question: private void doSelfValidationQuery ( ) throws Throwable { TermQuery tq = new TermQuery ( new Term ( ServiceDocument . FIELD_NAME_SELF_LINK , getSelfLink ( ) ) ) ; ServiceDocumentQueryResult rsp = new ServiceDocumentQueryResult ( ) ; Operation op = Operation . createGet ( getUri ( ) ) ; EnumSet < QueryOption > options = EnumSet . of ( QueryOption . INCLUDE_ALL_VERSIONS ) ; IndexSearcher s = new IndexSearcher ( DirectoryReader . open ( this . writer , true , true ) ) ; queryIndex ( op , options , s , tq , null , Integer . MAX_VALUE , 0 , null , rsp , null ) ; }
target:  Issues a query to verify index is healthy