mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-04 04:49:08 +08:00
97 lines
3.8 KiB
Go
97 lines
3.8 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 msgstream
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import (
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"errors"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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)
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// UnmarshalFunc is an interface that has been implemented by each Msg
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type UnmarshalFunc func(interface{}) (TsMsg, error)
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// UnmarshalDispatcher is an interface contains method Unmarshal
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type UnmarshalDispatcher interface {
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Unmarshal(input interface{}, msgType commonpb.MsgType) (TsMsg, error)
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}
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// UnmarshalDispatcherFactory is a factory to generate an object which implement interface UnmarshalDispatcher
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type UnmarshalDispatcherFactory interface {
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NewUnmarshalDispatcher() *UnmarshalDispatcher
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}
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// ProtoUnmarshalDispatcher is Unmarshal Dispatcher which used for data of proto type
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type ProtoUnmarshalDispatcher struct {
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TempMap map[commonpb.MsgType]UnmarshalFunc
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}
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// Unmarshal will forward unmarshal request to msg type specified unmarshal function
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func (p *ProtoUnmarshalDispatcher) Unmarshal(input interface{}, msgType commonpb.MsgType) (TsMsg, error) {
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unmarshalFunc, ok := p.TempMap[msgType]
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if !ok {
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return nil, errors.New("not set unmarshalFunc for this messageType")
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}
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return unmarshalFunc(input)
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}
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// ProtoUDFactory is a factory to generate ProtoUnmarshalDispatcher object
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type ProtoUDFactory struct{}
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// NewUnmarshalDispatcher returns an new UnmarshalDispatcher
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func (pudf *ProtoUDFactory) NewUnmarshalDispatcher() *ProtoUnmarshalDispatcher {
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insertMsg := InsertMsg{}
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deleteMsg := DeleteMsg{}
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searchMsg := SearchMsg{}
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searchResultMsg := SearchResultMsg{}
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retrieveMsg := RetrieveMsg{}
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retrieveResultMsg := RetrieveResultMsg{}
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timeTickMsg := TimeTickMsg{}
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createCollectionMsg := CreateCollectionMsg{}
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dropCollectionMsg := DropCollectionMsg{}
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createPartitionMsg := CreatePartitionMsg{}
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dropPartitionMsg := DropPartitionMsg{}
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queryNodeSegStatsMsg := QueryNodeStatsMsg{}
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segmentStatisticsMsg := SegmentStatisticsMsg{}
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loadBalanceSegmentsMsg := LoadBalanceSegmentsMsg{}
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dataNodeTtMsg := DataNodeTtMsg{}
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p := &ProtoUnmarshalDispatcher{}
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p.TempMap = make(map[commonpb.MsgType]UnmarshalFunc)
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p.TempMap[commonpb.MsgType_Insert] = insertMsg.Unmarshal
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p.TempMap[commonpb.MsgType_Delete] = deleteMsg.Unmarshal
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p.TempMap[commonpb.MsgType_Search] = searchMsg.Unmarshal
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p.TempMap[commonpb.MsgType_SearchResult] = searchResultMsg.Unmarshal
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p.TempMap[commonpb.MsgType_Retrieve] = retrieveMsg.Unmarshal
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p.TempMap[commonpb.MsgType_RetrieveResult] = retrieveResultMsg.Unmarshal
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p.TempMap[commonpb.MsgType_TimeTick] = timeTickMsg.Unmarshal
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p.TempMap[commonpb.MsgType_QueryNodeStats] = queryNodeSegStatsMsg.Unmarshal
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p.TempMap[commonpb.MsgType_CreateCollection] = createCollectionMsg.Unmarshal
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p.TempMap[commonpb.MsgType_DropCollection] = dropCollectionMsg.Unmarshal
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p.TempMap[commonpb.MsgType_CreatePartition] = createPartitionMsg.Unmarshal
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p.TempMap[commonpb.MsgType_DropPartition] = dropPartitionMsg.Unmarshal
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p.TempMap[commonpb.MsgType_SegmentStatistics] = segmentStatisticsMsg.Unmarshal
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p.TempMap[commonpb.MsgType_LoadBalanceSegments] = loadBalanceSegmentsMsg.Unmarshal
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p.TempMap[commonpb.MsgType_DataNodeTt] = dataNodeTtMsg.Unmarshal
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return p
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}
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// MemUnmarshalDispatcher ant its factory
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//type MemUDFactory struct {
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//
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//}
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//func (mudf *MemUDFactory) NewUnmarshalDispatcher() *UnmarshalDispatcher {
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//
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//}
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