mirror of
https://gitee.com/milvus-io/milvus.git
synced 2026-01-06 10:52:56 +08:00
49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
// Copyright 2020 TiKV Project Authors.
|
|
//
|
|
// 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,
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package id
|
|
|
|
import (
|
|
"github.com/zilliztech/milvus-distributed/internal/master/tso"
|
|
)
|
|
|
|
|
|
// GlobalTSOAllocator is the global single point TSO allocator.
|
|
type GlobalIdAllocator struct {
|
|
allocator tso.Allocator
|
|
}
|
|
|
|
func NewGlobalIdAllocator() *GlobalIdAllocator {
|
|
return &GlobalIdAllocator{
|
|
allocator: tso.NewGlobalTSOAllocator("idTimestamp"),
|
|
}
|
|
}
|
|
|
|
// Initialize will initialize the created global TSO allocator.
|
|
func (gia *GlobalIdAllocator) Initialize() error {
|
|
return gia.allocator.Initialize()
|
|
}
|
|
|
|
// GenerateTSO is used to generate a given number of TSOs.
|
|
// Make sure you have initialized the TSO allocator before calling.
|
|
func (gia *GlobalIdAllocator) Generate(count uint32) (int64, int64, error) {
|
|
timestamp, err:= gia.allocator.GenerateTSO(count)
|
|
if err != nil{
|
|
return 0, 0, err
|
|
}
|
|
idStart := int64(timestamp)
|
|
idEnd := idStart + int64(count)
|
|
return idStart, idEnd, nil
|
|
}
|
|
|