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Move signal workflow to api package (#3348)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| // 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 signalworkflow | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "go.temporal.io/server/api/historyservice/v1" | ||
| "go.temporal.io/server/common/definition" | ||
| "go.temporal.io/server/common/namespace" | ||
| "go.temporal.io/server/service/history/api" | ||
| "go.temporal.io/server/service/history/consts" | ||
| "go.temporal.io/server/service/history/shard" | ||
| ) | ||
|
|
||
| func Invoke( | ||
| ctx context.Context, | ||
| req *historyservice.SignalWorkflowExecutionRequest, | ||
| shard shard.Context, | ||
| workflowConsistencyChecker api.WorkflowConsistencyChecker, | ||
| ) (resp *historyservice.SignalWorkflowExecutionResponse, retError error) { | ||
| namespaceEntry, err := api.GetActiveNamespace(shard, namespace.ID(req.GetNamespaceId())) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| namespaceID := namespaceEntry.ID() | ||
|
|
||
| request := req.SignalRequest | ||
| parentExecution := req.ExternalWorkflowExecution | ||
| childWorkflowOnly := req.GetChildWorkflowOnly() | ||
|
|
||
| err = api.GetAndUpdateWorkflowWithNew( | ||
| ctx, | ||
| nil, | ||
| api.BypassMutableStateConsistencyPredicate, | ||
| definition.NewWorkflowKey( | ||
| namespaceID.String(), | ||
| request.WorkflowExecution.WorkflowId, | ||
| request.WorkflowExecution.RunId, | ||
| ), | ||
| func(workflowContext api.WorkflowContext) (*api.UpdateWorkflowAction, error) { | ||
| mutableState := workflowContext.GetMutableState() | ||
| if request.GetRequestId() != "" && mutableState.IsSignalRequested(request.GetRequestId()) { | ||
| return &api.UpdateWorkflowAction{ | ||
| Noop: true, | ||
| CreateWorkflowTask: false, | ||
| }, nil | ||
| } | ||
|
|
||
| if !mutableState.IsWorkflowExecutionRunning() { | ||
| return nil, consts.ErrWorkflowCompleted | ||
| } | ||
|
|
||
| executionInfo := mutableState.GetExecutionInfo() | ||
| createWorkflowTask := true | ||
| if mutableState.IsWorkflowPendingOnWorkflowTaskBackoff() { | ||
| // Do not create workflow task when the workflow has first workflow task backoff and execution is not started yet | ||
| createWorkflowTask = false | ||
| } | ||
|
|
||
| if err := api.ValidateSignal( | ||
| ctx, | ||
| shard, | ||
| mutableState, | ||
| request.GetInput().Size(), | ||
| "SignalWorkflowExecution", | ||
| ); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| if childWorkflowOnly { | ||
| parentWorkflowID := executionInfo.ParentWorkflowId | ||
| parentRunID := executionInfo.ParentRunId | ||
| if parentExecution.GetWorkflowId() != parentWorkflowID || | ||
| parentExecution.GetRunId() != parentRunID { | ||
| return nil, consts.ErrWorkflowParent | ||
| } | ||
| } | ||
|
|
||
| if request.GetRequestId() != "" { | ||
| mutableState.AddSignalRequested(request.GetRequestId()) | ||
| } | ||
| if _, err := mutableState.AddWorkflowExecutionSignaled( | ||
| request.GetSignalName(), | ||
| request.GetInput(), | ||
| request.GetIdentity(), | ||
| request.GetHeader()); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &api.UpdateWorkflowAction{ | ||
| Noop: false, | ||
| CreateWorkflowTask: createWorkflowTask, | ||
| }, nil | ||
| }, | ||
| nil, | ||
| shard, | ||
| workflowConsistencyChecker, | ||
| ) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
| return &historyservice.SignalWorkflowExecutionResponse{}, nil | ||
| } |
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