text = null;
  public String getColumnText(Object _element, String _property) {    EOAttribute attribute = (EOAttribute) _element;    String text = null;    if (_property == EOAttributesConstants.PRIMARY_KEY) {      text = null;      //yesNoText(attribute, attribute.isPrimaryKey());    }    else if (_property == EOAttributesConstants.LOCKING) {      text = null;      //yesNoText(attribute, attribute.isUsedForLocking());    }    else if (_property == EOAttributesConstants.CLASS_PROPERTY) {      text = null;      //yesNoText(attribute, attribute.isClassProperty());    }    else if (_property == EOAttributesConstants.ALLOW_NULL) {      text = null;      //yesNoText(attribute, attribute.isAllowsNull());    }    else if (_property == EOAttributesConstants.NAME) {      text = attribute.getName();    }    else if (_property == EOAttributesConstants.COLUMN) {      text = attribute.getColumnName();    }    else if (_property == EOAttributesConstants.PROTOTYPE) {      EOAttribute prototype = attribute.getPrototype();      if (prototype != null) {        text = prototype.getName();      }    }    else {      throw new IllegalArgumentException("Unknown property '" + _property + "'");    }    return text;  }