Examples with TransactionDefinition io.micronaut.transaction.TransactionDefinition used on opensource projects

Example 6 with TransactionDefinition

use of io.micronaut.transaction.TransactionDefinition in project micronaut-data by micronaut-projects.

the class DataSourceTransactionManager method doBegin.

/**
 * This implementation sets the isolation level but ignores the timeout.
 */
@Override
protected void doBegin(Object transaction, TransactionDefinition definition) {
    DataSourceTransactionObject txObject = (DataSourceTransactionObject) transaction;
    Connection con = null;
    try {
        if (!txObject.hasConnectionHolder() || txObject.getConnectionHolder().isSynchronizedWithTransaction()) {
            Connection newCon = dataSource.getConnection();
            if (logger.isDebugEnabled()) {
                logger.debug("Acquired Connection [" + newCon + "] for JDBC transaction");
            }
            txObject.setConnectionHolder(new ConnectionHolder(newCon), true);
        }
        txObject.getConnectionHolder().setSynchronizedWithTransaction(true);
        con = txObject.getConnectionHolder().getConnection();
        TransactionDefinition.Isolation previousIsolationLevel = DataSourceUtils.prepareConnectionForTransaction(con, definition);
        txObject.setPreviousIsolationLevel(previousIsolationLevel);
        // configured the connection pool to set it already).
        if (con.getAutoCommit()) {
            txObject.setMustRestoreAutoCommit(true);
            if (logger.isDebugEnabled()) {
                logger.debug("Switching JDBC Connection [" + con + "] to manual commit");
            }
            con.setAutoCommit(false);
        }
        prepareTransactionalConnection(con, definition);
        txObject.getConnectionHolder().setTransactionActive(true);
        Duration timeout = determineTimeout(definition);
        if (timeout != TransactionDefinition.TIMEOUT_DEFAULT) {
            txObject.getConnectionHolder().setTimeout(timeout);
        }
        // Bind the connection holder to the thread.
        if (txObject.isNewConnectionHolder()) {
            TransactionSynchronizationManager.bindResource(dataSource, txObject.getConnectionHolder());
        }
    } catch (Throwable ex) {
        if (txObject.isNewConnectionHolder()) {
            DataSourceUtils.releaseConnection(con, dataSource);
            txObject.setConnectionHolder(null, false);
        }
        throw new CannotCreateTransactionException("Could not open JDBC Connection for transaction", ex);
    }
}