UserSearchExpandoValue.java

 User user = null;
        try
        {
            ExpandoColumn column = ExpandoColumnLocalServiceUtil.getDefaultTableColumn(companyId, User.class.getName(), columnName);
            DynamicQuery dynamicQuery = DynamicQueryFactoryUtil.forClass(ExpandoValue.class, PortalClassLoaderUtil.getClassLoader())
                    .add(PropertyFactoryUtil.forName("columnId").eq(GetterUtil.getLong(column.getColumnId()))).add(
                            PropertyFactoryUtil.forName("data").eq(value)).add(
                            PropertyFactoryUtil.forName("classNameId").eq(
                                    GetterUtil.getLong(ClassNameLocalServiceUtil.getClassNameId(User.class.getName()))));
            List expandoValueList = ExpandoValueLocalServiceUtil.dynamicQuery(dynamicQuery);
            Iterator i = expandoValueList.iterator();
            List<User> userList = new ArrayList<User>();
            do
            {
                if (!i.hasNext())
                {
                    break;
                }
                ExpandoValue expandoValue = (ExpandoValue) i.next();
                if (expandoValue.getClassPK() > 0L)
                {

                  user = UserLocalServiceUtil.getUser(expandoValue.getClassPK());
                  userList.add(user);
                }
            } while (true);
        } catch (Exception e)
        {
            LOGGER.error(e.getMessage(),e);
        }