chore(stepfunctions): reference interfaces

Reference interfaces for L2s, like #35271.

"chore" because I plan to make a lot of these PRs and they're not adding value to the changelog.

(Generated with AI)

Author: rix0rrr

packages/aws-cdk-lib/aws-stepfunctions-tasks/lib/invoke-activity.ts

@@ -1,5 +1,6 @@
 import * as sfn from '../../aws-stepfunctions';
 import { Duration } from '../../core';
+import { IActivityRef } from '../../interfaces/generated/aws-stepfunctions-interfaces.generated';
 
 /**
  * Properties for FunctionTask
@@ -24,13 +25,13 @@ export interface InvokeActivityProps {
  * @deprecated use `StepFunctionsInvokeActivity`
  */
 export class InvokeActivity implements sfn.IStepFunctionsTask {
-  constructor(private readonly activity: sfn.IActivity, private readonly props: InvokeActivityProps = {}) {
+  constructor(private readonly activity: IActivityRef, private readonly props: InvokeActivityProps = {}) {
   }
 
   public bind(_task: sfn.Task): sfn.StepFunctionsTaskConfig {
     return {
-      resourceArn: this.activity.activityArn,
-      metricDimensions: { ActivityArn: this.activity.activityArn },
+      resourceArn: this.activity.activityRef.activityArn,
+      metricDimensions: { ActivityArn: this.activity.activityRef.activityArn },
       heartbeat: this.props.heartbeat,
       // No IAM permissions necessary, execution role implicitly has Activity permissions.
       metricPrefixSingular: 'Activity',

packages/aws-cdk-lib/aws-stepfunctions-tasks/lib/start-execution.ts

@@ -2,6 +2,7 @@ import { getResourceArn } from './resource-arn-suffix';
 import * as iam from '../../aws-iam';
 import * as sfn from '../../aws-stepfunctions';
 import { ArnFormat, Stack, ValidationError } from '../../core';
+import { IStateMachineRef } from '../../interfaces/generated/aws-stepfunctions-interfaces.generated';
 
 /**
  * Properties for StartExecution
@@ -47,7 +48,7 @@ export interface StartExecutionProps {
 export class StartExecution implements sfn.IStepFunctionsTask {
   private readonly integrationPattern: sfn.ServiceIntegrationPattern;
 
-  constructor(private readonly stateMachine: sfn.IStateMachine, private readonly props: StartExecutionProps = {}) {
+  constructor(private readonly stateMachine: IStateMachineRef, private readonly props: StartExecutionProps = {}) {
     this.integrationPattern = props.integrationPattern || sfn.ServiceIntegrationPattern.FIRE_AND_FORGET;
 
     const supportedPatterns = [
@@ -72,7 +73,7 @@ export class StartExecution implements sfn.IStepFunctionsTask {
       policyStatements: this.createScopedAccessPolicy(task),
       parameters: {
         Input: this.props.input,
-        StateMachineArn: this.stateMachine.stateMachineArn,
+        StateMachineArn: this.stateMachine.stateMachineRef.stateMachineArn,
         Name: this.props.name,
       },
     };
@@ -91,7 +92,7 @@ export class StartExecution implements sfn.IStepFunctionsTask {
     const policyStatements = [
       new iam.PolicyStatement({
         actions: ['states:StartExecution'],
-        resources: [this.stateMachine.stateMachineArn],
+        resources: [this.stateMachine.stateMachineRef.stateMachineArn],
       }),
     ];
 
@@ -104,7 +105,7 @@ export class StartExecution implements sfn.IStepFunctionsTask {
           service: 'states',
           resource: 'execution',
           arnFormat: ArnFormat.COLON_RESOURCE_NAME,
-          resourceName: `${stack.splitArn(this.stateMachine.stateMachineArn, ArnFormat.COLON_RESOURCE_NAME).resourceName}*`,
+          resourceName: `${stack.splitArn(this.stateMachine.stateMachineRef.stateMachineArn, ArnFormat.COLON_RESOURCE_NAME).resourceName}*`,
         })],
       }));
 

packages/aws-cdk-lib/aws-stepfunctions-tasks/lib/stepfunctions/start-execution.ts

@@ -2,13 +2,14 @@ import { Construct } from 'constructs';
 import * as iam from '../../../aws-iam';
 import * as sfn from '../../../aws-stepfunctions';
 import { ArnFormat, Stack, ValidationError } from '../../../core';
+import { IStateMachineRef } from '../../../interfaces/generated/aws-stepfunctions-interfaces.generated';
 import { integrationResourceArn, validatePatternSupported } from '../private/task-utils';
 
 interface StepFunctionsStartExecutionOptions {
   /**
    * The Step Functions state machine to start the execution on.
    */
-  readonly stateMachine: sfn.IStateMachine;
+  readonly stateMachine: IStateMachineRef;
 
   /**
    * The JSON input for the execution, same as that of StartExecution.
@@ -136,7 +137,7 @@ export class StepFunctionsStartExecution extends sfn.TaskStateBase {
       Resource: `${integrationResourceArn('states', 'startExecution', this.integrationPattern)}${suffix}`,
       ...this._renderParametersOrArguments({
         Input: input,
-        StateMachineArn: this.props.stateMachine.stateMachineArn,
+        StateMachineArn: this.props.stateMachine.stateMachineRef.stateMachineArn,
         Name: this.props.name,
       }, queryLanguage),
     };
@@ -155,7 +156,7 @@ export class StepFunctionsStartExecution extends sfn.TaskStateBase {
     const policyStatements = [
       new iam.PolicyStatement({
         actions: ['states:StartExecution'],
-        resources: [this.props.stateMachine.stateMachineArn],
+        resources: [this.props.stateMachine.stateMachineRef.stateMachineArn],
       }),
     ];
 
@@ -170,7 +171,7 @@ export class StepFunctionsStartExecution extends sfn.TaskStateBase {
               service: 'states',
               resource: 'execution',
               arnFormat: ArnFormat.COLON_RESOURCE_NAME,
-              resourceName: `${stack.splitArn(this.props.stateMachine.stateMachineArn, ArnFormat.COLON_RESOURCE_NAME).resourceName}*`,
+              resourceName: `${stack.splitArn(this.props.stateMachine.stateMachineRef.stateMachineArn, ArnFormat.COLON_RESOURCE_NAME).resourceName}*`,
             }),
           ],
         }),

packages/aws-cdk-lib/aws-stepfunctions/lib/activity.ts

@@ -9,6 +9,7 @@ import * as iam from '../../aws-iam';
 import { ArnFormat, IResource, Lazy, Names, Resource, Stack } from '../../core';
 import { addConstructMetadata, MethodMetadata } from '../../core/lib/metadata-resource';
 import { propertyInjectable } from '../../core/lib/prop-injectable';
+import { IActivityRef } from '../../interfaces/generated/aws-stepfunctions-interfaces.generated';
 
 /**
  * Properties for defining a new Step Functions Activity
@@ -46,6 +47,11 @@ export class Activity extends Resource implements IActivity {
       public get activityName() {
         return Stack.of(this).splitArn(activityArn, ArnFormat.COLON_RESOURCE_NAME).resourceName || '';
       }
+      public get activityRef() {
+        return {
+          activityArn: this.activityArn,
+        };
+      }
     }
 
     return new Imported(scope, id);
@@ -78,6 +84,12 @@ export class Activity extends Resource implements IActivity {
    */
   public readonly encryptionConfiguration?: EncryptionConfiguration;
 
+  public get activityRef() {
+    return {
+      activityArn: this.activityArn,
+    };
+  }
+
   constructor(scope: Construct, id: string, props: ActivityProps = {}) {
     super(scope, id, {
       physicalName: props.activityName ||
@@ -263,7 +275,7 @@ export class Activity extends Resource implements IActivity {
  * Represents a Step Functions Activity
  * https://docs.aws.amazon.com/step-functions/latest/dg/concepts-activities.html
  */
-export interface IActivity extends IResource {
+export interface IActivity extends IResource, IActivityRef {
   /**
    * The ARN of the activity
    *