seaweedfs/weed/storage/needle_map/needle_value_map.go

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package needle_map
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import (
. "github.com/chrislusf/seaweedfs/weed/storage/types"
)
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type NeedleValueMap interface {
Set(key NeedleId, offset Offset, size Size) (oldOffset Offset, oldSize Size)
Delete(key NeedleId) Size
Get(key NeedleId) (*NeedleValue, bool)
AscendingVisit(visit func(NeedleValue) error) error
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}