1//  Copyright (c) 2014 Couchbase, Inc.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// 		http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package search
16
17import (
18	"encoding/json"
19	"fmt"
20)
21
22type Explanation struct {
23	Value    float64        `json:"value"`
24	Message  string         `json:"message"`
25	Children []*Explanation `json:"children,omitempty"`
26}
27
28func (expl *Explanation) String() string {
29	js, err := json.MarshalIndent(expl, "", "  ")
30	if err != nil {
31		return fmt.Sprintf("error serializing explanation to json: %v", err)
32	}
33	return string(js)
34}
35