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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* 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.apache.tuscany.core.config.processor;
import org.apache.tuscany.core.config.ConfigurationLoadException;
import org.apache.tuscany.model.assembly.ComponentType;
import org.apache.tuscany.model.assembly.Scope;
import org.apache.tuscany.model.assembly.Service;
/**
* Processes the {@link org.osoa.sca.annotations.Scope} annotation
*
* @version $$Rev$$ $$Date$$
*/
public class ScopeProcessor extends ImplementationProcessorSupport {
public ScopeProcessor() {
}
@Override
public void visitEnd(Class<?> clazz, ComponentType type) throws ConfigurationLoadException {
Scope scope = null;
org.osoa.sca.annotations.Scope annotation = clazz.getAnnotation(org.osoa.sca.annotations.Scope.class);
if (annotation != null) {
scope = ProcessorHelper.getScope(annotation);
} else {
Class<?> superClass = clazz.getSuperclass();
if (superClass != null) {
scope = recurseScope(superClass);
}
}
if (scope == null) {
scope = Scope.INSTANCE;
}
//FIXME hack for now - set scope to implementation scope
//This will be clean up with spec change
for (Service service : type.getServices()) {
Scope serviceScope = service.getServiceContract().getScope();
if (serviceScope == Scope.INSTANCE || serviceScope == null) {
service.getServiceContract().setScope(scope);
}
}
}
/**
* Walks the class hierarchy until a scope annotation is found
*/
private Scope recurseScope(Class<?> superClass) {
if (Object.class.equals(superClass)) {
return null;
}
org.osoa.sca.annotations.Scope scope = superClass.getAnnotation(org.osoa.sca.annotations.Scope.class);
if (scope == null) {
superClass = superClass.getSuperclass();
if (superClass != null) {
return recurseScope(superClass);
}
}
return ProcessorHelper.getScope(scope);
}
}
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