class StateMachine (construct)

Language	Type name
.NET	`Amazon.CDK.AWS.StepFunctions.StateMachine`
Java	`software.amazon.awscdk.services.stepfunctions.StateMachine`
Python	`aws_cdk.aws_stepfunctions.StateMachine`
TypeScript (source)	`@aws-cdk/aws-stepfunctions` » `StateMachine`

Implements IConstruct, IConstruct, IDependable, IResource, IStateMachine, IGrantable

Define a StepFunctions State Machine.

Example

import * as stepfunctions from '@aws-cdk/aws-stepfunctions';

const pipeline = new codepipeline.Pipeline(this, 'MyPipeline');
const inputArtifact = new codepipeline.Artifact();
const startState = new stepfunctions.Pass(this, 'StartState');
const simpleStateMachine  = new stepfunctions.StateMachine(this, 'SimpleStateMachine', {
  definition: startState,
});
const stepFunctionAction = new codepipeline_actions.StepFunctionInvokeAction({
  actionName: 'Invoke',
  stateMachine: simpleStateMachine,
  stateMachineInput: codepipeline_actions.StateMachineInput.filePath(inputArtifact.atPath('assets/input.json')),
});
pipeline.addStage({
  stageName: 'StepFunctions',
  actions: [stepFunctionAction],
});

Initializer

new StateMachine(scope: Construct, id: string, props: StateMachineProps)

Parameters

scope Construct
id string
props StateMachineProps

Construct Props

Name	Type	Description
definition	`IChainable`	Definition for this state machine.
logs?	`LogOptions`	Defines what execution history events are logged and where they are logged.
role?	`IRole`	The execution role for the state machine service.
stateMachineName?	`string`	A name for the state machine.
stateMachineType?	`StateMachineType`	Type of the state machine.
timeout?	`Duration`	Maximum run time for this state machine.
tracingEnabled?	`boolean`	Specifies whether Amazon X-Ray tracing is enabled for this state machine.

definition

Type: IChainable

Definition for this state machine.

logs?

Type: LogOptions (optional, default: No logging)

Defines what execution history events are logged and where they are logged.

role?

Type: IRole (optional, default: A role is automatically created)

The execution role for the state machine service.

stateMachineName?

Type: string (optional, default: A name is automatically generated)

A name for the state machine.

stateMachineType?

Type: StateMachineType (optional, default: StateMachineType.STANDARD)

Type of the state machine.

timeout?

Type: Duration (optional, default: No timeout)

Maximum run time for this state machine.

tracingEnabled?

Type: boolean (optional, default: false)

Specifies whether Amazon X-Ray tracing is enabled for this state machine.

Properties

Name	Type	Description
env	`ResourceEnvironment`	The environment this resource belongs to.
grantPrincipal	`IPrincipal`	The principal this state machine is running as.
node	`ConstructNode`	The construct tree node associated with this construct.
role	`IRole`	Execution role of this state machine.
stack	`Stack`	The stack in which this resource is defined.
stateMachineArn	`string`	The ARN of the state machine.
stateMachineName	`string`	The name of the state machine.
stateMachineType	`StateMachineType`	Type of the state machine.

env

Type: ResourceEnvironment

The environment this resource belongs to.

For resources that are created and managed by the CDK (generally, those created by creating new class instances like Role, Bucket, etc.), this is always the same as the environment of the stack they belong to; however, for imported resources (those obtained from static methods like fromRoleArn, fromBucketName, etc.), that might be different than the stack they were imported into.

grantPrincipal

Type: IPrincipal

The principal this state machine is running as.

node

Type: ConstructNode

The construct tree node associated with this construct.

role

Type: IRole

Execution role of this state machine.

stack

Type: Stack

The stack in which this resource is defined.

stateMachineArn

Type: string

The ARN of the state machine.

stateMachineName

Type: string

The name of the state machine.

stateMachineType

Type: StateMachineType

Type of the state machine.

Methods

Name	Description
addToRolePolicy(statement)	Add the given statement to the role's policy.
applyRemovalPolicy(policy)	Apply the given removal policy to this resource.
grant(identity, ...actions)	Grant the given identity custom permissions.
grantExecution(identity, ...actions)	Grant the given identity permissions on all executions of the state machine.
grantRead(identity)	Grant the given identity permissions to read results from state machine.
grantStartExecution(identity)	Grant the given identity permissions to start an execution of this state machine.
grantStartSyncExecution(identity)	Grant the given identity permissions to start a synchronous execution of this state machine.
grantTaskResponse(identity)	Grant the given identity task response permissions on a state machine.
metric(metricName, props?)	Return the given named metric for this State Machine's executions.
metricAborted(props?)	Metric for the number of executions that were aborted.
metricFailed(props?)	Metric for the number of executions that failed.
metricStarted(props?)	Metric for the number of executions that were started.
metricSucceeded(props?)	Metric for the number of executions that succeeded.
metricThrottled(props?)	Metric for the number of executions that were throttled.
metricTime(props?)	Metric for the interval, in milliseconds, between the time the execution starts and the time it closes.
metricTimedOut(props?)	Metric for the number of executions that timed out.
toString()	Returns a string representation of this construct.
static fromStateMachineArn(scope, id, stateMachineArn)	Import a state machine.

addToRolePolicy(statement)

public addToRolePolicy(statement: PolicyStatement): void

Parameters

statement PolicyStatement

Add the given statement to the role's policy.

applyRemovalPolicy(policy)

public applyRemovalPolicy(policy: RemovalPolicy): void

Parameters

policy RemovalPolicy

Apply the given removal policy to this resource.

The Removal Policy controls what happens to this resource when it stops being managed by CloudFormation, either because you've removed it from the CDK application or because you've made a change that requires the resource to be replaced.

The resource can be deleted (RemovalPolicy.DESTROY), or left in your AWS account for data recovery and cleanup later (RemovalPolicy.RETAIN).

grant(identity, ...actions)

public grant(identity: IGrantable, ...actions: string[]): Grant

Parameters

identity IGrantable
actions string

Returns

Grant

Grant the given identity custom permissions.

grantExecution(identity, ...actions)

public grantExecution(identity: IGrantable, ...actions: string[]): Grant

Parameters

identity IGrantable
actions string

Returns

Grant

Grant the given identity permissions on all executions of the state machine.

grantRead(identity)

public grantRead(identity: IGrantable): Grant

Parameters

identity IGrantable

Returns

Grant

Grant the given identity permissions to read results from state machine.

grantStartExecution(identity)

public grantStartExecution(identity: IGrantable): Grant

Parameters

identity IGrantable

Returns

Grant

Grant the given identity permissions to start an execution of this state machine.

grantStartSyncExecution(identity)

public grantStartSyncExecution(identity: IGrantable): Grant

Parameters

identity IGrantable

Returns

Grant

Grant the given identity permissions to start a synchronous execution of this state machine.

grantTaskResponse(identity)

public grantTaskResponse(identity: IGrantable): Grant

Parameters

identity IGrantable

Returns

Grant

Grant the given identity task response permissions on a state machine.

metric(metricName, props?)

public metric(metricName: string, props?: MetricOptions): Metric

Parameters

metricName string
props MetricOptions

Returns

Metric

Return the given named metric for this State Machine's executions.

metricAborted(props?)

public metricAborted(props?: MetricOptions): Metric

Parameters

props MetricOptions

Returns

Metric

Metric for the number of executions that were aborted.

metricFailed(props?)

public metricFailed(props?: MetricOptions): Metric

Parameters

props MetricOptions

Returns

Metric

Metric for the number of executions that failed.

metricStarted(props?)

public metricStarted(props?: MetricOptions): Metric

Parameters

props MetricOptions

Returns

Metric

Metric for the number of executions that were started.

metricSucceeded(props?)

public metricSucceeded(props?: MetricOptions): Metric

Parameters

props MetricOptions

Returns

Metric

Metric for the number of executions that succeeded.

metricThrottled(props?)

public metricThrottled(props?: MetricOptions): Metric

Parameters

props MetricOptions

Returns

Metric

Metric for the number of executions that were throttled.

metricTime(props?)

public metricTime(props?: MetricOptions): Metric

Parameters

props MetricOptions

Returns

Metric

Metric for the interval, in milliseconds, between the time the execution starts and the time it closes.

metricTimedOut(props?)

public metricTimedOut(props?: MetricOptions): Metric

Parameters

props MetricOptions

Returns

Metric

Metric for the number of executions that timed out.

toString()

public toString(): string

Returns

string

Returns a string representation of this construct.

static fromStateMachineArn(scope, id, stateMachineArn)

public static fromStateMachineArn(scope: Construct, id: string, stateMachineArn: string): IStateMachine

Parameters

scope Construct
id string
stateMachineArn string

Returns

IStateMachine

Import a state machine.