CloudFileOp

Synthèse

Performs file related operations that are cloud specific.

Discussion

This class cannot be instantiated directly. An instance of this class is returned by the AIOFile object's cloud property.

Vue d’ensemble des méthodes

MéthodeExplication
clearcache ()

Clears file properties and BLOB region cache. Call this method when an external process updates the file.

usebufferedreader ()

Caches last read bytes.

usecachedfile ({blocksize}, {cachesize})

Uses least recently used (LRU) block cache for handling files on cloud.

Méthodes

clearcache ()
cloud_io = AIO(r"C:\data\datacloud.acs")
rcsfile = cloud_io.open(r'testfile.txt', 'r')
rcsfile.cloud.clearcache()
usebufferedreader ()
cloud_io = AIO(r"C:\data\datacloud.acs")
rcsfile = cloud_io.open(r'testfile.txt', 'r')
rcsfile.cloud.usebufferedreader()
usecachedfile ({blocksize}, {cachesize})
ParamètreExplicationType de données
blocksize

The block size.

(La valeur par défaut est 32768)

Integer
cachesize

The cache size.

(La valeur par défaut est 0)

Integer
cloud_io = AIO(r"C:\data\datacloud.acs")
rcsfile = cloud_io.open(r'testfile.txt', 'r')
rcsfile.cloud.usecachedfile(blocksize=32768, cachesize=0)