/
partition_fsmop_multipart.go
51 lines (46 loc) · 1.51 KB
/
partition_fsmop_multipart.go
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// Copyright 2018 The Chubao Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License.
package metanode
import "github.com/chubaofs/chubaofs/proto"
func (mp *metaPartition) fsmCreateMultipart(multipart *Multipart) (status uint8) {
_, ok := mp.multipartTree.ReplaceOrInsert(multipart, false)
if !ok {
return proto.OpExistErr
}
return proto.OpOk
}
func (mp *metaPartition) fsmRemoveMultipart(multipart *Multipart) (status uint8) {
deletedItem := mp.multipartTree.Delete(multipart)
if deletedItem == nil {
return proto.OpNotExistErr
}
return proto.OpOk
}
func (mp *metaPartition) fsmAppendMultipart(multipart *Multipart) (status uint8) {
storedItem := mp.multipartTree.CopyGet(multipart)
if storedItem == nil {
return proto.OpNotExistErr
}
storedMultipart, is := storedItem.(*Multipart)
if !is {
return proto.OpNotExistErr
}
for _, part := range multipart.Parts() {
actual, stored := storedMultipart.LoadOrStorePart(part)
if !stored && !actual.Equal(part) {
return proto.OpExistErr
}
}
return proto.OpOk
}