Groovy Liferay re-index specific User

LiferayReindexSpecificUser.groovy

import com.liferay.portal.kernel.search.IndexerRegistryUtil;
import com.liferay.portal.kernel.search.Indexer
import com.liferay.portal.model.User
import com.liferay.portal.util.*;
import com.liferay.portal.service.*
import com.liferay.portal.service.ServiceContext;

try {
  long companyId = PortalUtil.getDefaultCompanyId();
  User user = UserLocalServiceUtil.getUserByScreenName(companyId, "sasupport" );
	out.println("User:"+user);						
	Indexer indexer = IndexerRegistryUtil.nullSafeGetIndexer(User.class);

	indexer.reindex(user);
	out.println("User reindexed");						

}catch (e) {
	out.println("Error = " + e.getMessage());
}