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Refactor history branch manipulation logic into its own utility
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| // The MIT License | ||
| // | ||
| // Copyright (c) 2020 Temporal Technologies Inc. All rights reserved. | ||
| // | ||
| // Copyright (c) 2020 Uber Technologies, Inc. | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package persistence | ||
|
|
||
| import ( | ||
| enumspb "go.temporal.io/api/enums/v1" | ||
| persistencespb "go.temporal.io/server/api/persistence/v1" | ||
| "go.temporal.io/server/common/persistence/serialization" | ||
| "go.temporal.io/server/common/primitives" | ||
| ) | ||
|
|
||
| type ( | ||
| HistoryBranchUtil interface { | ||
| // NewHistoryBranchToken initializes a new history branch token | ||
| NewHistoryBranchToken(treeID string, branchID *string, ancestors []*persistencespb.HistoryBranchRange) ([]byte, error) | ||
| // ParseHistoryBranchInfo parses the history branch for branch information | ||
| ParseHistoryBranchInfo(branchToken []byte) (*persistencespb.HistoryBranch, error) | ||
| // UpdateHistoryBranchInfo updates the history branch with branch information | ||
| UpdateHistoryBranchInfo(branchToken []byte, branchInfo *persistencespb.HistoryBranch) ([]byte, error) | ||
| } | ||
|
|
||
| historyBranchUtilImpl struct { | ||
| } | ||
| ) | ||
|
|
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| // NewHistoryBranchUtil returns a history branch utility | ||
| func NewHistoryBranchUtil() HistoryBranchUtil { | ||
| return &historyBranchUtilImpl{} | ||
| } | ||
|
|
||
| func (u *historyBranchUtilImpl) NewHistoryBranchToken(treeID string, branchID *string, ancestors []*persistencespb.HistoryBranchRange) ([]byte, error) { | ||
| var id string | ||
| if branchID == nil { | ||
| id = primitives.NewUUID().String() | ||
| } else { | ||
| id = *branchID | ||
| } | ||
|
|
||
| bi := &persistencespb.HistoryBranch{ | ||
| TreeId: treeID, | ||
| BranchId: id, | ||
| Ancestors: ancestors, | ||
| } | ||
| data, err := serialization.HistoryBranchToBlob(bi) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return data.Data, nil | ||
| } | ||
|
|
||
| func (u *historyBranchUtilImpl) ParseHistoryBranchInfo(branchToken []byte) (*persistencespb.HistoryBranch, error) { | ||
| return serialization.HistoryBranchFromBlob(branchToken, enumspb.ENCODING_TYPE_PROTO3.String()) | ||
| } | ||
|
|
||
| func (u *historyBranchUtilImpl) UpdateHistoryBranchInfo(branchToken []byte, branchInfo *persistencespb.HistoryBranch) ([]byte, error) { | ||
| bi, err := serialization.HistoryBranchFromBlob(branchToken, enumspb.ENCODING_TYPE_PROTO3.String()) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| bi.TreeId = branchInfo.TreeId | ||
| bi.BranchId = branchInfo.BranchId | ||
| bi.Ancestors = branchInfo.Ancestors | ||
|
|
||
| blob, err := serialization.HistoryBranchToBlob(bi) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return blob.Data, nil | ||
| } |
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