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// Portions Copyright [2019-2021] Payara Foundation and/or affiliates

package com.sun.gjc.spi;


import com.sun.logging.LogDomains;

import jakarta.resource.ResourceException;
import jakarta.resource.spi.LocalTransactionException;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * LocalTransactionImpl implementation for Generic JDBC Connector.
 *
 * @author Evani Sai Surya Kiran
 * @version 1.0, 02/08/03
 */
public class LocalTransactionImpl implements jakarta.resource.spi.LocalTransaction {

    private ManagedConnectionImpl mc;
    protected final static Logger _logger;

    static {
        _logger = LogDomains.getLogger(LocalTransactionImpl.class, LogDomains.RSR_LOGGER);
    }

    /**
     * Constructor for LocalTransactionImpl.
     *
     * @param mc ManagedConnection that returns
     *           this LocalTransactionImpl object as
     *           a result of getLocalTransaction
     */
    public LocalTransactionImpl(ManagedConnectionImpl mc) {
        this.mc = mc;
    }

    /**
     * Begin a local transaction.
     *
     * @throws LocalTransactionException if there is an error in changing
     *                                   the autocommit mode of the physical
     *                                   connection
     */
    @Override
    public void begin() throws ResourceException {
        //GJCINT
        mc.transactionStarted();
        try {
            mc.getActualConnection().setAutoCommit(false);
        } catch (java.sql.SQLException sqle) {
            if(_logger.isLoggable(Level.FINEST)){
                _logger.finest("Exception during begin() : " + sqle);
            }
            throw new LocalTransactionException(sqle.getMessage(), sqle);
        }
    }

    /**
     * Commit a local transaction.
     *
     * @throws LocalTransactionException if there is an error in changing
     *                                   the autocommit mode of the physical
     *                                   connection or committing the transaction
     */
    @Override
    public void commit() throws ResourceException {
        try {
            mc.getActualConnection().commit();
            mc.getActualConnection().setAutoCommit(true);
        } catch (java.sql.SQLException sqle) {
            if(_logger.isLoggable(Level.FINEST)){
                _logger.finest("Exception during commit() : " + sqle);
            }
            throw new LocalTransactionException(sqle.getMessage(), sqle);
        } finally {
            //GJCINT
            mc.transactionCompleted();
        }
    }

    /**
     * Rollback a local transaction.
     *
     * @throws LocalTransactionException if there is an error in changing
     *                                   the autocommit mode of the physical
     *                                   connection or rolling back the transaction
     */
    @Override
    public void rollback() throws ResourceException {
        try {
            mc.getActualConnection().rollback();
            mc.getActualConnection().setAutoCommit(true);
        } catch (java.sql.SQLException sqle) {
            if(_logger.isLoggable(Level.FINEST)){
                _logger.finest("Exception during rollback() : " + sqle);
            }
            throw new LocalTransactionException(sqle.getMessage(), sqle);
        } finally {
            //GJCINT
            mc.transactionCompleted();
        }
    }

}