8361b8afe4
Added import, export, cleanup. Changed state interface. New sharness tests. License: MIT Signed-off-by: Wyatt Daviau <wdaviau@cs.stanford.edu>
35 lines
1.1 KiB
Go
35 lines
1.1 KiB
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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// Migrate restores the serialized format of an outdated state to the current version
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Migrate(r io.Reader) error
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// Return the version of this state
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GetVersion() int
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// Marshal serializes the state to a byte slice
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Marshal() ([]byte, error)
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// Unmarshal deserializes the state from marshaled bytes
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Unmarshal([]byte) error
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}
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