class ShoreFileDeletionQueue

A queue of SHORE file identifiers which are deleted lazily

Inheritance:

Public Methods

XxxErrCode	EnqueueFile (XxxShoreVolumeId VolId, XxxShoreObjectId FileId, long DeletionTime) Enqueues a file for deletion
XxxErrCode	ForceFlush () Deletes all files in the queue, regardless of when they should be deleted
XxxErrCode	GarbageCollect () Deletes all files in the queue which have expired
static long	GetTimeFromNow (long Delay) Gets the time from now, adding the specified number of milliseconds
	ShoreFileDeletionQueue () Constructor long DeleteTime The time after which the entry may be deleted (in milliseconds since Jan 1, 1970) XxxShoreVolumeId VolId The volume ID to be deleted XxxShoreObjectId FileId The file ID to be deleted QueueEntry* NextEntry The next queue entry (NULL if none) QueueEntry* PrevEntry The previous queue entry (NULL if none) QueueEntry (XxxShoreVolumeId VolumeId, XxxShoreObjectId LocalId, long DeletionTime, QueueEntry *Next, QueueEntry *Prev) Default Constructor

Protected Fields

QueueEntry*	Entries The queue of items
XxxBaseMutex	Latch A latch to protect access to the queue

ShoreFileDeletionQueue()

Constructor

long DeleteTime

The time after which the entry may be deleted (in milliseconds since Jan 1, 1970)

XxxShoreVolumeId VolId

The volume ID to be deleted

XxxShoreObjectId FileId

The file ID to be deleted

QueueEntry* NextEntry

The next queue entry (NULL if none)

QueueEntry* PrevEntry

The previous queue entry (NULL if none)

QueueEntry(XxxShoreVolumeId VolumeId, XxxShoreObjectId LocalId, long DeletionTime, QueueEntry *Next, QueueEntry *Prev)

Default Constructor

static long GetTimeFromNow(long Delay)

Gets the time from now, adding the specified number of milliseconds

XxxErrCode EnqueueFile(XxxShoreVolumeId VolId, XxxShoreObjectId FileId, long DeletionTime)

Enqueues a file for deletion

XxxErrCode GarbageCollect()

Deletes all files in the queue which have expired

XxxErrCode ForceFlush()

Deletes all files in the queue, regardless of when they should be deleted

QueueEntry* Entries

The queue of items

XxxBaseMutex Latch

A latch to protect access to the queue

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