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82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "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
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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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package allocator
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import (
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"context"
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gAllocator "github.com/milvus-io/milvus/internal/allocator"
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"github.com/milvus-io/milvus/internal/types"
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"github.com/milvus-io/milvus/pkg/util/typeutil"
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)
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type UniqueID = typeutil.UniqueID
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type Allocator interface {
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Start() error
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Close()
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AllocOne() (UniqueID, error)
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Alloc(count uint32) (UniqueID, UniqueID, error)
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GetGenerator(count int, done <-chan struct{}) (<-chan UniqueID, error)
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GetIDAlloactor() *gAllocator.IDAllocator
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}
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var _ Allocator = (*Impl)(nil)
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type Impl struct {
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// Start() error
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// Close() error
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// AllocOne() (UniqueID, error)
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// Alloc(count uint32) (UniqueID, UniqueID, error)
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*gAllocator.IDAllocator
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}
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func New(ctx context.Context, rootCoord types.RootCoord, peerID UniqueID) (Allocator, error) {
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idAlloc, err := gAllocator.NewIDAllocator(ctx, rootCoord, peerID)
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if err != nil {
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return nil, err
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}
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return &Impl{idAlloc}, nil
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}
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func (a *Impl) GetIDAlloactor() *gAllocator.IDAllocator {
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return a.IDAllocator
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}
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func (a *Impl) GetGenerator(count int, done <-chan struct{}) (<-chan UniqueID, error) {
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idStart, _, err := a.Alloc(uint32(count))
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if err != nil {
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return nil, err
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}
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rt := make(chan UniqueID)
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go func(rt chan<- UniqueID) {
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for i := 0; i < count; i++ {
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select {
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case <-done:
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close(rt)
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return
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case rt <- idStart + UniqueID(i):
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}
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}
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close(rt)
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}(rt)
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return rt, nil
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}
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