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23 lines
717 B
Go
23 lines
717 B
Go
package storage
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import (
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"github.com/pingcap-incubator/tinykv/kv/util/engine_util"
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"github.com/pingcap-incubator/tinykv/proto/pkg/kvrpcpb"
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)
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// Storage represents the internal-facing server part of TinyKV, it handles sending and receiving from other
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// TinyKV nodes. As part of that responsibility, it also reads and writes data to disk (or semi-permanent memory).
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type Storage interface {
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Start() error
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Stop() error
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Write(ctx *kvrpcpb.Context, batch []Modify) error
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Reader(ctx *kvrpcpb.Context) (StorageReader, error)
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}
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type StorageReader interface {
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// When the key doesn't exist, return nil for the value
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GetCF(cf string, key []byte) ([]byte, error)
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IterCF(cf string) engine_util.DBIterator
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Close()
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}
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