surrealpatch/kvs/mysql/kv.go
2018-02-11 00:16:28 +00:00

42 lines
1.1 KiB
Go

// Copyright © 2016 Abcum Ltd
//
// 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 mysql
// KV represents a row stored in the database.
type KV struct {
ver uint64
key []byte
val []byte
}
// Exi returns whether this key-value item actually exists.
func (kv *KV) Exi() bool {
return kv.val != nil
}
// Key returns the key for the underlying key-value item.
func (kv *KV) Key() []byte {
return kv.key
}
// Val returns the value for the underlying key-value item.
func (kv *KV) Val() []byte {
return kv.val
}
// Ver returns the version for the underlying key-value item.
func (kv *KV) Ver() uint64 {
return kv.ver
}