software.amazon.awscdk.services.stepfunctions.tasks

Interface EvaluateExpressionProps

All Superinterfaces:

software.amazon.jsii.JsiiSerializable, TaskStateBaseProps

All Known Implementing Classes:

EvaluateExpressionProps.Jsii$Proxy

@Generated(value="jsii-pacmak/1.72.0 (build 4b8828b)",
           date="2022-12-27T20:28:49.345Z")
 @Stability(value=Stable)
public interface EvaluateExpressionProps
extends software.amazon.jsii.JsiiSerializable, TaskStateBaseProps

Properties for EvaluateExpression.

Example:

 EvaluateExpression convertToSeconds = EvaluateExpression.Builder.create(this, "Convert to seconds")
         .expression("$.waitMilliseconds / 1000")
         .resultPath("$.waitSeconds")
         .build();
 EvaluateExpression createMessage = EvaluateExpression.Builder.create(this, "Create message")
         // Note: this is a string inside a string.
         .expression("`Now waiting ${$.waitSeconds} seconds...`")
         .runtime(Runtime.NODEJS_14_X)
         .resultPath("$.message")
         .build();
 SnsPublish publishMessage = SnsPublish.Builder.create(this, "Publish message")
         .topic(new Topic(this, "cool-topic"))
         .message(TaskInput.fromJsonPathAt("$.message"))
         .resultPath("$.sns")
         .build();
 Wait wait = Wait.Builder.create(this, "Wait")
         .time(WaitTime.secondsPath("$.waitSeconds"))
         .build();
 StateMachine.Builder.create(this, "StateMachine")
         .definition(convertToSeconds.next(createMessage).next(publishMessage).next(wait))
         .build();
 

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	EvaluateExpressionProps.Builder A builder for EvaluateExpressionProps
static class	EvaluateExpressionProps.Jsii$Proxy An implementation for EvaluateExpressionProps

Method Summary

Modifier and Type	Method and Description
static EvaluateExpressionProps.Builder	builder()
String	getExpression() The expression to evaluate.
default Runtime	getRuntime() The runtime language to use to evaluate the expression.

Methods inherited from interface software.amazon.awscdk.services.stepfunctions.TaskStateBaseProps

getComment, getHeartbeat, getInputPath, getIntegrationPattern, getOutputPath, getResultPath, getResultSelector, getTimeout

Methods inherited from interface software.amazon.jsii.JsiiSerializable

$jsii$toJson

Method Detail

getExpression

@Stability(value=Stable)
 @NotNull
String getExpression()

The expression to evaluate. The expression may contain state paths.

Example value: '$.a + $.b'

getRuntime

@Stability(value=Stable)
 @Nullable
default Runtime getRuntime()

The runtime language to use to evaluate the expression.

Default: lambda.Runtime.NODEJS_14_X

builder

@Stability(value=Stable)
static EvaluateExpressionProps.Builder builder()

Specified by:

builder in interface TaskStateBaseProps

Returns:

a EvaluateExpressionProps.Builder of EvaluateExpressionProps