Sean Hsieh JenHsuan

## step_function.csv

          
             Asychronous
             Sychronous

            
              Wait
               Doesn't wait workflow to complete
               wait for workflow to complete

            
              Immediate
               You don't need an immediate response (messaging service)
               You need an immediate response (microservice)

            
              Idempotence
               Must manage idempotence

            
              AWS service
               
              Can be invoke from API gateway or Lambda function

## step_function.csv

          
             standard
             express

            
              Max duration
               up to 1 year
               up to 5 minutes

            
              Execution model
               Exactly-once execution

            
              Execution rate
               Over 2000/second
               Over 100000/second

            
              Execution history
               up to 90 days or using CloudWatch
               CloudWatch Logs

            
              Pricing
               # of state transitions
               # of executions. durations. and memory consumption

            
              Use case
               Non-idempotent actions (e.g. processing payments)
              IoT data ingestion. streaming data. mobile app branch

## ws.csv

          
            Operation
             Action

            
              POST
               Sends a message from the server to the connected WS client

            
              GET
               Gets the latest connection status of the connected WS client

            
              POST
               Disconnect the connected client from the WS connection

## api_gateway_api_type.csv

          
            Authoriser
             HTTP API
             REST API

            
              Lambda
               o
               o

            
              IAM
               o
               o

            
              Resource-based policies
                
               o

            
              Cognito
               o
               o

            
              Native OpenID Connect/Oauth 2.0/JWT
               o

## app.component.ts
@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.scss']
})
export class AppComponent {
  ...

  constructor(...) {
    ...

## convertHierarchyPointNodesToSimpleNode.ts
convertHierarchyPointNodesToSimpleNodes = (nodes: d3.HierarchyPointNode<TopoNode>[]): TopoNode[] => {
    const data: TopoNode[] = [];

    nodes.forEach(node => {
      const newNode: TopoNode = _.cloneDeep(node.data);
      data.push(newNode);
    });

    return data;
  }

## topologyDataSubject.ts
this.topologyDataSubject.next({
  nodes: this.convertHierarchyPointNodesToSimpleNodes(this.flattenedNodes),
  edges: this.edges
});

## app.component.ts
@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.scss']
})
export class AppComponent {
  ...

  private topologyDataSubject = new BehaviorSubject<Topology | null>(null);


## app.component.ts
@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.scss']
})
export class AppComponent {

  ...

  constructor(...) {

## app.component.ts
@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.scss']
})
export class AppComponent {
  ...

  private updateChart(rootNode: d3.HierarchyNode<TopoNode>, source: d3.HierarchyPointNode<TopoNode>, svg: d3.Selection<SVGGElement, unknown, HTMLElement, any>) {
    ...
	Asychronous	Sychronous
Wait	Doesn't wait workflow to complete	wait for workflow to complete
Immediate	You don't need an immediate response (messaging service)	You need an immediate response (microservice)
Idempotence	Must manage idempotence
AWS service		Can be invoke from API gateway or Lambda function
	standard	express
Max duration	up to 1 year	up to 5 minutes
Execution model	Exactly-once execution
Execution rate	Over 2000/second	Over 100000/second
Execution history	up to 90 days or using CloudWatch	CloudWatch Logs
Pricing	# of state transitions	# of executions. durations. and memory consumption
Use case	Non-idempotent actions (e.g. processing payments)	IoT data ingestion. streaming data. mobile app branch
	Operation	Action
	POST	Sends a message from the server to the connected WS client
	GET	Gets the latest connection status of the connected WS client
	POST	Disconnect the connected client from the WS connection
Authoriser	HTTP API	REST API
Lambda	o	o
IAM	o	o
Resource-based policies		o
Cognito	o	o
Native OpenID Connect/Oauth 2.0/JWT	o
	@Component({
	selector: 'app-root',
	templateUrl: './app.component.html',
	styleUrls: ['./app.component.scss']
	})
	export class AppComponent {
	...

	constructor(...) {
	...
	convertHierarchyPointNodesToSimpleNodes = (nodes: d3.HierarchyPointNode<TopoNode>[]): TopoNode[] => {
	const data: TopoNode[] = [];

	nodes.forEach(node => {
	const newNode: TopoNode = _.cloneDeep(node.data);
	data.push(newNode);
	});

	return data;
	}
	this.topologyDataSubject.next({
	nodes: this.convertHierarchyPointNodesToSimpleNodes(this.flattenedNodes),
	edges: this.edges
	});