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package org.glassfish.cdi.transaction;
import com.sun.logging.LogDomains;
import javax.interceptor.AroundInvoke;
import javax.interceptor.Interceptor;
import javax.interceptor.InvocationContext;
import javax.transaction.TransactionalException;
import java.util.logging.Logger;
/**
* Transactional annotation Interceptor class for Required transaction type,
* ie javax.transaction.Transactional.TxType.REQUIRED
* If called outside a transaction context, a new JTA transaction will begin,
* the managed bean method execution will then continue inside this transaction context,
* and the transaction will be committed.
* If called inside a transaction context, the managed bean method execution will then continue
* inside this transaction context.
*
* @author Paul Parkinson
*/
@javax.annotation.Priority(Interceptor.Priority.LIBRARY_BEFORE + 10)
@Interceptor
@javax.transaction.Transactional(javax.transaction.Transactional.TxType.REQUIRED)
public class TransactionalInterceptorRequired extends TransactionalInterceptorBase {
private static Logger _logger = LogDomains.getLogger(
TransactionalInterceptorRequired.class, LogDomains.JTA_LOGGER);
@AroundInvoke
public Object transactional(InvocationContext ctx) throws Exception {
_logger.info("In REQUIRED TransactionalInterceptor");
if (isLifeCycleMethod(ctx)) return proceed(ctx);
setTransactionalTransactionOperationsManger(false);
try {
boolean isTransactionStarted = false;
if (getTransactionManager().getTransaction() == null) {
_logger.info("Managed bean with Transactional annotation and TxType of REQUIRED " +
"called outside a transaction context. Beginning a transaction...");
try {
getTransactionManager().begin();
} catch (Exception exception) {
String messageString =
"Managed bean with Transactional annotation and TxType of REQUIRED " +
"encountered exception during begin " +
exception;
_logger.info(messageString);
throw new TransactionalException(messageString, exception);
}
isTransactionStarted = true;
}
Object proceed = null;
try {
proceed = proceed(ctx);
} finally {
if (isTransactionStarted)
try {
getTransactionManager().commit();
} catch (Exception exception) {
String messageString =
"Managed bean with Transactional annotation and TxType of REQUIRED " +
"encountered exception during commit " +
exception;
_logger.info(messageString);
throw new TransactionalException(messageString, exception);
}
}
return proceed;
} finally {
resetTransactionOperationsManager();
}
}
}