77 lines
2.2 KiB
Go
77 lines
2.2 KiB
Go
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// Copyright © 2016 Abcum Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package kv
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// Txn is a distributed database transaction.
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type Txn struct{}
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// Get retrieves a single key:value item.
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func (t *Txn) Get(key interface{}) (*KV, error) {
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return nil, nil
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}
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// MGet retrieves multiple key:value items.
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func (t *Txn) MGet(keys ...interface{}) ([]*KV, error) {
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return nil, nil
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}
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// RGet retrieves the range of rows between `beg` (inclusive) and `end`
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// (exclusive). To return the range in descending order, ensure that `end`
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// sorts lower than `beg` in the key value store.
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func (t *Txn) RGet(beg, end interface{}, max int64) ([]*KV, error) {
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return nil, nil
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}
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// Put sets the value for a key.
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func (t *Txn) Put(key, val interface{}) (*KV, error) {
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return nil, nil
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}
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// CPut conditionally sets the value for a key if the existing value is equal
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// to the expected value. To conditionally set a value only if there is no
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// existing entry pass nil for the expected value.
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func (t *Txn) CPut(key, val, exp interface{}) (*KV, error) {
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return nil, nil
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}
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// Del deletes a single key:value item.
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func (t *Txn) Del(key interface{}) (*KV, error) {
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return nil, nil
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}
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// CDel conditionally deletes a key if the existing value is equal to the
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// expected value.
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func (t *Txn) CDel(key, exp interface{}) (*KV, error) {
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return nil, nil
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}
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// MDel deletes multiple key:value items.
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func (t *Txn) MDel(keys ...interface{}) ([]*KV, error) {
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return nil, nil
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}
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// RDel deletes the rows between begin (inclusive) and end (exclusive).
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func (t *Txn) RDel(beg, end interface{}, max int64) ([]*KV, error) {
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return nil, nil
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}
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func (t *Txn) Commit(key interface{}) (*KV, error) {
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return nil, nil
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}
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func (t *Txn) Rollback(key interface{}) (*KV, error) {
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return nil, nil
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}
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