The construct tree node associated with this construct.
Descriptive identifier for this chainable.
Continue normal execution with the given state.
Perform final modifications before synthesis.
This method can be implemented by derived constructs in order to perform final changes before synthesis. prepare() will be called after child constructs have been prepared.
This is an advanced framework feature. Only use this if you understand the implications.
Allows this construct to emit artifacts into the cloud assembly during synthesis.
This method is usually implemented by framework-level constructs such as Stack and Asset
as they participate in synthesizing the cloud assembly.
The synthesis session.
Validate the current construct.
This method can be implemented by derived constructs in order to perform validation logic. It is called on all constructs before synthesis.
An array of validation error messages, or an empty array if the construct is valid.
Prefix the IDs of all states in this state machine fragment.
Use this to avoid multiple copies of the state machine all having the same state IDs.
The prefix to add.
Perform final modifications before synthesis.
This method can be implemented by derived constructs in order to perform final changes before synthesis. prepare() will be called after child constructs have been prepared.
This is an advanced framework feature. Only use this if you understand the implications.
Allows this construct to emit artifacts into the cloud assembly during synthesis.
This method is usually implemented by framework-level constructs such as Stack and Asset
as they participate in synthesizing the cloud assembly.
The synthesis session.
Wrap all states in this state machine fragment up into a single state.
This can be used to add retry or error handling onto this state machine fragment.
Be aware that this changes the result of the inner state machine to be an array with the result of the state machine in it. Adjust your paths accordingly. For example, change 'outputPath' to '$[0]'.
Returns a string representation of this construct.
Validate the current construct.
This method can be implemented by derived constructs in order to perform validation logic. It is called on all constructs before synthesis.
An array of validation error messages, or an empty array if the construct is valid.
Return whether the given object is a Construct.
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RunTransaction executes given main task and manages its concurrency.
Most common AWS services guarantee at-least-once execution but not exactly-once.
The RunTransaction uses Step Function as task runner and DynamoDB as exclusive lock.
So we can run some task that supported by Step Functions task in exactly-once manner if max concurrency is 1.