Update client wrappers with new async APIs (cadence-workflow#1327)

Author: taylanisikdemir

client/client.go

@@ -104,6 +104,15 @@ type (
 		//	- InternalServiceError
 		StartWorkflow(ctx context.Context, options StartWorkflowOptions, workflowFunc interface{}, args ...interface{}) (*workflow.Execution, error)
 
+		// StartWorkflowAsync behaves like StartWorkflow except that the request is first queued and then processed asynchronously.
+		// See StartWorkflow for parameter details.
+		// The returned AsyncWorkflowExecution doesn't contain run ID, because the workflow hasn't started yet.
+		// The errors it can return:
+		//	- EntityNotExistsError, if domain does not exists
+		//	- BadRequestError
+		//	- InternalServiceError
+		StartWorkflowAsync(ctx context.Context, options StartWorkflowOptions, workflow interface{}, args ...interface{}) (*workflow.ExecutionAsync, error)
+
 		// ExecuteWorkflow starts a workflow execution and return a WorkflowRun instance and error
 		// The user can use this to start using a function or workflow type name.
 		// Either by
@@ -169,6 +178,15 @@ type (
 		SignalWithStartWorkflow(ctx context.Context, workflowID string, signalName string, signalArg interface{},
 			options StartWorkflowOptions, workflowFunc interface{}, workflowArgs ...interface{}) (*workflow.Execution, error)
 
+		// SignalWithStartWorkflowAsync behaves like SignalWithStartWorkflow except that the request is first queued and then processed asynchronously.
+		// See SignalWithStartWorkflow for parameter details.
+		// The errors it can return:
+		//  - EntityNotExistsError, if domain does not exist
+		//  - BadRequestError
+		//	- InternalServiceError
+		SignalWithStartWorkflowAsync(ctx context.Context, workflowID string, signalName string, signalArg interface{},
+			options StartWorkflowOptions, workflow interface{}, workflowArgs ...interface{}) (*workflow.ExecutionAsync, error)
+
 		// CancelWorkflow cancels a workflow in execution
 		// - workflow ID of the workflow.
 		// - runID can be default(empty string). if empty string then it will pick the running execution of that workflow ID.

internal/client.go

@@ -93,6 +93,15 @@ type (
 		// subjected to change in the future.
 		StartWorkflow(ctx context.Context, options StartWorkflowOptions, workflow interface{}, args ...interface{}) (*WorkflowExecution, error)
 
+		// StartWorkflowAsync behaves like StartWorkflow except that the request is first queued and then processed asynchronously.
+		// See StartWorkflow for parameter details.
+		// The returned AsyncWorkflowExecution doesn't contain run ID, because the workflow hasn't started yet.
+		// The errors it can return:
+		//	- EntityNotExistsError, if domain does not exists
+		//	- BadRequestError
+		//	- InternalServiceError
+		StartWorkflowAsync(ctx context.Context, options StartWorkflowOptions, workflow interface{}, args ...interface{}) (*WorkflowExecutionAsync, error)
+
 		// ExecuteWorkflow starts a workflow execution and return a WorkflowRun instance and error
 		// The user can use this to start using a function or workflow type name.
 		// Either by
@@ -160,6 +169,15 @@ type (
 		SignalWithStartWorkflow(ctx context.Context, workflowID string, signalName string, signalArg interface{},
 			options StartWorkflowOptions, workflow interface{}, workflowArgs ...interface{}) (*WorkflowExecution, error)
 
+		// SignalWithStartWorkflowAsync behaves like SignalWithStartWorkflow except that the request is first queued and then processed asynchronously.
+		// See SignalWithStartWorkflow for parameter details.
+		// The errors it can return:
+		//  - EntityNotExistsError, if domain does not exist
+		//  - BadRequestError
+		//	- InternalServiceError
+		SignalWithStartWorkflowAsync(ctx context.Context, workflowID string, signalName string, signalArg interface{},
+			options StartWorkflowOptions, workflow interface{}, workflowArgs ...interface{}) (*WorkflowExecutionAsync, error)
+
 		// CancelWorkflow cancels a workflow in execution
 		// - workflow ID of the workflow.
 		// - runID can be default(empty string). if empty string then it will pick the running execution of that workflow ID.

internal/common/metrics/constants.go

@@ -22,19 +22,21 @@ package metrics
 
 // Workflow Creation metrics
 const (
-	CadenceMetricsPrefix             = "cadence-"
-	WorkflowStartCounter             = CadenceMetricsPrefix + "workflow-start"
-	WorkflowCompletedCounter         = CadenceMetricsPrefix + "workflow-completed"
-	WorkflowCanceledCounter          = CadenceMetricsPrefix + "workflow-canceled"
-	WorkflowFailedCounter            = CadenceMetricsPrefix + "workflow-failed"
-	WorkflowContinueAsNewCounter     = CadenceMetricsPrefix + "workflow-continue-as-new"
-	WorkflowEndToEndLatency          = CadenceMetricsPrefix + "workflow-endtoend-latency" // measure workflow execution from start to close
-	WorkflowGetHistoryCounter        = CadenceMetricsPrefix + "workflow-get-history-total"
-	WorkflowGetHistoryFailedCounter  = CadenceMetricsPrefix + "workflow-get-history-failed"
-	WorkflowGetHistorySucceedCounter = CadenceMetricsPrefix + "workflow-get-history-succeed"
-	WorkflowGetHistoryLatency        = CadenceMetricsPrefix + "workflow-get-history-latency"
-	WorkflowSignalWithStartCounter   = CadenceMetricsPrefix + "workflow-signal-with-start"
-	DecisionTimeoutCounter           = CadenceMetricsPrefix + "decision-timeout"
+	CadenceMetricsPrefix                = "cadence-"
+	WorkflowStartCounter                = CadenceMetricsPrefix + "workflow-start"
+	WorkflowStartAsyncCounter           = CadenceMetricsPrefix + "workflow-start-async"
+	WorkflowCompletedCounter            = CadenceMetricsPrefix + "workflow-completed"
+	WorkflowCanceledCounter             = CadenceMetricsPrefix + "workflow-canceled"
+	WorkflowFailedCounter               = CadenceMetricsPrefix + "workflow-failed"
+	WorkflowContinueAsNewCounter        = CadenceMetricsPrefix + "workflow-continue-as-new"
+	WorkflowEndToEndLatency             = CadenceMetricsPrefix + "workflow-endtoend-latency" // measure workflow execution from start to close
+	WorkflowGetHistoryCounter           = CadenceMetricsPrefix + "workflow-get-history-total"
+	WorkflowGetHistoryFailedCounter     = CadenceMetricsPrefix + "workflow-get-history-failed"
+	WorkflowGetHistorySucceedCounter    = CadenceMetricsPrefix + "workflow-get-history-succeed"
+	WorkflowGetHistoryLatency           = CadenceMetricsPrefix + "workflow-get-history-latency"
+	WorkflowSignalWithStartCounter      = CadenceMetricsPrefix + "workflow-signal-with-start"
+	WorkflowSignalWithStartAsyncCounter = CadenceMetricsPrefix + "workflow-signal-with-start-async"
+	DecisionTimeoutCounter              = CadenceMetricsPrefix + "decision-timeout"
 
 	DecisionPollCounter                = CadenceMetricsPrefix + "decision-poll-total"
 	DecisionPollFailedCounter          = CadenceMetricsPrefix + "decision-poll-failed"