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package org.glassfish.ejb.deployment.annotation.handlers;
import java.lang.annotation.Annotation;
import java.lang.annotation.ElementType;
import java.lang.reflect.Method;
import java.util.Set;
import java.util.logging.Level;
import jakarta.ejb.MessageDriven;
import jakarta.ejb.Singleton;
import jakarta.ejb.Stateful;
import jakarta.ejb.Stateless;
import jakarta.ejb.Timeout;
import jakarta.ejb.TransactionAttribute;
import jakarta.ejb.TransactionAttributeType;
import jakarta.ejb.TransactionManagement;
import com.sun.enterprise.deployment.LifecycleCallbackDescriptor;
import com.sun.enterprise.deployment.MethodDescriptor;
import com.sun.enterprise.deployment.annotation.context.EjbContext;
import com.sun.enterprise.deployment.annotation.handlers.PostProcessor;
import com.sun.enterprise.deployment.util.TypeUtil;
import com.sun.enterprise.util.LocalStringManagerImpl;
import org.glassfish.apf.AnnotationHandlerFor;
import org.glassfish.apf.AnnotationInfo;
import org.glassfish.apf.AnnotationProcessorException;
import org.glassfish.apf.HandlerProcessingResult;
import org.glassfish.ejb.deployment.descriptor.ContainerTransaction;
import org.glassfish.ejb.deployment.descriptor.EjbDescriptor;
import org.glassfish.ejb.deployment.descriptor.EjbSessionDescriptor;
import org.glassfish.logging.annotation.LogMessageInfo;
import org.jvnet.hk2.annotations.Service;
/**
* This handler is responsible for handling the jakarta.ejb.TransactionAttribute.
*
* @author Shing Wai Chan
*/
@Service
@AnnotationHandlerFor(TransactionAttribute.class)
public class TransactionAttributeHandler extends AbstractAttributeHandler
implements PostProcessor {
private final static LocalStringManagerImpl localStrings =
new LocalStringManagerImpl(TransactionAttributeHandler.class);
public TransactionAttributeHandler() {
}
protected HandlerProcessingResult processAnnotation(AnnotationInfo ainfo,
EjbContext[] ejbContexts) throws AnnotationProcessorException {
TransactionAttribute taAn =
(TransactionAttribute) ainfo.getAnnotation();
for (EjbContext ejbContext : ejbContexts) {
EjbDescriptor ejbDesc = (EjbDescriptor) ejbContext.getDescriptor();
ContainerTransaction containerTransaction =
getContainerTransaction(taAn.value());
if (ElementType.TYPE.equals(ainfo.getElementType())) {
ejbContext.addPostProcessInfo(ainfo, this);
} else {
Method annMethod = (Method) ainfo.getAnnotatedElement();
Set txBusMethods = ejbDesc.getTxBusinessMethodDescriptors();
for (Object next : txBusMethods) {
MethodDescriptor nextDesc = (MethodDescriptor) next;
Method m = nextDesc.getMethod(ejbDesc);
if( TypeUtil.sameMethodSignature(m, annMethod) &&
ejbDesc.getContainerTransactionFor(nextDesc) == null ) {
// override by xml
ejbDesc.setContainerTransactionFor
(nextDesc, containerTransaction);
}
}
if (ejbDesc instanceof EjbSessionDescriptor) {
EjbSessionDescriptor sd = (EjbSessionDescriptor)ejbDesc;
if ( sd.isStateful() || sd.isSingleton() ) {
ClassLoader loader = ejbDesc.getEjbBundleDescriptor().getClassLoader();
Set lcds = ejbDesc.getLifecycleCallbackDescriptors();
for(LifecycleCallbackDescriptor lcd : lcds) {
if( lcd.getLifecycleCallbackClass().equals(ejbDesc.getEjbClassName())
&& lcd.getLifecycleCallbackMethod().equals(annMethod.getName()) ) {
try {
Method m = lcd.getLifecycleCallbackMethodObject(loader);
MethodDescriptor md = new MethodDescriptor(m, MethodDescriptor.LIFECYCLE_CALLBACK);
if (TypeUtil.sameMethodSignature(m, annMethod)
&& ejbDesc.getContainerTransactionFor(md) == null) {
//stateful lifecycle callback txn attr type EJB spec
if (sd.isStateful() && containerTransaction != null) {
String txAttr = containerTransaction.getTransactionAttribute();
if (txAttr != null
&& !txAttr.equals(ContainerTransaction.REQUIRES_NEW)
&& !txAttr.equals(ContainerTransaction.NOT_SUPPORTED)) {
logger.log(Level.WARNING, localStrings.getLocalString(
"enterprise.deployment.annotation.handlers.sfsblifecycletxnattrtypewarn",
"Stateful session bean {0} lifecycle callback method {1} has transaction "
+ "attribute {2} with container-managed transaction demarcation. "
+ "The transaction attribute should be either REQUIRES_NEW or NOT_SUPPORTED",
new Object[]{(sd.getName() == null ? "" : sd.getName()), m.getName(), txAttr}));
}
}
// override by xml
ejbDesc.setContainerTransactionFor(md, containerTransaction);
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE, "Found matching callback method {0}<>{1} : {2}",
new Object[]{ejbDesc.getEjbClassName(), md, containerTransaction});
}
}
} catch(Exception e) {
if (logger.isLoggable(Level.FINE)) {
logger.log(Level.FINE,
"Transaction attribute for a lifecycle callback annotation processing error", e);
}
}
}
}
}
}
}
}
return getDefaultProcessedResult();
}
private ContainerTransaction getContainerTransaction(
TransactionAttributeType taType) {
switch(taType) {
case MANDATORY:
return new ContainerTransaction(
ContainerTransaction.MANDATORY,
ContainerTransaction.MANDATORY);
case REQUIRED:
return new ContainerTransaction(
ContainerTransaction.REQUIRED,
ContainerTransaction.REQUIRED);
case REQUIRES_NEW:
return new ContainerTransaction(
ContainerTransaction.REQUIRES_NEW,
ContainerTransaction.REQUIRES_NEW);
case SUPPORTS:
return new ContainerTransaction(
ContainerTransaction.SUPPORTS,
ContainerTransaction.SUPPORTS);
case NOT_SUPPORTED:
return new ContainerTransaction(
ContainerTransaction.NOT_SUPPORTED,
ContainerTransaction.NOT_SUPPORTED);
default: // NEVER
return new ContainerTransaction(
ContainerTransaction.NEVER,
ContainerTransaction.NEVER);
}
}
/**
* @return an array of annotation types this annotation handler would
* require to be processed (if present) before it processes it's own
* annotation type.
*/
public Class[] getTypeDependencies() {
return new Class[] {
MessageDriven.class, Stateful.class, Stateless.class, Singleton.class,
Timeout.class, TransactionManagement.class};
}
protected boolean supportTypeInheritance() {
return true;
}
/**
* Set the default value (from class type annotation) on all
* methods that don't have a value.
*/
public void postProcessAnnotation(AnnotationInfo ainfo, EjbContext ejbContext)
throws AnnotationProcessorException {
EjbDescriptor ejbDesc = (EjbDescriptor) ejbContext.getDescriptor();
TransactionAttribute taAn =
(TransactionAttribute) ainfo.getAnnotation();
ContainerTransaction containerTransaction =
getContainerTransaction(taAn.value());
Class classAn = (Class)ainfo.getAnnotatedElement();
Set txBusMethods = ejbDesc.getTxBusinessMethodDescriptors();
for (Object mdObj : txBusMethods) {
MethodDescriptor md = (MethodDescriptor)mdObj;
// override by xml
if (classAn.equals(ejbContext.getDeclaringClass(md)) &&
ejbDesc.getContainerTransactionFor(md) == null) {
ejbDesc.setContainerTransactionFor(
md, containerTransaction);
}
}
}
}
