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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 java.util.List;
import org.apache.tuscany.sca.assembly.AssemblyFactory;
import org.apache.tuscany.sca.assembly.Binding;
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.CompositeReference;
import org.apache.tuscany.sca.assembly.CompositeService;
import org.apache.tuscany.sca.assembly.Endpoint2;
import org.apache.tuscany.sca.assembly.EndpointFactory;
import org.apache.tuscany.sca.assembly.Implementation;
import org.apache.tuscany.sca.assembly.Reference;
import org.apache.tuscany.sca.assembly.SCABinding;
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 creates endpoint models for component services.
*
* @version $Rev$ $Date$
*/
public class CompositeServiceEndpointBuilderImpl implements CompositeBuilder {
private AssemblyFactory assemblyFactory;
public CompositeServiceEndpointBuilderImpl(AssemblyFactory assemblyFactory) {
this.assemblyFactory = assemblyFactory;
}
public String getID() {
return "org.apache.tuscany.sca.assembly.builder.ComponentReferenceEndpointReferenceBuilder";
}
/**
* Create endpoint models for all component services.
*
* @param composite
*/
public void build(Composite composite, Definitions definitions, Monitor monitor) throws CompositeBuilderException {
// process top level composite services
// TODO - I don't think OASIS spec doesn't allows composite references in the domain composite
//
// processCompositeServices(composite);
// process component services
processComponentServices(composite);
}
private void processCompositeServices(Composite composite) {
// top level services are treated slightly differently
// as no component will use these top level services
// as part of its component type. In this case we push down
// the service configuration to create a new endpoint on the
// component from which the service is promoted
for (Service service : composite.getServices()) {
Component promotedComponent = ((CompositeService)service).getPromotedComponent();
ComponentService promotedService = ((CompositeService)service).getPromotedService();
if (promotedService != null) {
for (Binding binding : service.getBindings()){
Endpoint2 endpoint = assemblyFactory.createEndpoint();
endpoint.setComponent(promotedComponent);
endpoint.setService(promotedService);
endpoint.setBinding(binding);
endpoint.setUnresolved(false);
promotedService.getEndpoints().add(endpoint);
}
}
}
}
private void processComponentServices(Composite composite) {
for (Component component : composite.getComponents()) {
// recurse for composite implementations
Implementation implementation = component.getImplementation();
if (implementation instanceof Composite) {
processComponentServices((Composite)implementation);
}
// create an endpoint for each component service binding
for (ComponentService service : component.getServices()) {
for (Binding binding : service.getBindings()){
Endpoint2 endpoint = assemblyFactory.createEndpoint();
endpoint.setComponent(component);
endpoint.setService(service);
endpoint.setBinding(binding);
endpoint.setUnresolved(false);
service.getEndpoints().add(endpoint);
}
}
}
}
}
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