return and increment current gen. concode_field_sep AtomicLong indexingGen concode_elem_sep IndexWriter writer concode_field_sep long deleteDocuments concode_elem_sep long deleteDocuments concode_elem_sep long deleteDocuments concode_elem_sep long deleteDocuments concode_elem_sep long addDocuments concode_elem_sep IndexWriter getIndexWriter concode_elem_sep long addDocument concode_elem_sep long updateDocuments concode_elem_sep long getGeneration concode_elem_sep long deleteAll concode_elem_sep long tryDeleteDocument concode_elem_sep long updateDocument concode_elem_sep long addIndexes concode_elem_sep long addIndexes
long function ( ) { return indexingGen . getAndIncrement ( ) ; }