mirror of
https://github.com/hanzoai/tasks.git
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Stephan BehnkeandGitHub
4d41efecb0
## What changed? <!-- Describe what has changed in this PR --> Renamed `api.WorkflowContext` to `api.WorkflowLease`. ## Why? The name is confusing as there is already a `workflow.Context`. It keeps coming up for me and makes it unnecessarily harder to read/understand the code. The current name also doesn't _add_ anything but the entity _is_ different from `workflow.Context`. I believe it effectively acts as a "lease". If that one doesn't work, I'm happy to find a better name than that together. ## How did you test it? Compiler. ## Potential risks N/A ## Is hotfix candidate? No
89 lines
2.9 KiB
Go
89 lines
2.9 KiB
Go
// The MIT License
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//
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// Copyright (c) 2020 Temporal Technologies Inc. All rights reserved.
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//
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// Copyright (c) 2020 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package isworkflowtaskvalid
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import (
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"context"
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"go.temporal.io/server/api/historyservice/v1"
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"go.temporal.io/server/common"
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"go.temporal.io/server/common/definition"
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"go.temporal.io/server/service/history/api"
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"go.temporal.io/server/service/history/consts"
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"go.temporal.io/server/service/history/shard"
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)
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func Invoke(
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ctx context.Context,
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req *historyservice.IsWorkflowTaskValidRequest,
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shardContext shard.Context,
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workflowConsistencyChecker api.WorkflowConsistencyChecker,
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) (resp *historyservice.IsWorkflowTaskValidResponse, retError error) {
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isValid := false
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err := api.GetAndUpdateWorkflowWithNew(
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ctx,
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req.Clock,
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api.BypassMutableStateConsistencyPredicate,
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definition.NewWorkflowKey(
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req.NamespaceId,
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req.Execution.WorkflowId,
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req.Execution.RunId,
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),
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func(workflowLease api.WorkflowLease) (*api.UpdateWorkflowAction, error) {
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isTaskValid, err := isWorkflowTaskValid(workflowLease, req.ScheduledEventId)
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if err != nil {
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return nil, err
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}
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isValid = isTaskValid
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return &api.UpdateWorkflowAction{
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Noop: true,
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CreateWorkflowTask: false,
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}, nil
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},
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nil,
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shardContext,
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workflowConsistencyChecker,
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)
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return &historyservice.IsWorkflowTaskValidResponse{
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IsValid: isValid,
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}, err
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}
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func isWorkflowTaskValid(
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workflowLease api.WorkflowLease,
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scheduledEventID int64,
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) (bool, error) {
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mutableState := workflowLease.GetMutableState()
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if !mutableState.IsWorkflowExecutionRunning() {
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return false, consts.ErrWorkflowCompleted
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}
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workflowTask := mutableState.GetWorkflowTaskByID(scheduledEventID)
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if workflowTask == nil {
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return false, nil
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}
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return workflowTask.StartedEventID == common.EmptyEventID, nil
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}
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