gods/trees/redblacktree/serialization.go
2017-03-06 04:18:23 +01:00

40 lines
1.0 KiB
Go

// Copyright (c) 2015, Emir Pasic. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package redblacktree
import (
"encoding/json"
"github.com/emirpasic/gods/containers"
"github.com/emirpasic/gods/utils"
)
func assertSerializationImplementation() {
var _ containers.JSONSerializer = (*Tree)(nil)
var _ containers.JSONDeserializer = (*Tree)(nil)
}
// ToJSON outputs the JSON representation of list's elements.
func (tree *Tree) ToJSON() ([]byte, error) {
elements := make(map[string]interface{})
it := tree.Iterator()
for it.Next() {
elements[utils.ToString(it.Key())] = it.Value()
}
return json.Marshal(&elements)
}
// FromJSON populates list's elements from the input JSON representation.
func (tree *Tree) FromJSON(data []byte) error {
elements := make(map[string]interface{})
err := json.Unmarshal(data, &elements)
if err == nil {
tree.Clear()
for key, value := range elements {
tree.Put(key, value)
}
}
return err
}