58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
// 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 keys
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import (
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"fmt"
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"strings"
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)
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// Edge ...
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type Edge struct {
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KV string // KV
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NS string // NS
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DB string // DB
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TB string // TB
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TK string // «»
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ID interface{} // ID
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Type string // Type
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FK interface{} // FK
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}
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// init initialises the key
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func (k *Edge) init() *Edge {
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if k.TK == "" {
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k.TK = "«»"
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}
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return k
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}
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// Encode encodes the key into binary
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func (k *Edge) Encode() []byte {
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k.init()
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return encode(k.KV, k.NS, k.DB, k.TB, k.TK, k.ID, k.Type, k.FK)
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}
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// Decode decodes the key from binary
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func (k *Edge) Decode(data []byte) {
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k.init()
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decode(data, &k.KV, &k.NS, &k.DB, &k.TB, &k.TK, &k.ID, &k.Type, &k.FK)
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}
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// String returns a string representation of the key
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func (k *Edge) String() string {
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k.init()
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return "/" + strings.Join([]string{k.KV, k.NS, k.DB, k.TB, k.TK, fmt.Sprintf("%v", k.ID), k.Type, fmt.Sprintf("%v", k.FK)}, "/")
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}
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