Ard gate - English

IntroductionInstallation of ArdGate

Configuration of ArdGateUsage of ArdGate

ArdGatethe Bridge from DB2 on ito all SQL Databases

Dieter Bender

Dieter Bender ArdGate



Who is Dieter BenderProblem to SolveThe Hammerfest Project

Who is Dieter Bender

WWW.BENDER-DV.DE - [email protected] Bender, 35435 Wettenberg, GermanyAS/400* consultant

Java, SQL, ILE RPG, COBOLApplication integration, Database

Training: Java, SQL, ILE RPGOpen source components

ArdGate: access any database from i with SQLAppServer4RPG: stable, scalable and fast RPG to Javaintegrationsome RPG components

*) AS/400 := AS/400 and all compatible systems





Problem to Solve

easy to go: access DB2/i from other platformsuse ODBC from Windows, Mac or Linuxuse DRDA inside the DB2 familyuse JDBC and Java from any platformdrivers and middleware are available as part of OS or freeware

easy to go: access other DB2 from ibut what about accessing other databases from i?

unload routines, ftp and CPYFRMIMPFremote callsthe handmade way





Problem to Solve








Problem to Solve








And Some Workarounds

needingadditionalserversproprietarycall interfacesno support ofquery toolsno supportfor RPG andprogrammingnot scalableand hard todo





The Hammerfest Project

Requirementsenable standard SQL interfaceslimited ressourcesOpen sourcefast, scalable and stable Javacalls from rpgno embedded Java in RPGrunning on a single boxextendablecould be monitored

Conclusionsimplement *ARDPGMuse Java where possibleuse JDBC driversone prestarted JVM servesmultiple clientsuse AppServer4RPGuse Java Version 1.5external configurationuse log4j






















































Why Hammerfest Project?

northernmost city of Europemidsummer nightfrom 19/5 to 26/73300 km from my home3 weeks time to think about




First Step: Get the SoftwareSecond Step: Install a LibraryThird Step: Install the Java Part

sourceforge.net/projects/appserver4rpg/

distributed withAppServer4RPGavailable versions:simply take thenewest!the ZIP file contains(nearly) all you need

















Installation of JVAGATE.LIB

unzip to a workingdirectorybring savefile toQSYS.LIBhave a first lookrestore the library























Some Hints

all user need execute access to the programmsall user need authority to add objects (DTAQs) to the librarythe system user needs acces to all objects in the libyou don’t need the library in any liblthe library could be renamed without problemsdon’t rename or change objects inside the librarythe library contains all sourcesthe distribution contains some programming examples





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Installing the Java Application

remember thecontents of theZipfileput the jar and thedirectories lib andconf to the IFS(default/JVAGATE)be sure that confand lib containwhat they should

















Some Hints

the system user needs access to the directoryyou may change the install locationdon’t change the structure of the installationprerequesite is Java 1.5 or betteryou don’t need the savf and the src folderyou could install the Java part to any other box, but then youwould need to change the startup process





Some Hints






Some Hints






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Some Hints






Some Hints





First Step: The Native PartSecond Step: The DatabaseThird Step: The Java Part

JVAGATE.LIB Configuration

contents ofJVAGATE.LIBtell the native part,where the Java partis sitting- be carefull! Java iscase sensitive/JVAGATE is thepreconfigureddefault location





JVAGATE.LIB Configuration

contents ofJVAGATE.LIBtell the native part,where the Java partis sitting- be carefull! Java iscase sensitive/JVAGATE is thepreconfigureddefault location





The Remote Database Directory

adding an entrywithADDRDBDIREmultiple entrieswith diffrent namescould register thesame *ARDPGM





The Remote Database Directory

adding an entrywithADDRDBDIREmultiple entrieswith diffrent namescould register thesame *ARDPGM





global.properties

where to findglobal.propertieshow to reach nativepartcopy exampleadjustdatabasenameadjust url





global.properties






global.properties






global.properties






global.properties





Starting and Ending ArdGateFirst Interactive SQLWhat is SupportedAdvanced Topics

Life Cycle of ArdGate

startingverifyendinghanging jobs



































select * from myJDBCDB

server is started?connectingselectprompter issupportedresultsdisconnecting









































Possibilities

STRQMQRY incl.to local outfilesupports DDL,DML, commitembedded SQLdynamic sqlcursor





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Aadvanced Topics

add or replacedriversreplaceAppServer4RPG.jarfor upgradebug informationmore infobug report:uncomment last line





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Summary

ArdGate enables real time access to all SQL Databases withembedded SQL in RPG at record level.ArdGate is installed and configured in less than 1 day.

Outlook (Nice to have!)Completing support of SQL features (positioned updates etc.).(I’m dreaming of) a DRDA based Bridge.





Questions?


Technology

Ard gate - English