diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6.1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/ComponentServicePromotionBuilderImpl.java')
-rw-r--r-- | sca-java-1.x/tags/1.6.1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/ComponentServicePromotionBuilderImpl.java | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6.1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/ComponentServicePromotionBuilderImpl.java b/sca-java-1.x/tags/1.6.1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/ComponentServicePromotionBuilderImpl.java new file mode 100644 index 0000000000..ce3f817acf --- /dev/null +++ b/sca-java-1.x/tags/1.6.1/modules/assembly/src/main/java/org/apache/tuscany/sca/assembly/builder/impl/ComponentServicePromotionBuilderImpl.java @@ -0,0 +1,105 @@ +/* + * 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.tuscany.sca.assembly.builder.impl; + +import org.apache.tuscany.sca.assembly.AssemblyFactory; +import org.apache.tuscany.sca.assembly.Component; +import org.apache.tuscany.sca.assembly.ComponentReference; +import org.apache.tuscany.sca.assembly.ComponentService; +import org.apache.tuscany.sca.assembly.Composite; +import org.apache.tuscany.sca.assembly.CompositeService; +import org.apache.tuscany.sca.assembly.Service; +import org.apache.tuscany.sca.assembly.Implementation; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilder; +import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException; + +/** + * A composite builder that handles the creation of promoted services. + * + * @version $Rev$ $Date$ + */ +public class ComponentServicePromotionBuilderImpl implements CompositeBuilder { + private AssemblyFactory assemblyFactory; + + public ComponentServicePromotionBuilderImpl(AssemblyFactory assemblyFactory) { + this.assemblyFactory = assemblyFactory; + } + + public void build(Composite composite) throws CompositeBuilderException { + + // Process nested composites recursively + configureNestedCompositeServices(composite); + } + + private void configureNestedCompositeServices(Composite composite) { + + // Process nested composites recursively + for (Component component : composite.getComponents()) { + Implementation implementation = component.getImplementation(); + if (implementation instanceof Composite) { + + // First process nested composites + configureNestedCompositeServices((Composite)implementation); + + // Process the component services declared on components in this composite + for (ComponentService componentService : component.getServices()) { + Service implService = componentService.getService(); + if (implService != null && implService instanceof CompositeService) { + CompositeService compositeService = (CompositeService)implService; + + // Get the innermost promoted service + ComponentService promotedService = + ServiceConfigurationUtil.getPromotedComponentService(compositeService); + if (promotedService != null) { + Component promotedComponent = ServiceConfigurationUtil.getPromotedComponent(compositeService); + + // Create a new component service to represent this + // component service on the promoted component + ComponentService newComponentService = assemblyFactory.createComponentService(); + newComponentService.setName("$promoted$" + component.getName() + "$slash$" + componentService.getName()); + promotedComponent.getServices().add(newComponentService); + newComponentService.setService(promotedService.getService()); + newComponentService.getBindings().addAll(componentService.getBindings()); + newComponentService.setInterfaceContract(componentService.getInterfaceContract()); + + if (componentService.getInterfaceContract() != null && + componentService.getInterfaceContract().getCallbackInterface() != null) { + newComponentService.setCallback(assemblyFactory.createCallback()); + newComponentService.getCallback().getBindings() + .addAll(componentService.getCallback().getBindings()); + ComponentReference callbackReference = + BaseConfigurationBuilderImpl.createCallbackReference(promotedComponent, newComponentService, + assemblyFactory); + callbackReference.getBindings().addAll(componentService.getCallback().getBindings()); + newComponentService.setCallbackReference(callbackReference); + } + + // Change the composite service to now promote the + // newly created component service directly + compositeService.setPromotedComponent(promotedComponent); + compositeService.setPromotedService(newComponentService); + } + } + } + } + } + } + +} |