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61 lines
2.4 KiB
Go
61 lines
2.4 KiB
Go
package msgstream
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import (
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"github.com/zilliztech/milvus-distributed/internal/errors"
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"github.com/zilliztech/milvus-distributed/internal/proto/commonpb"
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)
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type MarshalFunc func(TsMsg) ([]byte, error)
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type UnmarshalFunc func([]byte) (TsMsg, error)
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type UnmarshalDispatcher struct {
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tempMap map[commonpb.MsgType]UnmarshalFunc
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}
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func (dispatcher *UnmarshalDispatcher) Unmarshal(input []byte, msgType commonpb.MsgType) (TsMsg, error) {
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unmarshalFunc, ok := dispatcher.tempMap[msgType]
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if !ok {
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return nil, errors.New(string("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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func (dispatcher *UnmarshalDispatcher) AddMsgTemplate(msgType commonpb.MsgType, unmarshal UnmarshalFunc) {
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dispatcher.tempMap[msgType] = unmarshal
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}
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func (dispatcher *UnmarshalDispatcher) addDefaultMsgTemplates() {
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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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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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loadIndexMsg := LoadIndexMsg{}
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flushMsg := FlushMsg{}
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queryNodeSegStatsMsg := QueryNodeStatsMsg{}
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dispatcher.tempMap = make(map[commonpb.MsgType]UnmarshalFunc)
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dispatcher.tempMap[commonpb.MsgType_kInsert] = insertMsg.Unmarshal
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dispatcher.tempMap[commonpb.MsgType_kDelete] = deleteMsg.Unmarshal
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dispatcher.tempMap[commonpb.MsgType_kSearch] = searchMsg.Unmarshal
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dispatcher.tempMap[commonpb.MsgType_kSearchResult] = searchResultMsg.Unmarshal
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dispatcher.tempMap[commonpb.MsgType_kTimeTick] = timeTickMsg.Unmarshal
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dispatcher.tempMap[commonpb.MsgType_kQueryNodeStats] = queryNodeSegStatsMsg.Unmarshal
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dispatcher.tempMap[commonpb.MsgType_kCreateCollection] = createCollectionMsg.Unmarshal
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dispatcher.tempMap[commonpb.MsgType_kDropCollection] = dropCollectionMsg.Unmarshal
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dispatcher.tempMap[commonpb.MsgType_kCreatePartition] = createPartitionMsg.Unmarshal
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dispatcher.tempMap[commonpb.MsgType_kDropPartition] = dropPartitionMsg.Unmarshal
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dispatcher.tempMap[commonpb.MsgType_kLoadIndex] = loadIndexMsg.Unmarshal
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dispatcher.tempMap[commonpb.MsgType_kFlush] = flushMsg.Unmarshal
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}
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func NewUnmarshalDispatcher() *UnmarshalDispatcher {
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unmarshalDispatcher := UnmarshalDispatcher{}
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unmarshalDispatcher.addDefaultMsgTemplates()
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return &unmarshalDispatcher
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}
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