31 lines
911 B
Go
31 lines
911 B
Go
// Package state holds the interface that any state implementation for
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// IPFS Cluster must satisfy.
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package state
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// State represents the shared state of the cluster and it
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import (
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"io"
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cid "github.com/ipfs/go-cid"
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"github.com/ipfs/ipfs-cluster/api"
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)
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// State is used by the Consensus component to keep track of
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// objects which objects are pinned. This component should be thread safe.
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type State interface {
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// Add adds a pin to the State
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Add(api.Pin) error
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// Rm removes a pin from the State
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Rm(*cid.Cid) error
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// List lists all the pins in the state
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List() []api.Pin
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// Has returns true if the state is holding information for a Cid
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Has(*cid.Cid) bool
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// Get returns the information attacthed to this pin
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Get(*cid.Cid) api.Pin
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// Snapshot writes a snapshot of the state to a writer
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Snapshot(w io.Writer) error
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// Restore restores a snapshot from a reader
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Restore(r io.Reader) error
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}
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