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/*
* 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.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.builder.CompositeBuilder;
import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
import org.apache.tuscany.sca.definitions.Definitions;
import org.apache.tuscany.sca.monitor.Monitor;
/**
* A composite builder that handles the creation of promoted composite services.
*
* @version $Rev$ $Date$
*/
public class CompositeServicePromotionBuilderImpl implements CompositeBuilder {
private AssemblyFactory assemblyFactory;
public CompositeServicePromotionBuilderImpl(AssemblyFactory assemblyFactory) {
this.assemblyFactory = assemblyFactory;
}
public String getID() {
return "org.apache.tuscany.sca.assembly.builder.CompositeServicePromotionBuilder";
}
public void build(Composite composite, Definitions definitions, Monitor monitor) throws CompositeBuilderException {
// Process top level composite services
for (Service service : composite.getServices()) {
CompositeService compositeService = (CompositeService)service;
// 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 composite
// service on the promoted component
ComponentService newComponentService = assemblyFactory.createComponentService();
newComponentService.setName("$promoted$" + compositeService.getName());
promotedComponent.getServices().add(newComponentService);
newComponentService.setService(promotedService.getService());
newComponentService.getBindings().addAll(compositeService.getBindings());
newComponentService.setInterfaceContract(compositeService.getInterfaceContract());
if (compositeService.getInterfaceContract() != null &&
compositeService.getInterfaceContract().getCallbackInterface() != null) {
newComponentService.setCallback(assemblyFactory.createCallback());
newComponentService.getCallback().getBindings()
.addAll(compositeService.getCallback().getBindings());
}
// Change the composite service to now promote the newly
// created component service directly
compositeService.setPromotedComponent(promotedComponent);
compositeService.setPromotedService(newComponentService);
}
}
}
}
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