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package com.sun.enterprise.deployment.annotation.handlers;
import java.lang.annotation.Annotation;
import java.lang.reflect.AnnotatedElement;
import javax.ejb.Stateful;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.EjbSessionDescriptor;
import com.sun.enterprise.deployment.annotation.AnnotationInfo;
import com.sun.enterprise.deployment.annotation.AnnotationProcessorException;
import com.sun.enterprise.deployment.annotation.HandlerProcessingResult;
/**
* This handler is responsible for handling the javax.ejb.Stateful
*
* @author Shing Wai Chan
*/
public class StatefulHandler extends AbstractEjbHandler {
/** Creates a new instance of StatefulHandler */
public StatefulHandler() {
}
/**
* @return the annoation type this annotation handler is handling
*/
public Class<? extends Annotation> getAnnotationType() {
return Stateful.class;
}
/**
* Return the name attribute of given annotation.
* @param annotation
* @return name
*/
protected String getAnnotatedName(Annotation annotation) {
Stateful sfAn = (Stateful)annotation;
return sfAn.name();
}
/**
* Check if the given EjbDescriptor matches the given Annotation.
* @param ejbDesc
* @param annotation
* @return boolean check for validity of EjbDescriptor
*/
protected boolean isValidEjbDescriptor(EjbDescriptor ejbDesc,
Annotation annotation) {
return EjbSessionDescriptor.TYPE.equals(ejbDesc.getType());
}
/**
* Create a new EjbDescriptor for a given elementName and AnnotationInfo.
* @param elementName
* @param ainfo
* @return a new EjbDescriptor
*/
protected EjbDescriptor createEjbDescriptor(String elementName,
AnnotationInfo ainfo) throws AnnotationProcessorException {
AnnotatedElement ae = ainfo.getAnnotatedElement();
Class ejbClass = (Class)ae;
EjbSessionDescriptor newDescriptor = new EjbSessionDescriptor();
newDescriptor.setName(elementName);
newDescriptor.setEjbClassName(ejbClass.getName());
newDescriptor.setSessionType(EjbSessionDescriptor.STATEFUL);
return newDescriptor;
}
/**
* Set Annotation information to Descriptor.
* This method will also be invoked for an existing descriptor with
* annotation as user may not specific a complete xml.
* @param ejbDesc
* @param ainfo
* @return HandlerProcessingResult
*/
protected HandlerProcessingResult setEjbDescriptorInfo(
EjbDescriptor ejbDesc, AnnotationInfo ainfo)
throws AnnotationProcessorException {
EjbSessionDescriptor ejbSessionDesc = (EjbSessionDescriptor)ejbDesc;
ejbSessionDesc.setStateless(false);
Stateful sful = (Stateful) ainfo.getAnnotation();
doDescriptionProcessing(sful.description(), ejbDesc);
doMappedNameProcessing(sful.mappedName(), ejbDesc);
return setBusinessAndHomeInterfaces(ejbDesc, ainfo);
}
}