void function ( ) { }
notification that this participant 's help is needed in a search . this method should be re-implemented in subclasses that need to do something when the participant is needed in a search . concode_field_sep PlaceHolder placeHolder concode_field_sep void indexDocument concode_elem_sep void locateMatches concode_elem_sep SearchDocument getDocument concode_elem_sep IPath[] selectIndexes concode_elem_sep void removeIndex concode_elem_sep void scheduleDocumentIndexing concode_elem_sep void doneSearching concode_elem_sep String getDescription