You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
71 lines
1.7 KiB
71 lines
1.7 KiB
5 years ago
|
/*
|
||
|
|
* Minio Cloud Storage, (C) 2019 Minio, Inc.
|
||
|
|
*
|
||
|
|
* 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 parquet
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"strings"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Record - ordered parquet record.
|
||
|
|
type Record struct {
|
||
|
|
nameList []string
|
||
|
|
nameValueMap map[string]Value
|
||
|
|
}
|
||
|
|
|
||
|
|
// String - returns string representation of this record.
|
||
|
|
func (r *Record) String() string {
|
||
|
|
values := []string{}
|
||
|
|
r.Range(func(name string, value Value) bool {
|
||
|
|
values = append(values, fmt.Sprintf("%v:%v", name, value))
|
||
|
|
return true
|
||
|
|
})
|
||
|
|
|
||
|
|
return "map[" + strings.Join(values, " ") + "]"
|
||
|
|
}
|
||
|
|
|
||
|
|
func (r *Record) set(name string, value Value) {
|
||
|
|
r.nameValueMap[name] = value
|
||
|
|
}
|
||
|
|
|
||
|
|
// Get - returns Value of name.
|
||
|
|
func (r *Record) Get(name string) (Value, bool) {
|
||
|
|
value, ok := r.nameValueMap[name]
|
||
|
|
return value, ok
|
||
|
|
}
|
||
|
|
|
||
|
|
// Range - calls f sequentially for each name and value present in the record. If f returns false, range stops the iteration.
|
||
|
|
func (r *Record) Range(f func(name string, value Value) bool) {
|
||
|
|
for _, name := range r.nameList {
|
||
|
|
value, ok := r.nameValueMap[name]
|
||
|
|
if !ok {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
|
||
|
|
if !f(name, value) {
|
||
|
|
break
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func newRecord(nameList []string) *Record {
|
||
|
|
return &Record{
|
||
|
|
nameList: nameList,
|
||
|
|
nameValueMap: make(map[string]Value),
|
||
|
|
}
|
||
|
|
}
|