/*
* Copyright (c) 2008, Edward Yakop. All Rights Reserved.
* Copyright (c) 2009, Niclas Hedhman. All Rights Reserved.
*
* 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.envisage.school.domain.school.assembly;
import org.qi4j.api.entity.EntityComposite;
import org.qi4j.api.entity.Identity;
import org.qi4j.api.injection.scope.Service;
import org.qi4j.api.injection.scope.Structure;
import org.qi4j.api.injection.scope.This;
import org.qi4j.api.mixin.Mixins;
import org.qi4j.api.property.Property;
import org.qi4j.api.query.Query;
import org.qi4j.api.query.QueryBuilder;
import org.qi4j.api.query.QueryBuilderFactory;
import org.qi4j.api.unitofwork.UnitOfWork;
import org.qi4j.api.unitofwork.UnitOfWorkFactory;
import org.qi4j.envisage.school.domain.person.Person;
import org.qi4j.envisage.school.domain.school.School;
import org.qi4j.envisage.school.domain.school.Student;
import org.qi4j.envisage.school.domain.school.Subject;
import org.qi4j.envisage.school.infrastructure.mail.MailService;
import static org.qi4j.api.query.QueryExpressions.eq;
import static org.qi4j.api.query.QueryExpressions.templateFor;
@Mixins( SchoolEntity.SchoolMixin.class )
public interface SchoolEntity
extends School, EntityComposite
{
class SchoolMixin
implements School
{
@Structure
private UnitOfWorkFactory uowf;
@Structure
private QueryBuilderFactory qbf;
@This
private SchoolState state;
@Service
private MailService mailer;
private final String schoolId;
public SchoolMixin( @This Identity identity )
{
schoolId = identity.identity().get();
}
@Override
public String name()
{
return state.name().get();
}
@Override
public Query<Subject> availableSubjects()
{
UnitOfWork uow = uowf.currentUnitOfWork();
try
{
QueryBuilder<Subject> builder = qbf.newQueryBuilder( Subject.class );
SubjectEntity.SubjectState subject = templateFor( SubjectEntity.SubjectState.class );
builder.where( eq( subject.schoolId(), schoolId ) );
return uow.newQuery( builder );
}
finally
{
uow.pause();
}
}
@Override
public Query<Student> students()
{
UnitOfWork uow = uowf.currentUnitOfWork();
try
{
QueryBuilder<Student> builder = qbf.newQueryBuilder( Student.class );
StudentEntity.StudentState studentState = templateFor( StudentEntity.StudentState.class );
builder.where( eq( studentState.schoolId(), schoolId ) );
return uow.newQuery( builder );
}
finally
{
uow.pause();
}
}
@Override
public void enroll( Person person, Subject subject )
{
// TODO
throw new UnsupportedOperationException();
}
}
static interface SchoolState
{
Property<String> name();
}
}