Examples of org.castor.persist.TransactionContext

org.castor.persist.TransactionContext
A transaction context is required in order to perform operations against the database. The transaction context is mapped to an API transaction or an XA transaction. The only way to begin a new transaction is through the creation of a new transaction context. A transaction context is created from an implementation class directly or through {@link org.exolab.castor.persist.XAResourceImpl}. @author Assaf Arkin @author Ralf Joachim @author Werner Guttmann @author Gregory Block @version $Revision: 7121 $ $Date: 2006-04-22 11:05:30 -0600 (Sat, 22 Apr 2006) $ @since 1.0

        return false;
    }
    
    
    public boolean setTransactionTimeout(final int timeout) {
        TransactionContext tx;
        
        tx = _xaSource.getTransactionContext();
        if ((tx != null) && tx.isOpen()) {
            tx.setTransactionTimeout(timeout);
            return true;
        }
        return false;
    }

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        return false;
    }




    public int getTransactionTimeout() {
        TransactionContext tx;
        
        tx = _xaSource.getTransactionContext();
        if (tx != null && tx.isOpen()) {
            return tx.getTransactionTimeout();
        }
        return 0;
    }

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        _dbEngine = ((AbstractDatabaseImpl) _database).getLockEngine();
        if (_dbEngine == null) {
            throw new QueryException("Could not get a persistence engine");
        }


        TransactionContext trans = ((AbstractDatabaseImpl) _database).getTransaction();
        DbMetaInfo dbInfo = trans.getConnectionInfo(_dbEngine);


        ParseTreeWalker walker = new ParseTreeWalker(_dbEngine, parseTree,
                _database.getClassLoader(), dbInfo);


        _objClass = walker.getObjClass();

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                case ParseTreeWalker.DEPENDANT_VALUE:
                case ParseTreeWalker.AGGREGATE:
                case ParseTreeWalker.FUNCTION:
                    try {
                        TransactionContext tx = ((AbstractDatabaseImpl) _database).getTransaction();
                        java.sql.Connection conn = tx.getConnection(_dbEngine);
                        SimpleQueryExecutor sqe = new SimpleQueryExecutor(_database);
                        _results =  sqe.execute(conn, _expr, _bindValues);
                    } catch (QueryException except) {
                        throw new QueryException(Messages.message(
                                "persist.simple.query.failed"), except);

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Related Classes of org.castor.persist.TransactionContext

org.exolab.castor.jdo.engine.AbstractDatabaseImpl

org.exolab.castor.jdo.engine.OQLQueryImpl

org.exolab.castor.persist.XAResourceImpl

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