routes = routingService.fetchRoutesForSpecification( routeSpec );
List<IModel<Itinerary>> modelList = new ArrayList<IModel<Itinerary>>();
for( Itinerary itinerary : routes )
{
modelList.add( JSONModel.of( itinerary ) );
}
return modelList;
}
}
}