// NewPinner creates a new pinner using the given datastore as a backend
func NewPinner(dstore ds.Datastore, serv mdag.DAGService) Pinner {
// Load set from given datastore...
rcds := nsds.Wrap(dstore, recursePinDatastoreKey)
rcset := set.NewDBWrapperSet(rcds, set.NewSimpleBlockSet())
dirds := nsds.Wrap(dstore, directPinDatastoreKey)
dirset := set.NewDBWrapperSet(dirds, set.NewSimpleBlockSet())
nsdstore := nsds.Wrap(dstore, indirectPinDatastoreKey)
return &pinner{
recursePin: rcset,
directPin: dirset,
indirPin: NewIndirectPin(nsdstore),
dserv: serv,
dstore: dstore,
}
}
func NewIndirectPin(dstore ds.Datastore) *indirectPin {
return &indirectPin{
blockset: set.NewDBWrapperSet(dstore, set.NewSimpleBlockSet()),
refCounts: make(map[util.Key]int),
}
}