Package software.amazon.awscdk.services.stepfunctions

Interface CustomStateProps

All Superinterfaces:
software.amazon.jsii.JsiiSerializable
All Known Implementing Classes:
CustomStateProps.Jsii$Proxy
@Generated(value="jsii-pacmak/1.104.0 (build e79254c)", date="2024-11-06T23:25:17.532Z") @Stability(Stable) public interface CustomStateProps extends software.amazon.jsii.JsiiSerializable
Properties for defining a custom state definition.

Example: 

 import software.amazon.awscdk.services.dynamodb.*;
 // create a table
 Table table = Table.Builder.create(this, "montable")
         .partitionKey(Attribute.builder()
                 .name("id")
                 .type(AttributeType.STRING)
                 .build())
         .build();
 Pass finalStatus = new Pass(this, "final step");
 // States language JSON to put an item into DynamoDB
 // snippet generated from https://docs.aws.amazon.com/step-functions/latest/dg/tutorial-code-snippet.html#tutorial-code-snippet-1
 Map<String, Object> stateJson = Map.of(
         "Type", "Task",
         "Resource", "arn:aws:states:::dynamodb:putItem",
         "Parameters", Map.of(
                 "TableName", table.getTableName(),
                 "Item", Map.of(
                         "id", Map.of(
                                 "S", "MyEntry"))),
         "ResultPath", null);
 // custom state which represents a task to insert data into DynamoDB
 CustomState custom = CustomState.Builder.create(this, "my custom task")
         .stateJson(stateJson)
         .build();
 // catch errors with addCatch
 Pass errorHandler = new Pass(this, "handle failure");
 custom.addCatch(errorHandler);
 // retry the task if something goes wrong
 custom.addRetry(RetryProps.builder()
         .errors(List.of(Errors.ALL))
         .interval(Duration.seconds(10))
         .maxAttempts(5)
         .build());
 Chain chain = Chain.start(custom).next(finalStatus);
 StateMachine sm = StateMachine.Builder.create(this, "StateMachine")
         .definitionBody(DefinitionBody.fromChainable(chain))
         .timeout(Duration.seconds(30))
         .comment("a super cool state machine")
         .build();
 // don't forget permissions. You need to assign them
 table.grantWriteData(sm);