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base.go
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base.go
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// Copyright 2022-2023 Tigris Data, Inc.
//
// 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 kv
import (
"context"
"github.com/apple/foundationdb/bindings/go/src/fdb"
)
type Future = fdb.FutureByteSlice
type baseKeyValue struct {
Key Key
FDBKey []byte
Value []byte
}
type baseKV interface {
Insert(ctx context.Context, table []byte, key Key, data []byte) error
Replace(ctx context.Context, table []byte, key Key, data []byte, isUpdate bool) error
Delete(ctx context.Context, table []byte, key Key) error
Read(ctx context.Context, table []byte, key Key, isSnapshot bool, reverse bool) (baseIterator, error)
ReadRange(ctx context.Context, table []byte, lkey Key, rkey Key, isSnapshot bool, reverse bool) (baseIterator, error)
SetVersionstampedKey(_ context.Context, key []byte, value []byte) error
SetVersionstampedValue(ctx context.Context, key []byte, value []byte) error
Get(ctx context.Context, key []byte, isSnapshot bool) Future
AtomicAdd(ctx context.Context, table []byte, key Key, value int64) error
AtomicRead(ctx context.Context, table []byte, key Key) (int64, error)
AtomicReadRange(ctx context.Context, table []byte, lkey Key, rkey Key, isSnapshot bool) (AtomicIterator, error)
}
type baseIterator interface {
Next(*baseKeyValue) bool
Err() error
}
type baseTx interface {
baseKV
Commit(context.Context) error
Rollback(context.Context) error
IsRetriable() bool
}
type baseKVStore interface {
baseKV
BeginTx(ctx context.Context) (baseTx, error)
CreateTable(ctx context.Context, name []byte) error
DropTable(ctx context.Context, name []byte) error
TableSize(ctx context.Context, name []byte) (int64, error)
}