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api.go
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api.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 terminateworkflow
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"
"go.temporal.io/server/service/history/workflow"
)
func Invoke(
ctx context.Context,
req *historyservice.TerminateWorkflowExecutionRequest,
shard shard.Context,
workflowConsistencyChecker api.WorkflowConsistencyChecker,
) (resp *historyservice.TerminateWorkflowExecutionResponse, retError error) {
namespaceEntry, err := api.GetActiveNamespace(shard, namespace.ID(req.GetNamespaceId()))
if err != nil {
return nil, err
}
namespaceID := namespaceEntry.ID()
request := req.TerminateRequest
parentExecution := req.ExternalWorkflowExecution
childWorkflowOnly := req.ChildWorkflowOnly
workflowID := request.WorkflowExecution.WorkflowId
runID := request.WorkflowExecution.RunId
firstExecutionRunID := request.FirstExecutionRunId
if len(request.FirstExecutionRunId) != 0 {
runID = ""
}
err = api.GetAndUpdateWorkflowWithNew(
ctx,
nil,
api.BypassMutableStateConsistencyPredicate,
definition.NewWorkflowKey(
namespaceID.String(),
workflowID,
runID,
),
func(workflowContext api.WorkflowContext) (*api.UpdateWorkflowAction, error) {
mutableState := workflowContext.GetMutableState()
if !mutableState.IsWorkflowExecutionRunning() {
return nil, consts.ErrWorkflowCompleted
}
// There is a workflow execution currently running with the WorkflowID.
// If user passed in a FirstExecutionRunID with the request to allow terminate to work across runs then
// let's compare the FirstExecutionRunID on the request to make sure we terminate the correct workflow
// execution.
executionInfo := mutableState.GetExecutionInfo()
if len(firstExecutionRunID) > 0 && executionInfo.FirstExecutionRunId != firstExecutionRunID {
return nil, consts.ErrWorkflowExecutionNotFound
}
if childWorkflowOnly {
if parentExecution.GetWorkflowId() != executionInfo.ParentWorkflowId ||
parentExecution.GetRunId() != executionInfo.ParentRunId {
return nil, consts.ErrWorkflowParent
}
}
return api.UpdateWorkflowWithoutWorkflowTask, workflow.TerminateWorkflow(
mutableState,
request.GetReason(),
request.GetDetails(),
request.GetIdentity(),
false,
)
},
nil,
shard,
workflowConsistencyChecker,
)
if err != nil {
return nil, err
}
return &historyservice.TerminateWorkflowExecutionResponse{}, nil
}