Optional < Path > function ( State arg0 ) { if ( arg0 . contains ( PERSIST_DIR_KEY ) ) { return Optional . of ( new Path ( arg0 . getProp ( PERSIST_DIR_KEY ) , UserGroupInformation . getCurrentUser ( ) . getShortUserName ( ) ) ) ; } return Optional . absent ( ) ; }
get the persist directory for this job . concode_field_sep String PERSIST_DIR_KEY concode_elem_sep Optional<Path> persistDir concode_elem_sep int DEFAULT_PERSIST_RETENTION concode_elem_sep String PERSIST_RETENTION_KEY concode_elem_sep FileSystem fs concode_elem_sep int retentionHours concode_field_sep Optional<FileStatus> findPersistedFile concode_elem_sep String shortenPathName concode_elem_sep void purgeOldPersistedFile concode_elem_sep boolean persistFile concode_elem_sep String computeGuid