| /* |
| * Copyright (c) 2007, Rickard Öberg. All Rights Reserved. |
| * Copyright (c) 2012, Paul Merlin. |
| * |
| * 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.runtime.bootstrap; |
| |
| import java.lang.reflect.Type; |
| import java.util.ArrayList; |
| import java.util.List; |
| import org.qi4j.api.activation.Activator; |
| import org.qi4j.api.activation.Activators; |
| import org.qi4j.api.common.InvalidApplicationException; |
| import org.qi4j.api.service.ServiceComposite; |
| import org.qi4j.api.util.Annotations; |
| import org.qi4j.api.util.Classes; |
| import org.qi4j.bootstrap.ServiceAssembly; |
| import org.qi4j.bootstrap.StateDeclarations; |
| import org.qi4j.functional.Function; |
| import org.qi4j.functional.Iterables; |
| import org.qi4j.runtime.activation.ActivatorsModel; |
| import org.qi4j.runtime.service.ServiceModel; |
| |
| /** |
| * Assembly of a Service. |
| */ |
| public final class ServiceAssemblyImpl extends CompositeAssemblyImpl |
| implements ServiceAssembly |
| { |
| String identity; |
| boolean instantiateOnStartup = false; |
| List<Class<? extends Activator<?>>> activators = new ArrayList<>(); |
| |
| public ServiceAssemblyImpl( Class<?> serviceType ) |
| { |
| super( serviceType ); |
| // The composite must always implement ServiceComposite, as a marker interface |
| if( !ServiceComposite.class.isAssignableFrom( serviceType ) ) |
| { |
| types.add( ServiceComposite.class ); |
| } |
| } |
| |
| @Override |
| public String identity() |
| { |
| return identity; |
| } |
| |
| @SuppressWarnings( {"raw", "unchecked"} ) |
| ServiceModel newServiceModel( StateDeclarations stateDeclarations, AssemblyHelper helper ) |
| { |
| try |
| { |
| buildComposite( helper, stateDeclarations ); |
| List<Class<? extends Activator<?>>> activatorClasses = Iterables.toList( |
| Iterables.<Class<? extends Activator<?>>>flatten( activators, activatorsDeclarations( types ) ) ); |
| return new ServiceModel( types, visibility, metaInfo, |
| new ActivatorsModel( activatorClasses ), |
| mixinsModel, stateModel, compositeMethodsModel, |
| identity, instantiateOnStartup ); |
| } |
| catch( Exception e ) |
| { |
| throw new InvalidApplicationException( "Could not register " + types, e ); |
| } |
| } |
| |
| private Iterable<Class<? extends Activator<?>>> activatorsDeclarations( Iterable<? extends Class<?>> typess ) |
| { |
| // Find activator declarations |
| ArrayList<Type> allTypes = new ArrayList<>(); |
| for( Class<?> type : typess ) |
| { |
| Iterable<Type> types = Classes.typesOf( type ); |
| Iterables.addAll( allTypes, types ); |
| } |
| // Find all activators and flattern them into an iterable |
| Function<Type, Iterable<Class<? extends Activator<?>>>> function = new Function<Type, Iterable<Class<? extends Activator<?>>>>() |
| { |
| @Override |
| public Iterable<Class<? extends Activator<?>>> map( Type type ) |
| { |
| Activators activators = Annotations.annotationOn( type, Activators.class ); |
| if( activators == null ) |
| { |
| return Iterables.empty(); |
| } |
| else |
| { |
| return Iterables.iterable( activators.value() ); |
| } |
| } |
| }; |
| Iterable<Class<? extends Activator<?>>> flatten = Iterables.flattenIterables( Iterables.map( function, allTypes ) ); |
| return Iterables.toList( flatten ); |
| } |
| |
| } |