returns the next token if it is an operator . otherwise , it resets the stream and returns null . concode_field_sep Pattern PUNCTUATION concode_elem_sep String stream concode_elem_sep int streamPos concode_field_sep void skipUnit concode_elem_sep boolean hasMoreTokens concode_elem_sep void sanitizeQuery concode_elem_sep Token nextToken concode_elem_sep String toString concode_elem_sep void processString concode_elem_sep int[] findSkipNextWord
Token function ( ) { int loc0 = streamPos ; Token loc1 = nextToken ( ) ; if ( loc1 != null && loc1 . isOperator ( ) ) { return loc1 ; } else { streamPos = loc0 ; return null ; } }