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// Portions Copyright [2016] [Payara Foundation]

package org.glassfish.cdi.transaction;

import org.glassfish.logging.annotation.LoggerInfo;

import javax.interceptor.AroundInvoke;
import javax.interceptor.Interceptor;
import javax.interceptor.InvocationContext;
import javax.transaction.TransactionRequiredException;
import javax.transaction.TransactionalException;
import java.util.logging.Logger;

/**
 * Transactional annotation Interceptor class for Mandatory transaction type,
 * ie javax.transaction.Transactional.TxType.MANDATORY
 * If called outside a transaction context, TransactionRequiredException will be thrown
 * If called inside a transaction context, managed bean method execution will then
 * continue under that context.
 *
 * @author Paul Parkinson
 */
@javax.annotation.Priority(Interceptor.Priority.PLATFORM_BEFORE + 200)
@Interceptor()
@javax.transaction.Transactional(javax.transaction.Transactional.TxType.MANDATORY)
public class TransactionalInterceptorMandatory extends TransactionalInterceptorBase {

    private static final Logger _logger = Logger.getLogger(CDI_JTA_LOGGER_SUBSYSTEM_NAME, SHARED_LOGMESSAGE_RESOURCE);

    @AroundInvoke
    public Object transactional(InvocationContext ctx) throws Exception {
        _logger.log(java.util.logging.Level.FINE, CDI_JTA_MANDATORY);
        if (isLifeCycleMethod(ctx)) return proceed(ctx);
        setTransactionalTransactionOperationsManger(false);
        try {
            if (getTransactionManager().getTransaction() == null)
                throw new TransactionalException(
                        "TransactionRequiredException thrown from TxType.MANDATORY transactional interceptor.",
                        new TransactionRequiredException("Managed bean with Transactional annotation and TxType of " +
                                "MANDATORY called outside of a transaction context"));
            return proceed(ctx);
        } finally {
            resetTransactionOperationsManager();
        }
    }

}