/*
* 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.data.shipping.cargo;
import java.util.UUID;
import org.qi4j.api.common.Optional;
import org.qi4j.api.entity.EntityBuilder;
import org.qi4j.api.injection.scope.Structure;
import org.qi4j.api.mixin.Mixins;
import org.qi4j.api.unitofwork.UnitOfWork;
import org.qi4j.api.unitofwork.UnitOfWorkFactory;
import org.qi4j.api.value.ValueBuilder;
import org.qi4j.api.value.ValueBuilderFactory;
import org.qi4j.sample.dcicargo.sample_a.data.shipping.delivery.Delivery;
/**
* Cargo "collection" - could have had a many-association to cargos if it was part of the domain model.
*/
@Mixins( Cargos.Mixin.class )
public interface Cargos
{
Cargo createCargo( RouteSpecification routeSpecification, Delivery delivery, @Optional String id );
class Mixin
implements Cargos
{
@Structure
UnitOfWorkFactory uowf;
@Structure
ValueBuilderFactory vbf;
public Cargo createCargo( RouteSpecification routeSpecification, Delivery delivery, String id )
{
TrackingId trackingId = buildTrackingId( id );
UnitOfWork uow = uowf.currentUnitOfWork();
EntityBuilder<Cargo> cargoBuilder = uow.newEntityBuilder( Cargo.class, trackingId.id().get() );
cargoBuilder.instance().trackingId().set( trackingId );
cargoBuilder.instance().origin().set( routeSpecification.origin().get() );
cargoBuilder.instance().routeSpecification().set( routeSpecification );
cargoBuilder.instance().delivery().set( delivery );
return cargoBuilder.newInstance();
}
private TrackingId buildTrackingId( String id )
{
if( id == null || id.trim().equals( "" ) )
{
// Build random tracking id
final String uuid = UUID.randomUUID().toString().toUpperCase();
id = uuid.substring( 0, uuid.indexOf( "-" ) );
}
ValueBuilder<TrackingId> trackingIdBuilder = vbf.newValueBuilder( TrackingId.class );
trackingIdBuilder.prototype().id().set( id );
return trackingIdBuilder.newInstance();
}
}
}