mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-05 05:18:52 +08:00
43 lines
1.7 KiB
Go
43 lines
1.7 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
|
|
//
|
|
// 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 datanode
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/milvus-io/milvus/internal/log"
|
|
"github.com/milvus-io/milvus/internal/msgstream"
|
|
"github.com/milvus-io/milvus/internal/proto/internalpb"
|
|
"github.com/milvus-io/milvus/internal/util/flowgraph"
|
|
)
|
|
|
|
func newDmInputNode(ctx context.Context, factory msgstream.Factory, pchannelName string, seekPos *internalpb.MsgPosition) *flowgraph.InputNode {
|
|
maxQueueLength := Params.FlowGraphMaxQueueLength
|
|
maxParallelism := Params.FlowGraphMaxParallelism
|
|
consumeSubName := Params.MsgChannelSubName
|
|
insertStream, _ := factory.NewTtMsgStream(ctx)
|
|
|
|
insertStream.AsConsumer([]string{pchannelName}, consumeSubName)
|
|
log.Debug("datanode AsConsumer physical channel: " + pchannelName + " : " + consumeSubName)
|
|
|
|
if seekPos != nil {
|
|
// ChannelName in seek position is virtual channel name.
|
|
seekPos.ChannelName = pchannelName
|
|
log.Debug("datanode Seek: " + seekPos.GetChannelName())
|
|
insertStream.Seek([]*internalpb.MsgPosition{seekPos})
|
|
}
|
|
|
|
var stream msgstream.MsgStream = insertStream
|
|
node := flowgraph.NewInputNode(&stream, "dmInputNode", maxQueueLength, maxParallelism)
|
|
return node
|
|
}
|