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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.implementation.osgi.xml;
import org.apache.tuscany.sca.contribution.Contribution;
import org.apache.tuscany.sca.contribution.processor.ProcessorContext;
import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.implementation.osgi.ServiceDescriptions;
import org.apache.tuscany.sca.implementation.osgi.ServiceDescriptionsFactory;
/**
*
*/
public class ServiceDescriptionsModelResolver implements ModelResolver {
private ServiceDescriptions serviceDescriptions;
public ServiceDescriptionsModelResolver(Contribution contribution, FactoryExtensionPoint modelFactories) {
ServiceDescriptionsFactory factory = modelFactories.getFactory(ServiceDescriptionsFactory.class);
this.serviceDescriptions = factory.createServiceDescriptions();
}
public void addModel(Object resolved, ProcessorContext context) {
// Merge the service descriptions
if (resolved instanceof ServiceDescriptions) {
serviceDescriptions.addAll((ServiceDescriptions)resolved);
}
}
public Object removeModel(Object resolved, ProcessorContext context) {
// Remove the service descriptions
if (resolved instanceof ServiceDescriptions) {
serviceDescriptions.removeAll((ServiceDescriptions)resolved);
}
return resolved;
}
public <T> T resolveModel(Class<T> modelClass, T unresolved, ProcessorContext context) {
// Always return the aggregated service descriptions
return modelClass.cast(serviceDescriptions);
}
}
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