| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.polygene.runtime.structure; |
| |
| import java.util.List; |
| import java.util.stream.Stream; |
| import org.apache.polygene.api.activation.ActivationException; |
| import org.apache.polygene.api.common.MetaInfo; |
| import org.apache.polygene.api.common.Visibility; |
| import org.apache.polygene.api.composite.ModelDescriptor; |
| import org.apache.polygene.api.composite.TransientDescriptor; |
| import org.apache.polygene.api.entity.EntityDescriptor; |
| import org.apache.polygene.api.object.ObjectDescriptor; |
| import org.apache.polygene.api.structure.Layer; |
| import org.apache.polygene.api.structure.LayerDescriptor; |
| import org.apache.polygene.api.util.HierarchicalVisitor; |
| import org.apache.polygene.api.util.VisitableHierarchy; |
| import org.apache.polygene.api.value.ValueDescriptor; |
| import org.apache.polygene.runtime.activation.ActivatorsInstance; |
| import org.apache.polygene.runtime.activation.ActivatorsModel; |
| |
| /** |
| * JAVADOC |
| */ |
| public final class LayerModel |
| implements LayerDescriptor, VisitableHierarchy<Object, Object> |
| { |
| // Model |
| private final String name; |
| private final MetaInfo metaInfo; |
| private final UsedLayersModel usedLayersModel; |
| private final ActivatorsModel<Layer> activatorsModel; |
| private final List<ModuleModel> modules; |
| private LayerInstance layerInstance; |
| |
| public LayerModel( String name, |
| MetaInfo metaInfo, |
| UsedLayersModel usedLayersModel, |
| ActivatorsModel<Layer> activatorsModel, |
| List<ModuleModel> modules |
| ) |
| { |
| this.name = name; |
| this.metaInfo = metaInfo; |
| this.usedLayersModel = usedLayersModel; |
| this.activatorsModel = activatorsModel; |
| this.modules = modules; |
| } |
| |
| @Override |
| public String name() |
| { |
| return name; |
| } |
| |
| public <T> T metaInfo( Class<T> infoType ) |
| { |
| return metaInfo.get( infoType ); |
| } |
| |
| public Iterable<ModuleModel> modules() |
| { |
| return modules; |
| } |
| |
| @Override |
| public UsedLayersModel usedLayers() |
| { |
| return usedLayersModel; |
| } |
| |
| public ActivatorsInstance<Layer> newActivatorsInstance() |
| throws ActivationException |
| { |
| return new ActivatorsInstance<>( activatorsModel.newInstances() ); |
| } |
| |
| @Override |
| public <ThrowableType extends Throwable> boolean accept( HierarchicalVisitor<? super Object, ? super Object, ThrowableType> modelVisitor ) |
| throws ThrowableType |
| { |
| if( modelVisitor.visitEnter( this ) ) |
| { |
| if( activatorsModel.accept( modelVisitor ) ) |
| { |
| for( ModuleModel module : modules ) |
| { |
| if( !module.accept( modelVisitor ) ) |
| { |
| break; |
| } |
| } |
| } |
| } |
| return modelVisitor.visitLeave( this ); |
| } |
| |
| @Override |
| public Layer instance() |
| { |
| return layerInstance; |
| } |
| |
| public LayerInstance newInstance( ApplicationInstance applicationInstance ) |
| { |
| layerInstance = new LayerInstance( this, applicationInstance ); |
| for( ModuleModel module : modules ) |
| { |
| ModuleInstance moduleInstance = module.newInstance( this ); |
| layerInstance.addModule( moduleInstance ); |
| } |
| return layerInstance; |
| } |
| |
| @Override |
| public Stream<? extends ObjectDescriptor> visibleObjects( final Visibility visibility ) |
| { |
| return modules.stream().flatMap( module -> module.visibleObjects( visibility ) ); |
| } |
| |
| @Override |
| public Stream<? extends TransientDescriptor> visibleTransients( final Visibility visibility ) |
| { |
| return modules.stream().flatMap( module -> module.visibleTransients( visibility ) ); |
| } |
| |
| @Override |
| public Stream<? extends EntityDescriptor> visibleEntities( final Visibility visibility ) |
| { |
| return modules.stream().flatMap( module -> module.visibleEntities( visibility ) ); |
| } |
| |
| /* package */ |
| @Override |
| public Stream<? extends ValueDescriptor> visibleValues( final Visibility visibility ) |
| { |
| return modules.stream().flatMap( module -> module.visibleValues( visibility ) ); |
| } |
| |
| /* package */ |
| @Override |
| public Stream<? extends ModelDescriptor> visibleServices( final Visibility visibility ) |
| { |
| return modules.stream().flatMap( module -> module.visibleServices( visibility ) ); |
| } |
| |
| |
| @Override |
| public String toString() |
| { |
| return name; |
| } |
| } |