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/*
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 *
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 *
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 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
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// Portions Copyright [2016] [Payara Foundation]

// Portions Copyright [2016] [Payara Foundation]

package org.glassfish.cdi.transaction;


import com.sun.enterprise.transaction.TransactionManagerHelper;
import javax.interceptor.AroundInvoke;
import javax.interceptor.Interceptor;
import javax.interceptor.InvocationContext;
import javax.transaction.Status;
import javax.transaction.TransactionalException;
import java.util.logging.Logger;
import javax.transaction.TransactionManager;

/**
 * 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.PLATFORM_BEFORE + 200)
@Interceptor
@javax.transaction.Transactional(javax.transaction.Transactional.TxType.REQUIRED)
public class TransactionalInterceptorRequired 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_REQUIRED);
        if (isLifeCycleMethod(ctx)) return proceed(ctx);
        setTransactionalTransactionOperationsManger(false);
        try {
            boolean isTransactionStarted = false;
            if (getTransactionManager().getTransaction() == null) {
                _logger.log(java.util.logging.Level.FINE, CDI_JTA_MBREQUIRED);
                try {
                    getTransactionManager().begin();
                    TransactionManager tm = getTransactionManager();
                    if (tm instanceof TransactionManagerHelper) {
                       ((TransactionManagerHelper)tm).preInvokeTx(true);
                    }
                    
                } catch (Exception exception) {
                    String messageString =
                            "Managed bean with Transactional annotation and TxType of REQUIRED " +
                                    "encountered exception during begin " +
                                    exception;
                    _logger.log(java.util.logging.Level.FINE,
                        CDI_JTA_MBREQUIREDBT, exception);
                    throw new TransactionalException(messageString, exception);
                }
                isTransactionStarted = true;
            }
            Object proceed = null;
            try {
                proceed = proceed(ctx);
            } finally {
                if (isTransactionStarted) {
                    try {
                        TransactionManager tm = getTransactionManager();
                        if (tm instanceof TransactionManagerHelper) {
                           ((TransactionManagerHelper)tm).postInvokeTx(false,true);
                        }
                        // Exception handling for proceed method call above can set TM/TRX as setRollbackOnly
                        if(getTransactionManager().getTransaction().getStatus() == Status.STATUS_MARKED_ROLLBACK) {
                            getTransactionManager().rollback();
                        } else {
                            getTransactionManager().commit();
                        }
                    } catch (Exception exception) {
                        String messageString =
                                "Managed bean with Transactional annotation and TxType of REQUIRED " +
                                        "encountered exception during commit " +
                                        exception;
                        _logger.log(java.util.logging.Level.FINE,
                                CDI_JTA_MBREQUIREDCT, exception);
                        throw new TransactionalException(messageString, exception);
                    }
                }
            }
            return proceed;
        } finally {
            resetTransactionOperationsManager();
        }
    }
}