mirror of
https://gitee.com/milvus-io/milvus.git
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63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. 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 distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package storage
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import (
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"encoding/json"
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)
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type Int64Stats struct {
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Max int64 `json:"max"`
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Min int64 `json:"min"`
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}
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type StatsWriter struct {
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buffer []byte
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}
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func (sw *StatsWriter) GetBuffer() []byte {
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return sw.buffer
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}
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func (sw *StatsWriter) StatsInt64(msgs []int64) error {
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if len(msgs) < 1 {
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// return error: msgs must has one element at least
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return nil
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}
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stats := &Int64Stats{
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Max: msgs[len(msgs)-1],
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Min: msgs[0],
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}
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b, err := json.Marshal(stats)
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if err != nil {
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return err
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}
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sw.buffer = b
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return nil
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}
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type StatsReader struct {
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buffer []byte
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}
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func (sr *StatsReader) SetBuffer(buffer []byte) {
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sr.buffer = buffer
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}
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func (sr *StatsReader) GetInt64Stats() Int64Stats {
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stats := Int64Stats{}
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json.Unmarshal(sr.buffer, &stats)
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return stats
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}
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