surrealpatch/util/keys/trail.go
Tobie Morgan Hitchcock f0fde5ef16 Add keys
2016-06-16 13:33:28 +01:00

59 lines
1.4 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 keys
import (
"fmt"
"time"
)
// Trail ...
type Trail struct {
KV interface{}
NS interface{}
DB interface{}
TB interface{}
TK interface{}
AT time.Time
}
// init initialises the key
func (k *Trail) init() *Trail {
// k.TK = "¤"
k.TK = "*"
k.TB = "history"
if k.AT.IsZero() {
k.AT = time.Now()
}
return k
}
// Encode encodes the key into binary
func (k *Trail) Encode() []byte {
k.init()
return encode(k.KV, k.NS, k.DB, k.TB, k.TK, k.AT)
}
// Decode decodes the key from binary
func (k *Trail) Decode(data []byte) {
k.init()
decode(data, &k.KV, &k.NS, &k.DB, &k.TB, &k.TK, &k.AT)
}
// String returns a string representation of the key
func (k *Trail) String() string {
k.init()
return fmt.Sprintf("/%s/%s/%s/%s/%s/%s/%s/%s", k.KV, k.NS, k.DB, k.TB, k.TK, k.AT.Format(time.RFC3339Nano))
}