/*
* Copyright (c) 2008, Edward Yakop. All Rights Reserved.
* Copyright (c) 2014, Paul Merlin. 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.tools.model.descriptor;
import java.util.LinkedList;
import java.util.List;
import org.qi4j.api.common.Visibility;
import org.qi4j.api.service.ServiceDescriptor;
import static org.qi4j.api.util.NullArgumentException.validateNotNull;
public final class ServiceDetailDescriptor
extends CompositeDetailDescriptor<ServiceDescriptor>
implements ActivateeDetailDescriptor
{
private final List<ActivatorDetailDescriptor> activators = new LinkedList<>();
ServiceDetailDescriptor( ServiceDescriptor descriptor )
{
super( descriptor );
}
/**
* @return layers that can access this service. Never return {@code null}.
*/
public final List<LayerDetailDescriptor> accessibleToLayers()
{
Visibility visibility = descriptor.visibility();
if( visibility == Visibility.module )
{
return new LinkedList<>();
}
LayerDetailDescriptor layer = module.layer();
if( visibility == Visibility.layer )
{
List<LayerDetailDescriptor> layers = new LinkedList<>();
layers.add( layer );
return layers;
}
else
{
return layer.usedBy();
}
}
@Override
public Iterable<ActivatorDetailDescriptor> activators()
{
return activators;
}
final void addActivator( ActivatorDetailDescriptor descriptor )
{
validateNotNull( "ActivatorDetailDescriptor", descriptor );
descriptor.setService( this );
activators.add( descriptor );
}
}