mirror of
https://gitee.com/milvus-io/milvus.git
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128 lines
5.2 KiB
Go
128 lines
5.2 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 msgstream
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import (
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"github.com/cockroachdb/errors"
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"github.com/milvus-io/milvus-proto/go-api/v2/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 a 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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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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dataNodeTtMsg := DataNodeTtMsg{}
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createIndexMsg := CreateIndexMsg{}
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dropIndexMsg := DropIndexMsg{}
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alterIndexMsg := AlterIndexMsg{}
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loadCollectionMsg := LoadCollectionMsg{}
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releaseCollectionMsg := ReleaseCollectionMsg{}
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flushMsg := FlushMsg{}
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loadPartitionsMsg := LoadPartitionsMsg{}
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releasePartitionsMsg := ReleasePartitionsMsg{}
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createDatabaseMsg := CreateDatabaseMsg{}
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dropDatabaseMsg := DropDatabaseMsg{}
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alterDatabaseMsg := AlterDatabaseMsg{}
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createCredentialMsg := CreateUserMsg{}
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deleteCredentialMsg := DeleteUserMsg{}
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updateCredentialMsg := UpdateUserMsg{}
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createRoleMsg := CreateRoleMsg{}
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dropRoleMsg := DropRoleMsg{}
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operateUserRoleMsg := OperateUserRoleMsg{}
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operatePrivilegeMsg := OperatePrivilegeMsg{}
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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_TimeTick] = timeTickMsg.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_DataNodeTt] = dataNodeTtMsg.Unmarshal
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p.TempMap[commonpb.MsgType_CreateIndex] = createIndexMsg.Unmarshal
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p.TempMap[commonpb.MsgType_DropIndex] = dropIndexMsg.Unmarshal
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p.TempMap[commonpb.MsgType_AlterIndex] = alterIndexMsg.Unmarshal
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p.TempMap[commonpb.MsgType_LoadCollection] = loadCollectionMsg.Unmarshal
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p.TempMap[commonpb.MsgType_ReleaseCollection] = releaseCollectionMsg.Unmarshal
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p.TempMap[commonpb.MsgType_LoadPartitions] = loadPartitionsMsg.Unmarshal
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p.TempMap[commonpb.MsgType_ReleasePartitions] = releasePartitionsMsg.Unmarshal
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p.TempMap[commonpb.MsgType_Flush] = flushMsg.Unmarshal
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p.TempMap[commonpb.MsgType_CreateDatabase] = createDatabaseMsg.Unmarshal
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p.TempMap[commonpb.MsgType_DropDatabase] = dropDatabaseMsg.Unmarshal
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p.TempMap[commonpb.MsgType_AlterDatabase] = alterDatabaseMsg.Unmarshal
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p.TempMap[commonpb.MsgType_CreateCredential] = createCredentialMsg.Unmarshal
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p.TempMap[commonpb.MsgType_DeleteCredential] = deleteCredentialMsg.Unmarshal
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p.TempMap[commonpb.MsgType_UpdateCredential] = updateCredentialMsg.Unmarshal
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p.TempMap[commonpb.MsgType_CreateRole] = createRoleMsg.Unmarshal
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p.TempMap[commonpb.MsgType_DropRole] = dropRoleMsg.Unmarshal
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p.TempMap[commonpb.MsgType_OperateUserRole] = operateUserRoleMsg.Unmarshal
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p.TempMap[commonpb.MsgType_OperatePrivilege] = operatePrivilegeMsg.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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