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71 lines
1.7 KiB
71 lines
1.7 KiB
4 years ago
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/*
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* Minio Cloud Storage, (C) 2019 Minio, Inc.
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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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*/
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package parquet
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import (
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"fmt"
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"strings"
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)
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// Record - ordered parquet record.
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type Record struct {
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nameList []string
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nameValueMap map[string]Value
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}
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// String - returns string representation of this record.
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func (r *Record) String() string {
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values := []string{}
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r.Range(func(name string, value Value) bool {
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values = append(values, fmt.Sprintf("%v:%v", name, value))
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return true
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})
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return "map[" + strings.Join(values, " ") + "]"
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}
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func (r *Record) set(name string, value Value) {
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r.nameValueMap[name] = value
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}
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// Get - returns Value of name.
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func (r *Record) Get(name string) (Value, bool) {
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value, ok := r.nameValueMap[name]
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return value, ok
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}
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// Range - calls f sequentially for each name and value present in the record. If f returns false, range stops the iteration.
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func (r *Record) Range(f func(name string, value Value) bool) {
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for _, name := range r.nameList {
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value, ok := r.nameValueMap[name]
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if !ok {
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continue
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}
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if !f(name, value) {
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break
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}
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}
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}
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func newRecord(nameList []string) *Record {
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return &Record{
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nameList: nameList,
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nameValueMap: make(map[string]Value),
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}
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}
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