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retry_util.go
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/
retry_util.go
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// 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 api
import (
"go.temporal.io/api/serviceerror"
"go.temporal.io/server/common"
"go.temporal.io/server/common/persistence"
"go.temporal.io/server/common/persistence/versionhistory"
"go.temporal.io/server/service/history/consts"
"go.temporal.io/server/service/history/workflow"
)
func IsRetryableError(err error) bool {
return err == consts.ErrStaleState ||
err == consts.ErrLocateCurrentWorkflowExecution ||
err == consts.ErrBufferedQueryCleared ||
persistence.IsConflictErr(err) ||
common.IsServiceHandlerRetryableError(err)
}
func IsHistoryEventOnCurrentBranch(
mutableState workflow.MutableState,
eventID int64,
eventVersion int64,
) (bool, error) {
if eventVersion == 0 {
if eventID >= mutableState.GetNextEventID() {
return false, &serviceerror.NotFound{Message: "History event not found"}
}
// there's no version, assume the event is on the current branch
return true, nil
}
versionHistoryies := mutableState.GetExecutionInfo().GetVersionHistories()
versionHistoryItem := versionhistory.NewVersionHistoryItem(eventID, eventVersion)
if _, err := versionhistory.FindFirstVersionHistoryIndexByVersionHistoryItem(
versionHistoryies,
versionHistoryItem,
); err != nil {
return false, &serviceerror.NotFound{Message: "History event not found"}
}
// check if on current branch
currentVersionHistory, err := versionhistory.GetCurrentVersionHistory(versionHistoryies)
if err != nil {
return false, err
}
return versionhistory.ContainsVersionHistoryItem(
currentVersionHistory,
versionHistoryItem,
), nil
}