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PowerBuilder 2017 R2 New Feature: Git source control support

In a previous blog article we looked at the new feature of PowerBuilder 2017 R2 for Subversion source control support. In this blog article we're going to look at a very similar feature, Git source control support.  I'm not going to go through the history of source code support in PowerBuilder again, I'd refer you to that previous blog article for that.  We're going dive straight in to how the Git feature works.

Setting up Git

For this demo, we're going to use Bonobo Git Server.  One reason I like it is because it provide a web based admin console for managing the server, so I don't have to use the Git command line to do that.

Because it's an ASP.Net application, the machine where we're going to install it must have IIS and the .Net Framework 4.6 installed on it.  To install Bonobo Git once you've downloaded it you simply need to:

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Comments (2)

  1. Michael Kiefer

Thanks for this article; it has been helpful.

I am hoping that Appeon improves the overall experience when working with Git as there are a few things that are less than ideal.

The workarounds for cloning/specifying the URL for the repo with some very-common GIT servers are a big problem. This is particularly true since after creating a new clone manually you must "Add to source control" files that are already in source control. This creates an unnecessary commit for what is essentially a "no change" situation. This could also lead to merge conflicts on binary files.

Fortunately, I found a workaround for this extra "Add to source control" step, which is to create the appropriate registry entries manually (or write a script to do it), so that the PB UI things the code is already under source control. For example:

Windows Registry Editor Version 5.00

[HKEY_USERS\S-1-5-21-1234567890-1234567890-839522115-2208969\Software\Sybase\PowerBuilder\17.0\Workspace\C:$dev$git$MyApp$myworkspace.pbw\SourceControlVersion2]
"Type"="Git"
"Name"=""
"ServerURL"=""
"LocalPath"="C:\\dev\\git\\MyApp"
"Author"="My Name"
"email"="myname@company.com"
"LogAllActivity"=""
"LogFilePath"=""
"AppenOverWrite"=""
"Comments"=""
"RefreshRate"=""

A better solution, would be for the PB UI to automatically detect that the workspace is located in a git repo and use the configuration information from the git repo directly instead of trying to maintain it separately in the registry.

I also dislike the fact that we are still storing binary files like PBLs -- particularly large ones -- in git. This is a very bad practice and leads to bad performance and huge repos. It should be possible to easily rebuild a PBL from a set of text-based source files (i.e. *.pbg, *.sr*). Unfortunately, it seems that the direction with PB2017 R3 is to go the opposite direction and eliminate the pbg files all together.

 
  1. Michael Kiefer

In case anyone wants the script for the above:

Function New-GitCloneForPowerBuilder { [CmdLetBinding()] Param( [Parameter(Mandatory = $true)] [string] $RepoUrl,

[Parameter(Mandatory = $true)] [string] $CloneLocation,

[Parameter(Mandatory = $true)] [string] $RelativePbwPath )

$pushedLocation = $false try { $ErrorActionPreference = 'Stop'

git clone $RepoUrl $CloneLocation $CloneLocation = Resolve-Path $CloneLocation Push-Location $CloneLocation $pushedLocation = $true

#get Git settings as set by the clone because we need to put them in the registry for PB $userEmail = git config --get user.email $userName = git config --get user.name

#Verify the workspace element exists $registryRoot = "HKCU:\Software\Sybase\PowerBuilder\17.0\Workspace" if (-not (Test-Path $registryRoot)) { New-Item -Path $registryRoot -Force| Out-Null }

#Create the specific workspace element $registryPath = $registryRoot + '\\' + ((Resolve-Path (Join-Path $CloneLocation $RelativePbwPath)) -replace '\\', '$') if (-not (Test-Path $registryPath)) { New-Item -Path $registryPath -Force | Out-Null }

$registryPath = $registryPath + '\\SourceControlVersion2' if (-not (Test-Path $registryPath)) { New-Item -Path $registryPath -Force | Out-Null }

$properties = @{ "Type" = "Git"; "Name" = ""; "ServerURL" = ""; "LocalPath" = $CloneLocation; "Author" = $userName; "email" = $userEmail; "LogAllActivity" = ""; "LogFilePath" = ""; "AppenOverWrite" = ""; "Comments" = ""; "RefreshRate" = ""; } foreach ($p in $properties.Keys) { New-ItemProperty -Path $registryPath -Name $p -Value $properties[$p] | Out-Null }

} catch { throw ("Unable to setup Git repo clone for PB workspace {0}`n{1}" -f $_.Exception.Message, $_.InvocationInfo.PositionMessage) } finally { if ($pushedLocation) { Pop-Location } } }

 
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PowerBuilder 2017 R2 New Feature: Subversion (SVN) source control support

PowerBuilder's initial support for version control systems required drivers for specific vendors (e.g., PVCS) and often for specific versions of that vendor's products.  It was not unusual to find that you needed to wait to upgrade your source control product until PowerBuilder released an updated driver for it.  And if your source control provider wasn't supported by PowerBuilder you were simply out of luck.

 

 

That changed with PowerBuilder 6.  With that release, PowerBuilder abandoned the vendor specific drivers in favor of the recently introduced Microsoft Source Code Control Interface (MSSCCI).  Essentially an ODBC for version control, it freed the IDE from vendor lock-in.  Provide the source control provide provides an MSSCCI complaint interface, or there was a 'bridge' product available that could convert MSSCCI calls into the source control providers native API calls, PowerBuilder could use the product.

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Comments (4)

  1. Maurice Losier

Hi Bruce,

Great write up it did help put everything in context. I'm looking to move to R2 for the benefit of no proxy / svn. My challenge is that we have over 10 years of History origanally from CVS and migrated to SVN. I'd like to maintain history but obviously we don't have the right structure. Any opinion strategy etc. would help

 

 

 
  1. David Sutton

While I love the idea of a move towards a native client we will still need MSSCCI support until this native client becomes more feature complete.

Can you confirm that MSSCCI support is still functional and has not changed in R2?

 
  1. Bruce Armstrong

We did our migration from PVSC to SVN back in 2009, and we used the SVNImporter tool to convert over our existing repositories.

https://polarion.plm.automation.siemens.com/products/svn/svn_importer

They have a version there for CVS as well. It worked quite well in our experience.

 

 
  1. Bruce Armstrong

Nothing in MSSCCI has changed.  You can still continue to use that.

I'm curious as to what features you think it's missing that are preventing you from moving to it.  Anything you can't do in the PB IDE you can still do through TortoiseSVN, it's just a tab bit more work.




 

 
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PowerBuilder 2017 R2 New Feature: REST

One of the new features added to PowerBuilder 2017 R2 is support for REST web services.  This feature isn't 100% complete, as additional REST functionality is planned for 2017 R3.  There's still a lot in the R2 release to look at though.

To make things simple for the demo, we're going to use a online REST web service called JSONPlaceHolder..  The service doesn't require creating an account or user authentication.  While the GET (retrieve) methods are fully functional the POST ( insert ), PUT/PATCH ( update ) and DELETE (delete) methods are placeholders.  They return result codes or in the case of POST the id value of the inserted row, but they don't actually modify the data.

Note that while REST web services can return data in any internet mime encodable format, the vast majority of them use JSON  and JSON is the only data format supported by the REST client object in PowerBuilder 2017.

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Comments (5)

  1. Hani EL Dabet

Dear Mr. Armstrong,

I am trying to consume a webservice using powerbuilder 2017R2. I have consume the same service in C# and trying now to do the same in powerbuilder. I have created a WCF proxy to access the web service and able to connect. However, in order to call any function I need to add soap header for the API key.  similar to the code in c#:

 //add a soap header for API Key
MessageHeader ApiMessageHeader = MessageHeader.CreateHeader("API_KEY", "http://tempuri.org;", API_KEY);
                    System.ServiceModel.OperationContext.Current.OutgoingMessageHeaders.Add(ApiMessageHeader);


string userName = "username";
string passWord = "xxxxxx.";
string Provider = "dsadsa";
calls the authenticate user
if the authentication is successful it will assign the token variable the appropriate value         

client.AUEAuthenticateUser(userName, passWord, Provider, ref token);

--------------

How to add soap message header in  powerbuilder before calling the method AUEAuthenticateUser.

 

Thanks for your reply

 
  1. Bruce Armstrong

Please post this question in the regular forums.

 
  1. Chris Pollach

Hi Bruce;

Great article .. thanks!

Just a minor point .. the JSON returned must be formed within array brackets ... for example:

[


{
"userId": 1,
"id": 1,
"title": "sunt aut facere repellat provident occaecati excepturi optio reprehenderit",
"body": "quia et suscipit\nsuscipit recusandae consequuntur expedita et cum\nreprehenderit molestiae ut ut quas totam\nnostrum rerum est autem sunt rem eveniet architecto"
}

]

  If not, the DWO data transformation will not occur.

Regards .. Chris

 
  1. Richard Bianco

Hi Bruce,

Enjoyed the article as I prepare for a presentation will be doing for the conference.

I'm in the (mundane) process of wiring up REST endpoints to datawindows and wanted to ask if there was anything I could do to help with coding for the REST improvements being delivered for PB2018? I'm probably re-inventing the wheel doing some of the same things you might be doing as I'm trying to write my own utility that takes an endpoint address say... https://api.binance.com/api/v1/klines?symbol=ETHBTC&;interval=1m and creating my own datawindow from the actual Json returned.

The code you have was helpful as a first step. Some changes I'd make are adding support for Json when there the Json isn't surrounded by [ ] and is only surrounded by { } .

Other things I'm trying to write into an ancestor are handling of more than two levels of hierarchy, adding support for boolean, and adding support for automatically converting numbers surrounded by double quotes to be converted to number/decimal in the datawindow. Right now I load the Json into a rough datawindow, then perform transformations on data and moving row by row to another datawindow and saving to database.

I don't have much experience with extending PowerBuilder (at internal level via PBNI) but ideally it would be cool to extend RestClient to handle some of the things I talked about. I downloaded your PBNISMTP project on GitHub and trying to figure it out. If you'd be able/willing to share that code with me- I'd be more than happy to provide enhancements made so you can decide if you want to incorporate them into the tool. I would be honored to think that some of my code made it into the actual release and would expect no compensation. Though if you want to hire me as consultant I'd work for a very reasonable rate (for PB developer).

You should have access to my email via the site but will post it here anyway as this page is member only: rich@displacedguy.com or displacedguy@gmail.com I'm not the best about responding quickly but would really appreciate a response. I have some time and can surely help with any work you have.

p.s I'm also working on a wizard type window that I provide REST endpoint address (like above) and parse the Json into datawindow allowing me to set column name, data type, etc., with as much info derived as possible. Also I'd add ability to generate a database table to store result and have ideas on defining the Json fragments (complex object types) into my database so the definition of Json is data driven. Yeah I have a lot on my plate but it's fun.

Sincerely,
Rich Bianco

  Comment was last edited about 2 days ago by Richard Bianco Richard Bianco

I don't know about the feasibility if this could really cover all situations of automatically creating the DataWindow from the endpoint, but boy if you could do that it would be so cool and save time!

 
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ALTERNATIVA PARA CONSUMIR WEB SERVICES REST JSON VERSIONES ANTERIORES (6.5, … , 11.5)

Con los nuevos sistemas una de las cosas que hoy en día escuchamos es: tenemos un web services donde puedes consultar…

Por lo que ante esta necesidad y teniendo un sistema desarrollado originalmente en powerbuilder 6.5 ( les traigo esta solución.

Un “consumer” de WS REST

Para hacer este ejemplo utilizaremos objetos no visuales, principalmente el objeto internetresult.

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Comments (2)

  1. miguel riveros

where it comesthe object  lib_json.

I get an error trying to create the visual interfase:

Error C0001 Illegal data type: lib_json

Undefined variable: json

Please help where I should do corrections to the example code 

 

 
  1. Alfredo Aldama

Hi,

You can comment this lines
//lib_Json...
//json..

With this you should retrieve since Web service

The lines commented above is for parse, and show in datawindow

 
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Most Popular Articles

Exporting Datawindows to Excel / Html without loosing Format

I have a function called "GuardarAExcel2()" which uses a step datawindow called "d_filafichero". With this function you generate an excel with the same visual aspect as your datawindow. I hope it helps you:

Example of use:

GuardarAExcel2( dw_1, "c:\Report.xls")
GuardarAExcel2( dw_1, "c:\Report.html")

Result in datawindow:

 

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Comments (15)

  1. Byron Guaman

Hola Eduardo G, intento ejecutar tu funcion pero falta el objeto ds_datastore, puedes publicarlo por favor para probar tu funcion saludos.

 
  1. Eduardo G.

Hola Byron, ds_datastore (UserObject) está heredado de datastore, puedes reemplazarlo por lo siguiente:

Hello Byron, ds_datastore (UserObject) is inherited from datastore, you can replace it with the following:

datastore dsHTML
dsHTML = CREATE datastore
dsHTML.DataObject = "d_FilaFichero"
dsHTML.ImportFile( Text!, spRuta )

Un saludo.

 
  1. jhon sparky

hello eduardo G,

it's work for me..but all border in cell not view..still loosing format..

 
  1. Leonardo Velazquez

Hola.... muchas gracias por el aporte.... en Chrome se ve muy bien... pero en Excel me divide en 2 renglones cada registro.... 

http://i304.photobucket.com/albums/nn178/leviatanMX/reporte.png

 
  1. Eduardo G.

Hola,
Te ocurre debido a que los objetos column que tienes en el detail no deben de estar a la misma altura o tienes alguno superpuesto a otro. Es muy aconsejable que los objetos no estén uno encima del otro para que funcione correctamente.

Un saludo.

 

Hello. Hi,
It happens to you because the column objects you have in the detail must not be at the same height or you have some superimposed to another. It is highly advisable that the objects are not on top of each other for them to function properly.
A greeting.

 

Buenos dias amigo me sale error en la funcion F_global_replace .

podrias especificar el tipo de valor y sus argumentos. Gracias es muy importante poner a prueba tu funcion 

 
  1. Eduardo G.

 

//f_global_replace(fuente,buscar,poner)

/*

Argument Type >> Argument Name

string >> source

string >> look_for

string >> replace_with

Return Type string

 

A String Occurrence Search and Replace Routine

The following code demonstrates a string occurrence search and replace routine.

This routine works generically for any string. For example, 

if old_str = "red" and new_str = "green", all occurrences of 

 "red" inside of mystring will be replaced with "green".

*/

int start_pos=1,len_look_for

len_look_for = len(look_for)

 

//find the first occurrence of look_for ...

start_pos = Pos(source,look_for,start_pos)

//only enter the loop if you find whats in look_for

DO WHILE start_pos > 0

//replace look_for with replace_with ...

source = Replace(source,start_pos,Len_look_for,replace_with)

//find the next occurrence of look_for

start_pos = Pos(source,look_for,start_pos+Len(replace_with))

LOOP

return source

 

 

 

 


// Función: f_cuenta_char

// Descripción: Cuenta todas las ocurrencias de as_char en  la cadena as_source

// Ambito: publica

// Argumentos: as_source {cadena de la que se desea borrar las ocurrencias de as_char}

//    as_char   {caracter a ser contado de la cadena as_source}

// Retorna: Integer {numero de ocurrencias encontradas}

//////////////////////////////////////////////////////////////////////////////////////

int li_pos

int ncuenta=0

 

li_pos = Pos (as_source, as_char, 1)

do while li_pos > 0

ncuenta+=1

as_source = Left (as_source, li_pos - 1) + &

Right (as_source, Len (as_source) - li_pos)

li_pos = Pos (as_source, as_char, 1)

loop

 

return ncuenta

 
  1. Eduardo G.

Ya lo tienes :-D

 
  1. Ivan Mesarc

Hello, it does not respect custome date format for datetime columns. Could you help please?

Thanks

 
  1. Eduardo G.

Hello, check the block "// Prevent text with / convert to date" to adapt it to your needs.
A greeting.

 
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Using PowerBuilder 2017 with TFS source control

This article is a guide to connect Powerbuilder 2017 with TFS. It is important to follow the steps in the order listed in the article.

The prerequisite includes

  • PB17 installed on a local machine.
  • TFS server running with access to the user. A collection is required where the code will be checked in. 

Next follow the below points:

  1. Team explorer 2013 : Yes the first thing needed is to install Visual studio team explorer. I know the first question pop ups in mind is if Visual studio needs to be installed on every machine !! Well the answer is NO. All you need is Team explorer 2013 to access the TFS. Second question is why 2013 ? Well there comes the 32 bit and 64 bit compatibility issues, moreover there is no standalone installer for Team explorer 2015. If you figured out a way to do it with later versions, then mention it in the comments. 
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Comments (7)

  1. Frank Frey

Nice article. Would this also be applicable to PB12.6 classic?

 
  1. Nasir Ahmad

Yes, It should work for 12.6 classic version and 12.5 as well. 

 
  1. Vollie Sanders Jr

Question I have is what TFS server version do we need to use, Corp office has TFS2010 and TFS2015. will ether of these work?

 
  1. LUIS GUTIERREZ

Frank, I am writing a similar document for PB 12.6 with TFS2017 (server), using VS2015. I hope to share it soon. My initial recommendation for you, is to create a folder for each PBL.

 
  1. Nasir Ahmad

TFS2015 server will work as per my knowledge since MSSCCI and team explorer i tested was for TFS 2013, which worked for TFS 2017.  

For earlier versions of TFS you test and find MSSCCI, Team explorer which are compatible with that version. 

 
  1. Van Sederburg

Worked perfectly!

 
  1. Armeen Mazda

Another way to use PB 2017 with TFS is to switch the repository from the legacy TFVC to Git. With recent versions of TFS the default repository is actually Git, and Microsoft recently acquired GitHub. The advantage of switching is that PB 2017 natively interfaces with Git rather than using the legacy MSSCCI interface, which gets you support for more source control features and faster performance of source control operations.

 
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The ClassDefinition Object (Part 1)

The ClassDefinition object was introduced in PowerBuilder 6.0 a long time ago. It allows you to retrieve information for an object at runtime. Most of us didn't pay too much attention to this object and it only attracts our attention when we see it in the debugger.

In this article I provide an overview of the ClassDefinition object and related objects and explain the most important properties of these objects. I also include a step-by-step guide on how to build a simple object browser. This browser has a limited functionality like the browser included in the PowerBuilder runtime environment and can't replace products like PBLPeeper by Terry Voth or PBBrowser by OOWidgets.

The ClassDefinition Object Hierarchy
The classdefinitionobject is a descendant of the pbtocppobject. It's the ancestor of all the other objects used to describe the PowerBuilder objects. Each object in PowerBuilder has one property named ClassDefinition that references the ClassDefinition of this object.

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Comments (0)

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Refactoring Classic PowerBuilder Applications Using TDD and pbUnit

The migration march to PB 12.NET will have many shops revisiting legacy applications. In my previous article, "Refactoring Is Not an ‘R' Word" (PBDJ, Vol. 16, issue 12), you read why refactoring code before migration helps ensure smooth migration and enterprise integration. You were introduced to Test Driven Development methodology and saw how you can use it to ensure successful refactoring. You were also introduced to pbUnit, an open source tool and framework that you can use for both refactoring and developing new code in PB Classic applications. In this article I'll guide you through installing pbUnit and help you master the basic algorithm when refactoring your PB legacy code with pbUnit and test driven methodology.

Installing pbUnit and Configuring Your App: The Nuts and Bolts
In addition to installing and using pbUnit with Classic PowerBuilder to run unit Tests, you'll also learn how to get your code under test so you can go about refactoring your code with confidence. After that, I'll show you how to do a couple of refactorings to thin out a GUI and partition business and data logic

Now is the time to take that old code and whip it into shape. You suspect that unit test drive development has some merit and would like to try it out. This article will show you how to get started.

There are a couple of ways you can get your hands on pbUnit. You can download a PB v10.2 version from the Sybase CodeXchange. This version will migrate without error to version 10.5, 11.x or 12.0 Classic. Point your browser to http://www.sybase.com/developer/codexchange, then proceed to the PowerBuilder section and find pbUnit. You'll want to take version 3.2. Alternatively, if you want me know that you're trying out TDD, you can drop me an email and I'll send you a zip with a PB 12.0 compatible version. I didn't change the doc since I didn't make any changes to the code. I upped the version number on my zip to 3.3 to indicate the change.

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Comments (0)

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Follow link https://my.visualstudio.com/Downloads?q=team%20explorer%202013

You need a Microsoft account to download Visual studio Team explorer. It's a free account and free download, Install the DVD option if it asks. Online installation sometimes causes problems if your computer has pre requisite software missing. 

  1. MSSCCI: The way it works is that PB requires MSSCCI to connect with TFS. Use the below link to download and install it :

https://marketplace.visualstudio.com/items?itemName=TFSPowerToolsTeam.MicrosoftVisualStudioTeamFoundationServer20132015M

Make suer it is 32 bit as PB17 is a 32 bit IDE. 

  1. Add project in Team Explorer:  Open Team explorer 2013 and add project/collection from your TFS server. 
  2. Configure Powerbuilder 2017: Open your workspace in powerbuilder. Go to properties of workspace >> Source Control.
    1. In the source control  system use Microsoft team foundation server. 
    2. Provide your windows login credentials in User ID.
    3. Click on the ellipse button beside Project:. It should automatically select the project you choose in step 3. If not so then do it manually by selecting the TFS server and then server path from the popup screen. 
  3. Add to source control:  Once the Powerbuilder shows in output that source control is ready, right click on the workspace and hit Add to source control. It will ask if if multiple files are to be checked in, press OK. 

You are done with the connection ! Put down the comments mates yes

Comments (7)

  1. Frank Frey

Nice article. Would this also be applicable to PB12.6 classic?

 
  1. Nasir Ahmad

Yes, It should work for 12.6 classic version and 12.5 as well. 

 
  1. Vollie Sanders Jr

Question I have is what TFS server version do we need to use, Corp office has TFS2010 and TFS2015. will ether of these work?

 
  1. LUIS GUTIERREZ

Frank, I am writing a similar document for PB 12.6 with TFS2017 (server), using VS2015. I hope to share it soon. My initial recommendation for you, is to create a folder for each PBL.

 
  1. Nasir Ahmad

TFS2015 server will work as per my knowledge since MSSCCI and team explorer i tested was for TFS 2013, which worked for TFS 2017.  

For earlier versions of TFS you test and find MSSCCI, Team explorer which are compatible with that version. 

 
  1. Van Sederburg

Worked perfectly!

 
  1. Armeen Mazda

Another way to use PB 2017 with TFS is to switch the repository from the legacy TFVC to Git. With recent versions of TFS the default repository is actually Git, and Microsoft recently acquired GitHub. The advantage of switching is that PB 2017 natively interfaces with Git rather than using the legacy MSSCCI interface, which gets you support for more source control features and faster performance of source control operations.

 
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