| /* |
| * 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.bootstrap; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.stream.Stream; |
| import org.apache.polygene.api.activation.Activator; |
| import org.apache.polygene.api.common.InvalidApplicationException; |
| import org.apache.polygene.api.common.MetaInfo; |
| import org.apache.polygene.api.common.Visibility; |
| import org.apache.polygene.api.identity.Identity; |
| import org.apache.polygene.api.identity.StringIdentity; |
| import org.apache.polygene.api.service.ServiceImporter; |
| import org.apache.polygene.api.service.importer.InstanceImporter; |
| import org.apache.polygene.api.structure.ModuleDescriptor; |
| import org.apache.polygene.bootstrap.ImportedServiceAssembly; |
| import org.apache.polygene.runtime.activation.ActivatorsModel; |
| import org.apache.polygene.runtime.service.ImportedServiceModel; |
| |
| /** |
| * Declaration of an imported Service. |
| * |
| * Created by {@link org.apache.polygene.runtime.bootstrap.ModuleAssemblyImpl#importedServices(Class[])}. |
| */ |
| public final class ImportedServiceAssemblyImpl |
| implements ImportedServiceAssembly |
| { |
| private final Class<?> serviceType; |
| private final ModuleAssemblyImpl moduleAssembly; |
| @SuppressWarnings( "raw" ) |
| Class<? extends ServiceImporter> serviceProvider = InstanceImporter.class; |
| String identity; |
| boolean importOnStartup = false; |
| MetaInfo metaInfo = new MetaInfo(); |
| Visibility visibility = Visibility.module; |
| List<Class<? extends Activator<?>>> activators = new ArrayList<>(); |
| |
| public ImportedServiceAssemblyImpl( Class<?> serviceType, ModuleAssemblyImpl moduleAssembly ) |
| { |
| this.serviceType = serviceType; |
| this.moduleAssembly = moduleAssembly; |
| } |
| |
| @Override |
| public Stream<Class<?>> types() |
| { |
| return Stream.of( serviceType ); |
| } |
| |
| @SuppressWarnings( { "raw", "unchecked" } ) |
| void addImportedServiceModel( ModuleDescriptor module, List<ImportedServiceModel> serviceModels ) |
| { |
| try |
| { |
| Identity id; |
| if( identity == null ) |
| { |
| id = generateId( serviceModels, serviceType ); |
| } |
| else |
| { |
| id = StringIdentity.fromString( identity ); |
| } |
| |
| ImportedServiceModel serviceModel = new ImportedServiceModel( module, |
| serviceType, |
| visibility, |
| serviceProvider, |
| id, |
| importOnStartup, |
| new MetaInfo( metaInfo ).withAnnotations( serviceType ), |
| new ActivatorsModel( activators ), |
| moduleAssembly.name() ); |
| serviceModels.add( serviceModel ); |
| } |
| catch( Exception e ) |
| { |
| throw new InvalidApplicationException( "Could not register " + serviceType.getName(), e ); |
| } |
| } |
| |
| @SuppressWarnings( "raw" ) |
| private Identity generateId( List<ImportedServiceModel> serviceModels, Class serviceType ) |
| { |
| // Find reference that is not yet used |
| int idx = 0; |
| Identity id = StringIdentity.fromString( serviceType.getSimpleName() ); |
| boolean invalid; |
| do |
| { |
| invalid = false; |
| for( ImportedServiceModel serviceModel : serviceModels ) |
| { |
| if( serviceModel.identity().equals( id ) ) |
| { |
| idx++; |
| id = StringIdentity.fromString( serviceType.getSimpleName() + "_" + idx ); |
| invalid = true; |
| break; |
| } |
| } |
| } |
| while( invalid ); |
| return id; |
| } |
| } |