Examples with XdrOutputStream org.firebirdsql.gds.impl.wire.XdrOutputStream used on opensource projects

Example 31 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Statement method sendAllocate.

/**
 * Sends the allocate request to the server.
 *
 * @throws SQLException
 * @throws IOException
 */
protected void sendAllocate() throws SQLException, IOException {
    final XdrOutputStream xdrOut = getXdrOut();
    xdrOut.writeInt(WireProtocolConstants.op_allocate_statement);
    xdrOut.writeInt(getDatabase().getHandle());
}

Example 32 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Statement method writeSqlData.

/**
 * Write a set of SQL data from a list of {@link FieldValue} instances.
 *
 * @param rowDescriptor
 *         The row descriptor
 * @param fieldValues
 *         The List containing the SQL data to be written
 * @throws IOException
 *         if an error occurs while writing to the underlying output stream
 */
protected void writeSqlData(final RowDescriptor rowDescriptor, final RowValue fieldValues) throws IOException, SQLException {
    final XdrOutputStream xdrOut = getXdrOut();
    final BlrCalculator blrCalculator = getDatabase().getBlrCalculator();
    for (int idx = 0; idx < fieldValues.getCount(); idx++) {
        final FieldValue fieldValue = fieldValues.getFieldValue(idx);
        final FieldDescriptor fieldDescriptor = rowDescriptor.getFieldDescriptor(idx);
        final int len = blrCalculator.calculateIoLength(fieldDescriptor, fieldValue);
        final byte[] buffer = fieldValue.getFieldData();
        final int fieldType = fieldDescriptor.getType();
        writeColumnData(xdrOut, len, buffer, fieldType);
        // sqlind (null indicator)
        xdrOut.writeInt(buffer != null ? NULL_INDICATOR_NOT_NULL : NULL_INDICATOR_NULL);
    }
}

Example 33 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Statement method sendFree.

/**
 * Sends the free statement to the database
 *
 * @param option
 *         Free statement option
 * @throws IOException
 * @throws SQLException
 */
protected void sendFree(int option) throws IOException, SQLException {
    final XdrOutputStream xdrOut = getXdrOut();
    xdrOut.writeInt(WireProtocolConstants.op_free_statement);
    xdrOut.writeInt(getHandle());
    xdrOut.writeInt(option);
}

Example 34 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Statement method sendInfoSql.

/**
 * Sends the info sql request to the database
 *
 * @param requestItems
 *         Info request items
 * @param bufferLength
 *         Requested response buffer length
 * @throws IOException
 * @throws SQLException
 */
protected void sendInfoSql(final byte[] requestItems, final int bufferLength) throws IOException, SQLException {
    final XdrOutputStream xdrOut = getXdrOut();
    xdrOut.writeInt(WireProtocolConstants.op_info_sql);
    xdrOut.writeInt(getHandle());
    // incarnation
    xdrOut.writeInt(0);
    xdrOut.writeBuffer(requestItems);
    xdrOut.writeInt(bufferLength);
}

Example 35 with XdrOutputStream

use of org.firebirdsql.gds.impl.wire.XdrOutputStream in project jaybird by FirebirdSQL.

the class V10Statement method sendFetch.

/**
 * Sends the fetch request to the database.
 *
 * @param fetchSize Number of rows to fetch.
 * @throws SQLException
 * @throws IOException
 */
protected void sendFetch(int fetchSize) throws SQLException, IOException {
    final XdrOutputStream xdrOut = getXdrOut();
    xdrOut.writeInt(WireProtocolConstants.op_fetch);
    xdrOut.writeInt(getHandle());
    xdrOut.writeBuffer(calculateBlr(getFieldDescriptor()));
    // out_message_number = out_message_type
    xdrOut.writeInt(0);
    // fetch size
    xdrOut.writeInt(fetchSize);
}