Technology jumptstart final 2017 rev 12 for COMMON … Developer... · &rs\uljkw &hqwudo 3dun 'dwd...

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Copyright Central Park Data Systems Inc 1

Charles Guarino

Application Developer Modernization Jump Start

Central Park Data Systems, Inc.@charlieguarino

What We’ll Cover …

• Think like a manager

• Modern tooling

• All about SQL

• The “lowly” service program

• All about JSON

• Blockchain

• IBM Watson

• Wrap Up


Think like a manager

Understand Technical Debt

“… a concept in software development that reflects the implied cost of additional rework caused by choosing an easy solution now instead of using a better approach that would take longer. “

https://en.wikipedia.org/wiki/Technical_debt


Have a new project? SWOT it!

Have a new project? SWOT it!

Strengths

Weaknesses

Opportunities

Threats


Change management

The Leavitt Diamond



• Modern tooling

• All about SQL


• All about JSON

• Blockchain

• IBM Watson

• Wrap Up


Eclipse Open Source Community

Rational Developer for i Source Code Maintenance


Rational Developer for i Program Debugging

Rational Developer for i Code Coverage

Executed code by procedure


Rational Developer for i Code Coverage

Executed code by lines of code

Rational Developer for i – Code Refactoring





Plug ins - iSphere

Plug ins – eGIT – From Eclipse Marketplace


Using Git and RDi step by step

http://ibm.biz/rdi_wiki

IBM Navigator for i hostname:2001


IBM Navigator for i

IBM Navigator for i – dashboard view


Visual Explain

Index Advisor


Index Advisor



• Modern tooling

• All about SQL


• All about JSON

• Blockchain

• IBM Watson

• Wrap Up


Launch Run SQL Scripts from ACS

Launch Run SQL Scripts from RDi


Very Powerful! SQL Formatter and Insert from Examples

Insert from Examples!


SO many powerful functions!

Set Processing with SQL


Repurposing Your Business Logic

Create a User-defined Function from Existing Service Programs


Reference the UDF From Within Your Select Statement

SELECT CCMP, CCUSNO,

REVERSESTRINGFUNCTION01(CCUSNM) AS REVERSENAME

FROM CUSTMAST

ORDER BY CCMP, CCUSNO

SQL calls the RPG service program!


Eliminate database validation from the applications

PGM A PROCRTVITEM

PROCRTVITEM

PROCRTVITEM

PROCRTVITEM

PROCRTVITEM

PROCRTVITEM

PGM B

PGM C

PGM D

PGM E

PGM F

SQL Views – data centric






This hard coding can be replaced with a global variable

Fun Fact!




• Modern tooling

• All about SQL


• All about JSON

• Blockchain

• IBM Watson

• Wrap Up

Remove redundant code and modularize

PGM A PROCRTVITEM

PROCRTVITEM

PROCRTVITEM

PROCRTVITEM

PROCRTVITEM

PROCRTVITEM

PGM B

PGM C

PGM D

PGM E

PGM F


Remove redundant code and modularize

RTVITEMSVC

PGM A

PGM B

PGM C

PGM D

PGM E

PGM F

Service program RTVITEMSVC


Service program being used by RPG program

All admin is done through a browser

Step 1 – STRTCPSVR SERVER(*HTTP) HTTPSVR(*ADMIN)

Step 2 – From a browser go to http://hostname:2001/HTTPAdmin


All admin is done through a browser

Consuming the Service Returning XML Using a Browserhttp://10.100.10.190:10094/web/services/RTVITEMSVC2/itemclass/02


Web service results are shown using JSON



• Modern tooling

• All about SQL


• All about JSON

• Blockchain

• IBM Watson

• Wrap Up


Consuming the JSON Service Using Native SQL – Returns as Row Data

https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_73/db2/rbafzscajsontable.htm


http://ibmsystemsmag.com/Blogs/i-Can/January-2017/JSON_TABLE-Function/


select * from json_table(systools.httpgetclob('http://10.100.10.190:10094/web/services/RTVITEMSVC2/itemclass/02 ','<httpHeader><header name="Accept" value="application/json" /></httpHeader>') , '$' COLUMNS(Success VarChar(5) PATH 'lax $.SUCCESS',ClassDesc VarChar(30) PATH 'lax $.CLASSDESC',NumberofItems VarChar(3) PATH 'lax $.NUMBEROFITEMS',NESTED '$.ITEMLIST[*]'COLUMNS(ItemNumber VarChar(20) PATH 'lax $.ITEMNUMBER',Description VarChar(30) PATH 'lax $.DESCRIPTION',UnitOfMeasure Varchar(5) PATH 'lax $.UNITOFMEASURE' )



Programmable Web https://www.programmableweb.com/




• Modern tooling

• All about SQL


• All about JSON

• Blockchain

• IBM Watson

• Wrap Up


A new currency is born

https://bitcoin.org/bitcoin.pdf

http://www.learnliberty.org/blog/demystifying-bitcoin


https://en.wikipedia.org/wiki/Blockchain

Blockchain

Does Bitcoin equal Blockchain?

=

?


As significant?

ARPANET INTERNET

BLOCKCHAIN FUTURE OF BUSINESS

COMMUNICATION

https://www.itjungle.com/2017/04/10/blockchain-link-long-term-ibm-plan/


ibm.com/blockchain

Download a free 51 page book on Blockchain


Hyperledger - https://www.hyperledger.org/

https://www.ibm.com/blockchain/offerings.html


https://www-01.ibm.com/common/ssi/cgi-bin/ssialias?htmlfid=GIL12345USEN

Fortune Magazine – September 1st, 2017


Blockchain Developer Center developer.ibm.com/blockchain

Blockchain Developer Center developer.ibm.com/blockchain




• Modern tooling

• All about SQL


• All about JSON

• Blockchain

• IBM Watson

• Wrap Up

https://watson-api-explorer.mybluemix.net/apis/tone-analyzer-v3


https://watson-api-explorer.mybluemix.net/apis/language-translator-v2

https://www.itjungle.com/2016/09/27/fhg092716-story01/




• Modern tooling

• All about SQL


• All about JSON

• Blockchain

• IBM Watson

• Wrap Up

It’s Only the Tip of the Iceberg

Modernize !!!


THANK YOU !!!

Charles Guarino

Application Developer Modernization Jump Start

Date post:	30-Apr-2018
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Technology jumptstart final 2017 rev 12 for COMMON … Developer... · &rs\uljkw &hqwudo 3dun 'dwd...

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