Pre-Con Ed: CA Live API Creator: Build and Deploy Enterprise-class APIs With Reactive Logic to...

World®’16

PreCon Ed:ReactiveLogic

ValHuber,ConsultingEngineer,CA

D03X101LV

DEVOPS

2 ©2016CA.ALLRIGHTSRESERVED.@CAWORLD#CAWORLD

©2016CA.Allrightsreserved.Alltrademarksreferencedhereinbelongtotheirrespectivecompanies.

Thecontentprovidedinthis CAWorld2016presentationisintendedforinformationalpurposesonlyanddoesnotformanytypeofwarranty. The informationprovidedbyaCApartnerand/orCAcustomerhasnotbeenreviewedforaccuracybyCA.

ForInformationalPurposesOnlyTermsofthisPresentation


Abstract

APIsareatthecenteroftheAppEconomy,providingconnectivityforomni-channelbusiness,

includingWeb/mobileapps,partnersandon-premises/partnersystemintegration.Butinthe

past,they’vebeenquiteachoretobuild.Inthissession,youwillbuildanddeployEnterprise-

classAPIs,completewithsemanticsforlogicandsecurity.You’lllearnaboutReactiveLogicand

howtoenforcesecuritydowntotherowandcolumnlevel.You’lllearnhowtotestyourAPI,

bothwithCALiveAPICreatorandindustrystandardapproacheslikeCurl.Nopre-knowledgeof

RESTfulAPIsisrequired.Infact,thisisagreatsessiontolearnexactlywhatAPIsareallabout.

ValHuber

CATechnologiesConsultingEngineer


Agenda

WHYAPIS

WHAT’STHEPROBLEM

OURAPPROACH

WHEREAREWENOW

TODO:CHECKCREDITLOGICFORNORTHWIND

1

2

3

4

5

SUMMARY6


APIServers…EnablingtheAppEconomyWiththeAgility toCompete

Web

Mobile

Partners

WebHooks

DBsAPI

Server

OmniChannelBusiness

Shippers,Suppliers

1Integration

3

2

Logic


APIServers– WayMoreThanRestEnterprise-classAPIs…NotToys

Logic

Integration

DataAndhere’swheretherealworkis

NestedDocumentsPaginationOptimisticLockingAPI


APIServers…EnablingtheAppEconomyConventionalApproachProvides…Stubs?!!

Web

Mobile

Partners

WebHooks

DBsAPI

Server

OmniChannelBusiness

Shippers,Suppliers

1Integration

3

2

LogicRaml,SwaggerStubsRestify Schema(?)

YourCodeGoes..Where?


APIServerAgilityfortheAppEconomy

Web

Mobile

Partners

WebHooks

DBsAPI

Server

OmniChannelBusiness

Shippers,Suppliers

1Integration

3

2

Logic

APILogic- Automated

IntegrationLogicClientLogic§ Read/Write§ Display§ MobileAppServices

ReactiveLogic§ Multi-TableDerivationsandValidations§ Row/ColumnSecurity§ Extensible– JavaScript,Libraries§ AutomaticObjectModel


WhereAreWeNow

1. StartLAC3/Start.bat

2. StartChrome– clickbookmark

Alreadyinstalled(JDK,unzip)– togetstarted…


Developers

BusinessUsers

ExistingDatabase

NewDatabase

Create/Customize

API

ReactiveLogic&Security

CustomClientDev

CreateDBServer

DBCoding Parallelized

DevelopmentActivities

Iterate

Bottom-Up

Top-Down

Code-First

Northwind

HowThreewaystostart;stayparallel;iterate


Whycan’twejustmakethisexecutable?AsanAPI?

ReusedOver…ü AddOrderü DeleteOrderü PayOrderü Un-payOrderü MoveOrderü AddItemü DeleteItemü ReselectProductü ChangeQuantityü Combinations

Hundreds oflinesofcode


ReactiveLogic:ExecutableCocktailNapkin

ExecutableCocktailNapkin

ReusedOver…ü AddOrderü DeleteOrderü PayOrderü Un-payOrderü MoveOrderü AddItemü DeleteItemü ReselectProductü ChangeQuantityü Combinations

ReusedOver…ü AndAllEndpoints


WhatisReactiveLogicSpreadsheet-likeExpressionsforMulti-Table ValidationsandComputations

1. YouProvideSpreadsheet-likeExpressionsforDBtables,columns

2. APIServerReacts toChanges,automating§ Invocation§ Chaining/Ordering§ SQL(withOptimizations)

Simple…ADozenRules

Aggregate(up)

Copy(down)


ReactiveLogic

EnableInstantBusinessRelationshipsAPIsShareLogic.Automatically.

APILogicPoint/Click

AutomaticallyInvokedforallAPS

Agility:40XMoreConcise*

Maintenance:automaticallyordered

*BasedonCA’sinternaltestingandcustomerinterviews.


LAC:EnterpriseAgilityfortheAppEconomyKeyServices,foraDramaticReductioninEffort

0

20

40

60

80

100

APILogic BusinessLogic

YourEffort

Conventional LAC

Functionality

Logic

APILogicAbstractionLayer

Restify SchemaStubs

Conventional


Let’sExamineaTypical,SmallProblemExecutableSpecification

Agilityü 40Xmoreconcisethancode*

Qualityü AutomaticInvocation

Maintenanceü AutomaticOrdering

Transparency

Vs…200LinesofCode



LabObjectives

§ CreateAPIfromExistingDatabase(Northwind:norules)

§ CreateReactiveLogic

FollowalongwiththeInstructor


ReactiveisEffectiveonSmallProblems..

CathedralTermites

UseRules

WhataboutEnterprise-scaleComplexity?


AllocatePayment

§ Allocateaproviderpayments.amounttodesignatedrecipientOrders,

§ creatingallocationPaymentpurchase_order_allocation objects(aProvider/RecipientJunction)foreachsuchallocation.

§ Adjustorder,customerbalances


Allocation:Solution6Rules


PriceRollup

1. WhenComponentPriceChanges…

2. UpdateKitPrices,and...

3. ContainingKits


PriceRollup:Solution4Rules


SystemsIntegration

Web

Mobile

Partners

WebHooks

DBsAPI

Server

OmniChannelBusiness

Shippers,Suppliers

1Integration

3

2

Logic


Integration,Extensibility

AutomaticObjectModel

Discovery– CodeCompletion

Resources– point/clickmapping

andtransformation

Extensibility– LoadableLibraries


TransparencyRequirement

AndLogicTraceability


Security,WithReactiveLogicComplementingAPISecurity:Fine-GrainedDataSecurity(Row,Column)

Authentication Authorization


AgilityN-FoldFasterAPI-EnabledBackend

AgileIteration

MaintainingQuality

Slow,Complex5BusinessRules–200LinesofCode

IterationslowedbyDependencies

QualityisManual

ReactiveLogic40XMoreConcise*,YetScalestoComplexity

IteratewithAutomaticOrdering

QualityThroughAutomaticInvocation

AppEconomy:APIs,withAgilityBusinessLogicisamajorcomponentofAPIs



Questions?


RecommendedSessions

SESSION# TITLE DATE/TIME

DO3T14TV DomainLogicRequiresDomain-SpecificCode 11/16/2016at10:00am

DO3T17TV IntegrationStrategies 11/17/2016at03:00am

DO3T15TV Myth:LowCodeisaToy 11/17/2016at03:45pm

Innovation,EmpoweringAgilityfortheAppEconomy

http://www.ca.com/us/trials.html


Thankyou.

Stayconnectedatcommunities.ca.com

Date post:	10-Jan-2017
Category:	Technology
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Pre-Con Ed: CA Live API Creator: Build and Deploy Enterprise-class APIs With Reactive Logic to...

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