question: updatebook . concode_field_sep Logger LOGGER concode_elem_sep BookService bookService concode_field_sep String deleteBook concode_elem_sep Books getBooks concode_elem_sep Book getBookByQuery concode_elem_sep Book saveBook concode_elem_sep Book getBookByPath
target: Book function ( @ PathParam ( "srini_string" ) final Long arg0 , final Book arg1 ) { if ( arg1 == null ) { return null ; } return bookService . updateBook ( arg0 , arg1 ) ; }