milvus/internal/util/idalloc/mallocator.go

62 lines
1.6 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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 idalloc
import (
"context"
"time"
"github.com/milvus-io/milvus/internal/allocator"
)
type mAllocator struct {
allocator Allocator
}
func NewMAllocator(allocator Allocator) allocator.Interface {
return &mAllocator{allocator: allocator}
}
func (m *mAllocator) Alloc(count uint32) (int64, int64, error) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
var (
start int64 = 0
end int64 = 0
)
for i := 0; i < int(count)+1; i++ {
id, err := m.allocator.Allocate(ctx)
if err != nil {
return 0, 0, err
}
if i == 0 {
start = int64(id)
}
if i == int(count) {
end = int64(id)
}
}
return start, end, nil
}
func (m *mAllocator) AllocOne() (int64, error) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
id, err := m.allocator.Allocate(ctx)
return int64(id), err
}