CON10253_Stukalov-20151024-3-CUBA_J1-final.pptx

8/17/2019 CON10253_Stukalov-20151024-3-CUBA_J1-final.pptx

http://slidepdf.com/reader/full/con10253stukalov-20151024-3-cubaj1-finalpptx 1/41

By AlekseyStukalov

How to Develop

Highly CustomizableOf-the-ShelSotware



Of-the-Shel vs Custom

SotwareOf-the-Shel

• Generic

• Customization is laborious or impossible

Custom

• 100% designed or the individual customer

• i!cult to productize or new customers



"deal #roduct

• "mplements $good or all - common businesseatures

•

Also implements $good onl& or me - distinctivebusiness eatures or individual client

• Customization does not impede regular core product

updates



'd(ust )odel

#roduct Customization



)odi& *usiness +ogic



'd(ust ,"



idel& ,sed .echni/ues

• 'll in One

• *ranching

• ntit&-'ttribute-alue

• #lugins



'll in One2 Concept

• 3eep single codebase

• mplo& 4eature toggling5



'll in One2 Customizabilit&

• atabase +a&er

• *usiness +ogic +a&er

• ,ser "nterace +a&er



'll in One2 "deal Scenario

• stablished6 mostl& static business area

• +imited customization re/uirements

• "nabilit& to deliver custom development does notimpact sales



'll in One2 hat i the

assumptions were wrong• Customer is unhapp& due to lac7 o desired eatures

O8

• Codebase turns into the unmanageable garbage can



*ranching2 Concept

• Create a new branch or the customer

• Customize whatever is needed in isolation



*ranching2 Customizabilit&

• atabase +a&er





*ranching2 "deal Scenario

• )aster branch is mature and does not re/uire rapiddeliver& o new eatures

• Onl& a ew customer branches re/uired

• Customer branches do not re/uire re/uents&nchronization with the core product branch



*ranching2 hat i the

assumptions were wrongConstant merging rom master to branches and viceversa2

• *ecomes e9tremel& time consuming

• +eads to unavoidable regression bugs



'2 Concept

• eliver $as is

• mplo& a mechanism to d&namicall& add custom

:elds to entities on-the-;&

• )i9 with other techni/ues to enable *usiness +ogiccustomization



'2 Customizabilit&

• atabase +a&er

• ,ser "nterace +a&er<

< ," can be customized to some e9tent and naturall&limited b& the pre-programmed displa& logic



'2 "deal Scenario

• =le9ibilit& o having additional inormative data isre/uired

•

'dditional data is not e9plicitl& used in the productbusiness logic



'2 +imitations

• Cannot be applied or *usiness +ogic customization

• )a& add complications to data utilization and

increases the database load



#lugins2 Concept

• e:ne 4#oints o Customization5 >a7a 9tensionpoints?

•

evelop unctional logic in separate >isolated?arteacts >plugins or scripts?

• &namicall& e9ecute attached plugins in the pre-

de:ned Customization #oints



#lugins2 Customizabilit&

• atabase +a&er





#lugins2 "deal Scenario

• #oints o Customization are eas& to predict

• ,ser "nterace modi:cations are /uite trivial

• *usiness +ogic modi:cations to be added onl& in#oints o Customization6 not in between



#lugins2 +imitations

• 'n& la&er can be customized to some e9tent6 which isnaturall& limited b& 4#oints o Customization5

• 'rchitecture becomes more complicated

• 4@ust in case5 scattering o 4Customization #oints5leads to poor code readabilit& and hard debug



"deal =ramewor7

8e/uirements• Customization rom )odel to ,"

• Clear separation between underl&ing #roduct and On- .op Customizations

• #ossibilit& o tight interlacement o Customization and#roduct unctionalit&

•

ntire product to be opened or customization



C,*' 9tensions

• "mplemented in the C,*' platorm A a high levelramewor7 or enterprise sotware development

• *ased on the Open "nheritance pattern

Mai !ri"iples

• "nherit all the eatures o an underl&ing product6 usingit as a librar&

• Contain onl& distinctive eatures6 without cop&inguntouched product unctionalit&

• Support hierarchical customization model



)odel Customization2

Challenge• #roduct implements User entit&

• Customer re/uires address and department :elds tobe added

• Department is re/uired to be a separate entit&6 lin7edto a User




"mplementation




B9tends• *ase entit& use should be substituted globall& acrossthe product2

– Constructors

– @#+ /ueries

– )odel traversal




Dow it wor7s• Ob(ect =actor& alwa&s returns the deepest child using

metadata model

• 'll @#+ /ueries are parsed6 anal&zed and modi:edaccording to the metadata model

• )odel traversal substitution is reached b& orm.xml generation6 where target-entity attribute reers to thedeepest child



#roduct C,*' e9tension

," Customization2 Dow it

wor7s



," Customization2 #roduct

Screen



," Customization2 9tension

Screen



Spring ramewor7 does it Ano need to reinvent whatalread& e9istsE

• eclare a @Component

• Override in thee9tension

• 8e-register the new

class in the e9tension

• .he newimplementation will beused across the whole

product

*usiness +ogic

Customization



,pdating the ,nderl&ing

#roduct ersion• Speci& the new version o the underl&ing product in

e9tension

• )eet product '#" changes in the overlapped parts

• 8ebuild the product with the e9tension



Dierarchical Customization

)odel



Summar&



*ased on mainstreamtechnologies

"mplements2

• C,*' 9tensions• Scripting• ntit&-'ttribute-alue

C,*' #latorm



Our 9perience2 .hesis

nterprise Content )anagement s&stem

• Over F00 implementations

•

F custom solutions based on the product

eliver& o F pro(ects to huge customers would not bepossible without deep s&stem customization



Our 9perience2

Sherloc7 .a9i SolutionComplete .a9i )anagement Solution

• 1F implementations

• H custom solutions based the product

• F ongoing customizations

#roduct is constantl& being updated or all customers

bringing new product eaturesI



Dands-on +abs

.r& C,*' e9tensions at our Dands-on +abs6 with thehelp o our C,*' e9perts6 &ou will develop a ull&-unctioned business application in (ust a couple o hours

hen2 ednesda& FJth October F01Khere2 Dilton-=ranciscan 8oom '

+ab 12 10200 am - 1F200 pm+ab F2 1F2L0 pm - F2L0 pm

+ab L2 L200 pm - K200 pm



By AlekseyStukalov

#hak you$

CON10253_Stukalov-20151024-3-CUBA_J1-final.pptx

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