07139fdc5b
The keys package is used to encode and decode keys. Keys are used for storage in the key:value store.
55 lines
1.3 KiB
Go
55 lines
1.3 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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"strings"
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)
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// Edge ...
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type Edge struct {
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KV string // Base
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NS string // Namespace
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DB string // Database
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TB string // Table
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TK string // «»
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ID string // ID
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Type string // Type
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Edge string // Edge
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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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return output(k.init())
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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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injest(k, data)
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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, k.ID, k.Type, k.Edge}, "/")
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}
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