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fs: Added new optional interfaces SetTierer, GetTierer and ListTierer, these are to

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perform object tier changes on supported remotes
This commit is contained in:
sandeepkru 2018-09-10 18:53:32 -07:00 committed by Nick Craig-Wood
parent 233507bfe0
commit 5716a58413
1 changed files with 26 additions and 0 deletions
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26
fs/fs.go
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@ -328,6 +328,25 @@ type ObjectUnWrapper interface {
UnWrap() Object UnWrap() Object
} }
// SetTierer is an optional interface for Object
type SetTierer interface {
// SetTier performs changing storage tier of the Object if
// multiple storage classes supported
SetTier(tier string) error
}
// GetTierer is an optional interface for Object
type GetTierer interface {
// GetTier returns storage tier or class of the Object
GetTier() string
}
// ListTierer is an optional interface for Object
type ListTierer interface {
// ListTiers returns list of supported storage tiers
ListTiers() []string
}
// ListRCallback defines a callback function for ListR to use // ListRCallback defines a callback function for ListR to use
// //
// It is called for each tranche of entries read from the listing and // It is called for each tranche of entries read from the listing and
@ -365,6 +384,9 @@ type Features struct {
WriteMimeType bool // can set the mime type of objects WriteMimeType bool // can set the mime type of objects
CanHaveEmptyDirectories bool // can have empty directories CanHaveEmptyDirectories bool // can have empty directories
BucketBased bool // is bucket based (like s3, swift etc) BucketBased bool // is bucket based (like s3, swift etc)
SetTier bool // allows set tier functionality on objects
GetTier bool // allows to retrieve storage tier of objects
ListTiers bool // allows to list supported tiers on objects
// Purge all files in the root and the root directory // Purge all files in the root and the root directory
// //
@ -583,6 +605,10 @@ func (ft *Features) Mask(f Fs) *Features {
ft.WriteMimeType = ft.WriteMimeType && mask.WriteMimeType ft.WriteMimeType = ft.WriteMimeType && mask.WriteMimeType
ft.CanHaveEmptyDirectories = ft.CanHaveEmptyDirectories && mask.CanHaveEmptyDirectories ft.CanHaveEmptyDirectories = ft.CanHaveEmptyDirectories && mask.CanHaveEmptyDirectories
ft.BucketBased = ft.BucketBased && mask.BucketBased ft.BucketBased = ft.BucketBased && mask.BucketBased
ft.SetTier = ft.SetTier && mask.SetTier
ft.GetTier = ft.GetTier && mask.GetTier
ft.ListTiers = ft.ListTiers && mask.ListTiers
if mask.Purge == nil { if mask.Purge == nil {
ft.Purge = nil ft.Purge = nil
} }