mirror of
https://github.com/cubefs/cubefs.git
synced 2026-08-02 02:00:56 +00:00
49 lines
1.3 KiB
Go
49 lines
1.3 KiB
Go
// Copyright 2022 The CubeFS Authors.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
|
|
// implied. See the License for the specific language governing
|
|
// permissions and limitations under the License.
|
|
|
|
package kvstore
|
|
|
|
type KVStorage interface {
|
|
Put(kv KV) error
|
|
Get(key []byte) ([]byte, error)
|
|
Delete(key []byte) error
|
|
DeleteRange(start, end []byte) error
|
|
NewWriteBatch() *WriteBatch
|
|
DeleteBatch(keys [][]byte, safe bool) error
|
|
WriteBatch(kvs []KV, safe bool) error
|
|
DoBatch(batch *WriteBatch) error
|
|
Flush() error
|
|
NewSnapshot() *Snapshot
|
|
ReleaseSnapshot(snapshot *Snapshot)
|
|
NewIterator(snapshot *Snapshot, opts ...OpOption) Iterator
|
|
}
|
|
|
|
type Op struct {
|
|
// for put
|
|
PutKeys []KV
|
|
// for delete
|
|
DelKeys []KV
|
|
// for iterator
|
|
Ro *ReadOptions
|
|
Snap *Snapshot
|
|
}
|
|
|
|
type OpOption func(*Op)
|
|
|
|
func (op *Op) applyOpts(opts []OpOption) {
|
|
for _, opt := range opts {
|
|
opt(op)
|
|
}
|
|
}
|