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/**
* SCA4J
* Copyright (c) 2009 - 2099 Service Symphony Ltd
*
* Licensed to you under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. A copy of the license
* is included in this distrubtion or you may obtain a copy at
*
* http://www.opensource.org/licenses/apache2.0.php
*
* 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.
*
* This project contains code licensed from the Apache Software Foundation under
* the Apache License, Version 2.0 and original code from project contributors.
*
*
* Original Codehaus Header
*
* Copyright (c) 2007 - 2008 fabric3 project contributors
*
* Licensed to you under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. A copy of the license
* is included in this distrubtion or you may obtain a copy at
*
* http://www.opensource.org/licenses/apache2.0.php
*
* 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.
*
* This project contains code licensed from the Apache Software Foundation under
* the Apache License, Version 2.0 and original code from project contributors.
*
* Original Apache Header
*
* Copyright (c) 2005 - 2006 The Apache Software Foundation
*
* Apache Tuscany is an effort undergoing incubation at The Apache Software
* Foundation (ASF), sponsored by the Apache Web Services PMC. Incubation is
* required of all newly accepted projects until a further review indicates that
* the infrastructure, communications, and decision making process have stabilized
* in a manner consistent with other successful ASF projects. While incubation
* status is not necessarily a reflection of the completeness or stability of the
* code, it does indicate that the project has yet to be fully endorsed by the ASF.
*
* This product includes software developed by
* The Apache Software Foundation (http://www.apache.org/).
*/
package org.sca4j.jpa.introspection;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.lang.reflect.Type;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.PersistenceContextType;
import org.osoa.sca.annotations.EagerInit;
import org.osoa.sca.annotations.Reference;
import org.sca4j.introspection.IntrospectionContext;
import org.sca4j.introspection.TypeMapping;
import org.sca4j.introspection.contract.ContractProcessor;
import org.sca4j.introspection.java.AbstractAnnotationProcessor;
import org.sca4j.jpa.scdl.PersistenceContextResource;
import org.sca4j.scdl.DefaultValidationContext;
import org.sca4j.scdl.FieldInjectionSite;
import org.sca4j.scdl.Implementation;
import org.sca4j.scdl.InjectingComponentType;
import org.sca4j.scdl.MethodInjectionSite;
import org.sca4j.scdl.Scope;
import org.sca4j.scdl.ServiceContract;
import org.sca4j.scdl.ValidationContext;
/**
* Processes @PersistenceContext annotations.
*
* @version $Rev: 4286 $ $Date: 2008-05-21 20:56:34 +0100 (Wed, 21 May 2008) $
*/
@EagerInit
public class PersistenceContextProcessor> extends AbstractAnnotationProcessor {
private final ServiceContract factoryServiceContract;
public PersistenceContextProcessor(@Reference ContractProcessor contractProcessor) {
super(PersistenceContext.class);
ValidationContext context = new DefaultValidationContext();
factoryServiceContract = contractProcessor.introspect(new TypeMapping(), EntityManager.class, context);
assert !context.hasErrors(); // should not happen
}
public void visitField(PersistenceContext annotation, Field field, I implementation, IntrospectionContext context) {
FieldInjectionSite site = new FieldInjectionSite(field);
InjectingComponentType componentType = implementation.getComponentType();
PersistenceContextResource definition = createDefinition(annotation, componentType);
componentType.add(definition, site);
}
public void visitMethod(PersistenceContext annotation, Method method, I implementation, IntrospectionContext context) {
MethodInjectionSite site = new MethodInjectionSite(method, 0);
InjectingComponentType componentType = implementation.getComponentType();
PersistenceContextResource definition = createDefinition(annotation, componentType);
componentType.add(definition, site);
}
private PersistenceContextResource createDefinition(PersistenceContext annotation, InjectingComponentType componentType) {
String name = annotation.name();
String unitName = annotation.unitName();
PersistenceContextType type = annotation.type();
boolean multiThreaded = Scope.COMPOSITE.getScope().equals(componentType.getScope());
return new PersistenceContextResource(name, unitName, type, factoryServiceContract, multiThreaded);
}
}
