mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-01 11:29:48 +08:00
96 lines
2.6 KiB
Go
96 lines
2.6 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 datanode
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import (
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/msgstream"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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"github.com/milvus-io/milvus/internal/util/flowgraph"
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)
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type ddNode struct {
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BaseNode
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}
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func (ddn *ddNode) Name() string {
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return "ddNode"
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}
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func (ddn *ddNode) Operate(in []flowgraph.Msg) []flowgraph.Msg {
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if len(in) != 1 {
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log.Error("Invalid operate message input in ddNode", zap.Int("input length", len(in)))
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// TODO: add error handling
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}
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if len(in) == 0 {
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return []flowgraph.Msg{}
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}
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msMsg, ok := in[0].(*MsgStreamMsg)
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if !ok {
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log.Error("type assertion failed for MsgStreamMsg")
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// TODO: add error handling
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}
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if msMsg == nil {
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return []Msg{}
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}
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var iMsg = insertMsg{
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insertMessages: make([]*msgstream.InsertMsg, 0),
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timeRange: TimeRange{
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timestampMin: msMsg.TimestampMin(),
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timestampMax: msMsg.TimestampMax(),
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},
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startPositions: make([]*internalpb.MsgPosition, 0),
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endPositions: make([]*internalpb.MsgPosition, 0),
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}
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for _, msg := range msMsg.TsMessages() {
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switch msg.Type() {
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case commonpb.MsgType_DropCollection:
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// TODO distroy dataSyncService and nodify datanode
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log.Error("Distorying current flowgraph")
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case commonpb.MsgType_Insert:
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resMsg := ddn.filterFlushedSegmentInsertMessages(msg.(*msgstream.InsertMsg))
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if resMsg != nil {
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iMsg.insertMessages = append(iMsg.insertMessages, resMsg)
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}
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}
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}
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iMsg.startPositions = append(iMsg.startPositions, msMsg.StartPositions()...)
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iMsg.endPositions = append(iMsg.endPositions, msMsg.EndPositions()...)
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var res Msg = &iMsg
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return []Msg{res}
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}
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func (ddn *ddNode) filterFlushedSegmentInsertMessages(msg *msgstream.InsertMsg) *msgstream.InsertMsg {
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// TODO fileter insert messages of flushed segments
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return msg
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}
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func newDDNode() *ddNode {
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baseNode := BaseNode{}
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baseNode.SetMaxParallelism(Params.FlowGraphMaxQueueLength)
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return &ddNode{
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BaseNode: baseNode,
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}
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}
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