Build a DB2 for z/OS Mobile Application

Build a DB2 for z/OS Mobile ApplicationJane Man, IBM

Session Code: AP7

Thursday, Sept 17 11:15am – 12:15pm

Platform: DB2 for z/OS

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Agenda

• Mobile Architecture

• System z – the best platform for mobile apps and data

• IBM MobileFirst

• 2 working use cases• Calling a SQL statement

• Calling a stored procedure

• Summary

3

System z information management End-to-End Architecture for Mobile and Cloud Application invoking z Services using APIs

Previously known as : IBM Worklight

Agenda



• IBM MobileFirst



• Summary

5

6

From the complexity of many…

Multiple sets of tools & frameworks Four codebases to develop and maintain

To the simplicity of one

One development environment One codebase to develop and

maintain

IBM Worklight

AndroidApple

Windows

PhoneAndroidApple

Blackberry

Blackberry

IBM MobileFirst Platform – Integrated development and continuous delivery of mobile applications

IBM MobileFirst 7 Studio

• Native applications for• iOS

• Android

• Windows Phone 8

• Windows 8

• Hybrid development

• Server-side development(adapters)• SQL Adapter

• HTTP adapters

• Java adapters

• ……

• Mobile Console Browser

• …much more7

MobileFirst Server

Adapter 1

Adapter 2

….

Enterprise

(back end)

Database

Web services

….

IBM MobileFirst Development Environment

MobileFirst Platform Studio -Eclipse plugin

8

Command line interface (alternative to Studio)

MobileFirst Plaform Developer Studio – Installation

• JRE 7 (Note: Oracle JRE 7 is required for developing Android native app)

• Install Eclipse IDE for Java EE Developers installed: Juno SR2 (4.2.2), Kepler SR1 (4.3.1), Kepler SR2 (4.3.2), Luna SR1 (4.4.1), or Luna SR2 (4.4.2) Third Topic

• Start Eclipse, and then select Help > Eclipse Marketplace.

• In the Find field, type “MobileFirst Platform” and click Go. • In the Find field, type “MobileFirst Platform” and click Go.

• Optional : IBM Dojo Mobile Tools and IBM jQuery Mobile Tools

• JCC driver (DB2 connect)

• (Optional) Android development : Android SDK, ADT Eclipse plug-in, creating Android Virtual Device

(https://developer.ibm.com/mobilefirstplatform/install/#studio)9

Agenda



• IBM MobileFirst



• Summary

10

Use Case 1: SQL statementFind string from string id in SYSIBM.SYSXMLSTRINGS table

11

SELECT STRINGID, SUBSTR(STRING,1,60), IBMREQD

FROM SYSIBM.SYSXMLSTRINGS;

Client development using studio

• Create a new MobileFirst Project: File>New>MobileFirst Project, select “Hybrid Application”

12

index.html

main.js

Sever side Pre-req for SQL adapterAdd DB2 info to server.xml

13

sever.xml

Server Side development – Creating a SQL Adapter

• File>New>MobileFirst Adapter

14

Hello2DB2Adapter.xml

Creating a SQL Adapter – cont’dHello2DB2Adapter-impl.js

• deploy a adapter: Right-Click the adapter>Run As>Deploy MobileFirst Adapter

• Test a adapterRight-Click the adapter>Run As>Call MobileFirst Adapter

Test a SQL Adapter

Right-Click the adapter>Run As>Call MobileFirst Adapter

Result:

What is this?

How to use the adapter result?

main.js

Build all Environments

• Right click <apps>Run As>Build All Environments

• Select iPhone, iPad, Android phones and tablets

18

MobileFirst Console

• Right Click <project> > Open MobileFirst Console

19

MobileFirst Console (cont’d)

20

Run on Android Native Emulator

• (require Android SDK, ADT Eclipse plug-in, creating Android Virtual Device)

• Right Click <project><apps>Android>Run As>Android Application

21

Use Case 2:Calling a Stored Procedure

22

RUNSTATS

RUNSTATS – SQL adapter

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RunstatsSQLAdapter.xml

RunstatsSQLAdapter-impl.js

Call external REST API – Yahoo Weather API(i.e. SQL Adapter is NOT needed)

24

Main.js

Call external REST API – Yahoo Weather API – cont’d

25

Pitfalls – Oops!

26

Java 8

SELECT

SYSTOOLS.BSON2JSON(DATA)

from JSONPO WHERE ID= 101

SELECT XMLPO from

XMLT1 WHERE ID= 1

SELECT XMLCAST(

XMLQuery('/PO/items/item[1]/productName'

passing XMLPO) as VARCHAR(25))

from XMLT1 WHERE ID= 1

SELECT JSON_VAL(DATA,

'PO.items.item.0.productName', 's:20')

from JSONPO WHERE ID= 101

Agenda



• IBM MobileFirst



• Summary

27

28

28

Summary

DB2 for z/OS is the perfect

environment for developing a

mobile transaction and

analytics integrated solutions

IBM MobileFirst provides an

integrated framework to

develop and test of DB2 for

z/OS mobile applications.

Jane [email protected]

Build a DB2 for z/OS Mobile ApplicationAP7

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