if (expr != null) {
final Object source = _cell.getSource();
final String definedName = _cell.getName();
final boolean input = _cell.isInput();
final boolean output = _cell.isOutput();
final ExpressionNodeForLogging loggingExpr = new ExpressionNodeForLogging( expr, source, definedName, input, output );
_cell.setExpression( loggingExpr );
}
return true;
}