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69 lines
2.3 KiB
Go
69 lines
2.3 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 job
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import (
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"context"
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"github.com/milvus-io/milvus/internal/querycoordv2/meta"
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"github.com/milvus-io/milvus/internal/querycoordv2/observers"
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"github.com/milvus-io/milvus/internal/querycoordv2/session"
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)
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type UndoList struct {
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PartitionsLoaded bool // indicates if partitions loaded in QueryNodes during loading
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TargetUpdated bool // indicates if target updated during loading
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NewReplicaCreated bool // indicates if created new replicas during loading
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CollectionID int64
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LackPartitions []int64
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ctx context.Context
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meta *meta.Meta
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cluster session.Cluster
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targetMgr *meta.TargetManager
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targetObserver *observers.TargetObserver
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}
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func NewUndoList(ctx context.Context, meta *meta.Meta,
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cluster session.Cluster, targetMgr *meta.TargetManager, targetObserver *observers.TargetObserver) *UndoList {
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return &UndoList{
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ctx: ctx,
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meta: meta,
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cluster: cluster,
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targetMgr: targetMgr,
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targetObserver: targetObserver,
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}
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}
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func (u *UndoList) RollBack() {
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if u.PartitionsLoaded {
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releasePartitions(u.ctx, u.meta, u.cluster, true, u.CollectionID, u.LackPartitions...)
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}
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if u.TargetUpdated {
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if !u.meta.CollectionManager.Exist(u.CollectionID) {
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u.targetMgr.RemoveCollection(u.CollectionID)
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u.targetObserver.ReleaseCollection(u.CollectionID)
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} else {
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u.targetMgr.RemovePartition(u.CollectionID, u.LackPartitions...)
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}
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}
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if u.NewReplicaCreated {
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u.meta.ReplicaManager.RemoveCollection(u.CollectionID)
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}
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}
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