-
Notifications
You must be signed in to change notification settings - Fork 1
/
register_node.go
78 lines (65 loc) · 2.01 KB
/
register_node.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
// Copyright 2021, athena-crdt authors.
//
// 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 defs
import (
"github.com/pkg/errors"
)
type RegisterNode struct {
*baseNode
value interface{}
}
// NewRegisterNode returns a Node of type RegisterNode with given id and value.
func NewRegisterNode(id NodeId, value interface{}) *RegisterNode {
return &RegisterNode{
baseNode: &baseNode{
id: id,
tombstone: false,
children: nil,
listIndex: -1,
},
value: value,
}
}
// SetValue assigns the current node with the given value.
func (r *RegisterNode) SetValue(val interface{}) {
r.value = val
}
// Value returns the current RegisterNode value.
func (r *RegisterNode) Value() interface{} {
return r.value
}
// FetchChild override. RegisterNode is always a leaf node.
func (r *RegisterNode) FetchChild([]NodeId) (Node, error) {
return nil, errors.New("RegisterNode doesn't have a children set")
}
// Child returns a nil object, as RegisterNode itself is a leaf node.
func (r *RegisterNode) Children() Children {
return nil
}
// DeepClone and Clone does the same thing here
func (r *RegisterNode) Clone() (Node, error) {
return NewRegisterNode(r.id, r.value), nil
}
func (r *RegisterNode) DeepClone() (Node, error) {
return r.Clone()
}
func (r *RegisterNode) Serialize() ([]byte, error) {
panic("implement me")
}
func (r *RegisterNode) Deserialize(bytes []byte) error {
panic("implement me")
}
func (r *RegisterNode) Delete(NodeId) error {
return errors.New("Delete is not a property of RegisterNode")
}