DelphiMVCFramework 3.0.0-hydrogen is out!


Yes! After 18 months of development, more than 10 contributors (with a special thanks to Ezequiel Juliano Müller) and more than 500 commits, DelphiMVCFramework 3.0.0-hydrogen is finally out! It is a big releases with a lot of changes, refactorings and new features. All the 2.x users are strongly encouraged to migrate to this version.

The latest version will be always available at this link. Please, check that the suggested installation procedure is different from the 2.x branch. You have just to download the zip from the previous link and put the paths in the Delphi libs path. That’s it! Then, you have Delphi Ent+ you can also install the IDEExpert, however the IDEExpert is not required to use the framework… it is just an helper.

To help the migration from the 2.1.x branch, we wrote the breaking changes list.

DelphiMVCFramework 3.0.0 breaking changes

  • XE6 and previous versions are no more supported.
  • RenderListAsProperty<T> has been removed from TMVCController. You can set such kind of specialized serializations in your custom base controller.
  • RenderJSONArrayAsProperty has been removed from TMVCController. You can set such kind of specialized serializations in your custom base controller.
  • Render has been removed from TMVCController (was deprecated).
  • Render(TJSONValue) has been removed from TMVCController (use Render(TObject)).
  • Trying to deserialize a TJSONNull the target instance will not be freed anymore (consistency with serialize).
  • The default JSON engine, used in the framework, is no more the Delphi built-in but the excellent JSONDataObjects (
  • Context.Request.BodyAsJSONObject dosen’t exist any more.

Use BodyAs<T> or the following pattern to migrate:

JSON := TJSONObject.ParseJSONValue(Context.Request.Body) as TJSONObject;
  if not Assigned(JSON) then
    raise EMVCException.Create('Invalid JSON');
  // do something here
  • TMVCConfigKey moved to unit MVCFramework.Commons.
  • TMVCMimeType was renamed to TMVCMediaType.
  • TMVCController.Render; no parameter method do not exist anymore. If the return is a ResponseStream, use the RenderResponseStream.
  • TMVCController.PushJSONToView; was renamed to PushToView and has been removed the SystemJSON dependency, use the ToJSON method if necessary.
  • There is no more a default view engine for Server Side Views (before 3.0 there was mustache).
  • Mustache engine is no more the only view engine available. Now you can implement all the view engines you need (check the serversideviewsprimer).
  • On Linux there is no built-in available view engine available. In other words, using only the built-in classes, you cannot use server side views on linux (dmustache is not compatible on linux).
  • HTTP File Upload doesn’t work on Linux because of a bug in Delphi 10.2.0 (
  • [MapperJSONNaming(TJSONNameCase.JSONNameLowerCase)] now must be changed in [MVCNameCase(ncLowerCase)]
  • [MapperJSONNaming(TJSONNameCase.JSONNameUpperCase)] now must be changed in [MVCNameCase(ncUpperCase)]
  • Removed LogEx and LogException. Use Log.ErrorFmt instead.
  • PushObjectToView has been deprecated. Use ViewData property;
  • PushDataSetToView has been deprecated. Use ViewDataSet property;
  • ViewModels has been renamed in ViewData[];
  • ViewDataSets has been renamed in ViewDataset[];

TRESTClient specific breaking changes

  • Every reference to TJSON* has been removed from the TRESTClient public interface. To port the existing code, you have to include MVCFramework.RESTClient.SystemJSONUtils and change your code as following:

lMyJSONObject := Response.BodyAsJsonObject.Clone as TJSONObject;
lMyJSONObject := TSystemJSON.BodyAsJsonObject(Response) as TJSONObject; try //use the object finally lMyJSONObject.Free; end;

  • The memory allocated for the TJSONValue descendant (e.g. TJSONObject, TJSONArray and so on) is no more managed by the TRESTClient itself but must be feed by the calling code.
  • DelphiStompClient has been removed from the core.
  • The following method is no more available in TMVCController.
    function GetNewStompClient(const AClientId: string = ”): IStompClient;
  • TMVCConfigKey.ISAPIPath has been substituted with TMVCConfigKey.PathPrefix and now is applicated to all kind of projects (not only ISAPI);
  • MapperSerializeAsString attribute is now MVCSerializeAsString
  • ContentCharset is no more available (everywhere). You have to properly set ContentType. To do that is available the function CreateContentType.



If you are on Delphi XE7+ there are no reason (apart time/money) to mantain a 2.x server. The change is smooth and simple. The DMVCFramework team already did portings for a lot of customers and the porting is a matter of hours, not days nor weeks…. just hours. Many users already did the change.


DelphiMVCFramework Book

Considering the high demand, I’m starting to write a DelphiMVCFramework book that will cover from the basic utilization to the advanced scenarios. The book will be available ASAP through the leanpub platform (






MockJSONAPI Server

Let’s say that you need to develop a REST client (e.g. mobile app, web client, web SPA or a desktop thin client) and you need some endpoints to use. The usual problem in this case is that you need to start to develop the server before you can show something to the end user. MockJSONAPI server solves this problem giving to the developer a bare-bone REST server with the standard CRUD interface. The data are stored into a single JSON file. You can start to develop the GUI prototype without worry about the actual backend. When you agree with your customer, then you can start to develop a proper backend.

MockJSONAPI is a mock server for a generic JSON API. It is built with Delphi and delphimvcframework. Can be used with any client technology and language (e.g. the server unit tests are in Python). When mockjsonapi server receives a requests it matches the request against the data.json that have been configured.

More Info

MockJSONAPI Server is a quite simple project but is really useful for all the developers that have to work with RESTful APIs.

More details and info at the project page.

DAPUG event in Denmark

Today and tomorrow I’ll be the speaker at the DAPUG event in Denmark. The title of the event is “DELPHI IN THE ENTERPRISE”. What is an enterprise application? Obviously there isn’t a measure to know if an application is enterprise or not, but the following needs usually require and enterprise level application.

  • Critical functionality
  • Large quantity of concurrently accessed data
  • Large number of screens
  • Integration with 3rd part systems
  • Conceptual dissonance
  • Complex business rules

In such scenarios we cannot just create a larger “small” application; you have to change your mindset and adopt new tools. The OO principles, design patterns and unit tests are the first step to get success in the enterprise field (and also in all the others smaller field), but what’s next? At the DAPUG event I’ll talk about the tools and the products that can help our Delphi system to be able to play well in the enterprise field.

From this idea, these are the topics covered at the DAPUG event in Denmark:

Tuesday day 1

Real-world Linux Development with Delphi
DMVCFramework 3: RESTful services and much more

Wednesday Day 2

The amazing Redis
Analysis and searches with ElasticSearch
Using ORM in Delphi
Logging done right; How to use and extend LoggerPro


I think that the topics are really interesting, we’ll see what will think the DAPUG members after the workshop 🙂


Stay tuned

ITDevCon 2017 – The Delphi European Conference

ITDevCon2016 logo

ITDevCon 2017 is coming!

As every year (but 2015), I’m building the agenda for next ITDevCon that will be held next October 11th, 12th in Rome (Italy), in the same location of the ITDevCon 2016 and ITDevCon 2017 spring edition: the bit Time group headquarter in Rome!

This will be the 8th conference edition and will be organized, as usual, by bit Time Professionals, part of the bit Time Group.


The call for papers are officially open right now, so if you want to propose some speeches, I’ll be glad to see them.

Send your Call4Paper to

I already received some C4P, I’ll reply as soon as all the tech comitee members will accept (or reject) the proposals.

As usual, for the Call4Paper I need:

  • Title (for every talk)
  • Abstract (for every talk)
  • Difficulty level (for every talk)
    • Difficulty level is a scale from 1 to 3 with the following mean: introduction, intermediate, advanced
  • Speaker’s photo (at least 500x500px)
  • Speaker’s profile

I’m looking forward to your proposal. The call4papers ends at Sep 24th, 2017 but if you have *VERY* interesting topic to propose, propose it… I’ll try to arrange the schedule and fit it in the agenda.

Proposals will be evaluated and the speakers will be contacted ASAP.


This year topics will be the following:

  • What’s new in the latest Delphi versions
  • Linux development
  • IoT (Internet of Things) solutions
  • FireMonkey platform
  • MacOSX development
  • Windows development
  • Mobile development (Android and/or iOS)
  • Develop UIs for different devices (smartphones, tablets, TV, watch etc)
  • Delphi best practices
  • Design Patterns
  • OOP best practices
  • Open Source Delphi Frameworks (Spring4d, DelphiMVCFramework etc)
  • Arduino, Raspberry Pi or others similar system
  • Web Application with Delphi
  • Integration with external systems
  • TDD and Unit Tests
  • Agile methodologies
  • ORM and other data access patterns
  • Using NoSQL databases (even to speed up your VCL software)
  • FireDAC advanced techniques
  • UI, UX, optimization for mobile and desktop
  • Real use cases for extended RTTI, Generics and Anonymous Methods
  • RESTful interfaces design and development
  • Architectures
  • Cool (dev) things that you are doing or that you did in the recent past


  • Software architects
  • Software developers
  • Project managers
  • IT managers
  • Trainers

The conference web site is

Up to Sep 17th you can get the ticket at the discounted early bird of 299.00 Euro. After that day the normal ticket price will be 359.00 Euro. Get it!

The ticket includes:

  • 2 conference days
  • Lunches (with very good italian food 😉 )
  • Coffee Breaks
  • Gadgets
  • Prize Draw


For this edition we at bit Time Professionals want to give some heavy discounts to some particular situations and people.

  • If you come to ITDevCon 2017 with others colleague from the same company (2 or more tickets bought by with the same invoice), you have 20% discount;
  • If you are less than 30 years old (up to 29 years old) you have 30% discount;
  • If you are less than 22 years old (up to 21 years old) you have you ticket for only 100€;

More information about discounts at the web site.


Do you want to see a particular topic or have a suggestion for ITDevCon2017? Let me know

As usual one of the most important part of ITDevCon will be the networking between attendees. I know about great collaboration born during ITDevCon. Be there and don’t miss this social opportunity!

Thank you and…  see you at ITDevCon 2017.

ITDevCon 2017 Spring Edition has been a success!

ITDevCon 2017 Spring Edition has been a success! Beyond the good crowd of loyal Delphi italian programmers that usually comes to ITDevCon, also a good number of new guys were coming to the “Spring Edition”. Maybe because the SE is shorter, maybe because all the speeches were in italian, maybe because the Linux support attracted new people… maybe for all these things (we are still giving a full meaning to the surveis took during the conference).

The “community” mood has been always present at ITDevCon, and the SE is not different. Here’s some photos taken by our official photographer Valentina.

All the other photos are available in the ITDevCon 2017 SE album on ITDevCon facebook page.

Thanks to our sponsors, the final raffle gets its usual success!

So a big thank you to:



Here’s some photos, check the full album ITDevCon 2017 SE album on ITDevCon facebook page.

The class during my speech about hard-core linux development with Delphi
The class during my speech about hard-core linux development with Delphi
Salvatore introducing columbusegg4delphi
Salvatore introducing columbusegg4delphi

Daniele Spinetti (a.k.a. Spinettaro a.k.a. Danielino) talking about RaspberryPI+Delphi controlling hardware.
Daniele Spinetti (a.k.a. Spinettaro a.k.a. Danielino) talking about RaspberryPI+Delphi controlling hardware.

Italian Food!!
Italian Food!!
Italian Food!!
Italian Food!!


See you at the next ITDevCon… the standard one!

ITDevCon 2017 Spring Edition

Yes, we did it!

As we anticipated at the last ITDevCon in Rome (oct 2016) in 2017 we organized another appointment with ITDevCon, called Spring Edition. The Spring Edition is shorter than the classic edition and it is only in italian language, but offers the usual high-level contents that the ITDevCon brand usually does.

Many users recognize ITDevCon as a “different” conference – it is more business oriented, more practical and more authoritative than many other conferences out there. We are glad of these opinions and we’ll do our best to mantain this situation. So, this year we want to test a different format and timing. To keep things simple, we organized the spring edition only in italian language (that’s it, all the speeches are in italian). Don’t be afraid, the standard ITDevCon conference will remain of 2 days in october/november timeframe and with the usual format and languages!

In this spring edition I’ll talk about the following topics (in italian):


I miei speech per ITDevCon 2017 Spring Edition

DelphiMVCFramework 3.0: l’evoluzione della specie!
Dopo oltre 7 anni di sviluppo ininterrotto DelphiMVCFramework è arrivato alla versione 3.0 ed è uno dei framework RESTful più popolari del mercato. Oltre ad avere nuove caratteristiche, la versione 3.0 si distingue per una serie di refactoring e componentizzazioni che la rendono più snella, veloce, potente ed estendibile. Inoltre, dmvcframework 3.0 aggiunge il supporto per Linux e per la serializatione automatica personalizzata. Anche solo ricompilando un progetto 2.x avrai un importante miglioramento delle performance. In questo talk vedremo cosa c’è di nuovo nella 3.0, tutti i cambiamenti rispetto alla 2.x e come sviluppare soluzioni dmvcframework per Linux. Se già conosci dmvcframework, o anche se vuoi conoscere uno dei framework RESTful per Delphi più popolari, non puoi perdere questo talk.

Delphi per Linux… ma per davvero! Segnali, servizi e daemon
Scrivere un’applicazione console che esponga un servizio TCP o che esegua altre operazioni in background sembra facile. Scriverla correttamente e secondo le best practices tipiche di Linux potrebbe non esserlo. Per chi viene da Windows la conoscenza di alcuni aspetti tipicamente Linux potrebbero fare la differenza tra un software professionale e uno che “da me funziona”. Ad esempio: come gestire i segnali Unix? Come gestire la concorrenza tra segnali? I miei interrupt software sono rientranti? Come far partire un daemon al boot? come farlo ripartire da command line? Come gestire il cambio della configurazione e il restart? Se il daemon dovesse andare in crash, come posso farlo ripartire in automatico? Come definisco le dipendenze tra daemon? In questo speech molto denso di informazioni daremo risposta a tutte queste domande con esempi su Ubuntu Linux scrivendo servizi per systemd (lo standard de facto per sistemi Linux moderni).

Trasforma un database relazionale in un vero decision support system con Elasticsearch
Quando la struttura dei dati è complessa, non strutturata o i dati da ricercare diventano tanti, il database relazionale non è più lo strumento adatto a gestirli in maniera efficiente. Anche il sistema più semplice genera dati non strutturati come log, testi descrittivi, campi “note” e altro. Ostinarsi ad utilizzare un database relazionale in uno scenario del genere è assolutamente controproducente e può comportare problemi di usabilità e performance per gli utenti finali. Tenere traccia dei dati non strutturati non è sufficiente a dargli un senso e a renderli una buona base per un DSS (decision support system). Ancora una volta, usare un database relazionale è una soluzione miope, antiquata e inefficiente al problema. ElasticSearch permette di dare un senso ai dati non strutturati, e/o non omogenei, in maniera efficace ed efficiente. In questo talk vedremo cosa è ElasticSearch e perché potrebbe aver senso integrarlo nella propria soluzione software. La possibilità di affiancare ElasticSearch ad un sistema esistente senza stravolgerne l’architettura attuale, rende la scelta di ElasticSearch vantaggiosa e indolore.

E’ possibile acquistare i biglietti per la conferenza direttamente dal sito.

Ci vediamo a Roma!


ANN: DelphiMVCFramework 3.0 beta

In the last months some of the great 9 DelphiMVCFramework contributors from all over the world, have worked hard to release the version 3.0. Now it is ready to be tested!


DelphiMVCFramework is one of the most popular RESTful framework for Delphi, so any change has been accurately considered and also its impact on the current 2.x projects has been take in consideration. There are a lot of new core features that will make even more easy to work on (and with) your beloved RESTful framework. Also, all these changes will make the framework even more flexible regarding the serializators even for custom types (yes, now you can register your custom serializer for your data types). Also, JSON is no more the only “built-in” supported format. Well, now JSON is the only format, but now is really easy to add to the serializers registry a brand new serializer which serialize in XML, YAML, BSON, CSV etc. The serializers are recicled between requests to get the maximum performances.

Considering that some often-used methods have been removed or refactored, we tracked all the breacking changes in a document, so that you can evaluate the impact that the new version may have on your projects.

Here the content of the document as it is today (the latest version is available here).

DelphiMVCFramework 3.0.0 breaking changes

  • RenderListAsProperty has been removed from TMVCController. You can set such kind of specialized serializations in your custom base controller.
  • RenderJSONArrayAsProperty has been removed from TMVCController. You can set such kind of specialized serializations in your custom base controller.
  • Render has been removed from TMVCController (was deprecated).
  • Render(TJSONValue) has been removed from TMVCController (use Render(TObject)).
  • Trying to deserialize a TJSONNull the target instance will not be freed anymore (consistency with serialize).
  • Context.Request.BodyAsJSONObject dosen’t exist any more. Use BodyAs or the following pattern to migrate.
JSON := TJSONObject.ParseJSONValue(Context.Request.Body) as TJSONObject;
  if not Assigned(JSON) then
    raise EMVCException.Create('Invalid JSON');
  // do something here
  • TMVCConfigKey moved to unit MVCFramework.Commons.
  • TMVCMimeType was renamed to TMVCMediaType.
  • TMVCController.Render (no parameter method) do not exist anymore. If the return is a ResponseStream, use the RenderResponseStream.
  • TMVCController.PushJSONToView was renamed to PushToView and Removed SystemJSON dependency, use the ToJSON method if necessary.

As you can see, the breaking changes are very few and there are very low probabilities that will require you more than 10 minutes to fix them even in a big DelphiMVCFramework 2.x project. I did it for our biggest projects, and 10 minutes are largely over-estimated.

Beta Tests

For the next weeks/months the 3.0 beta version will be available for testing. If no major bugs will be found, the 3.0 will be merged in the main branch.

To test the 3.0 beta version you have to checkout the “pluggable_mapper” branch (clone the repo if you didn’t already, and then checkout the “pluggable_mapper” branch).

You can go back to the 2.1.6 (carbon) when you finished the test. There is no reason to be afraid about the changes. They are really in the deep layers and should not affect the “normal” services.

Happy testing!


Considering all the help requests coming from the users (and the fact that facebook is not permitted in some companies) we at bit Time Professionals (the company which lead the development of DelphiMVCFramework and other open source Delphi projects) decided to create a specific community and leave the facebook group only for announces and polls.

Some of bit Time Professionals Open Source Projects
Some of bit Time Professionals Open Source Projects

So, if you need help about DelphiMVCFramework, LoggerPro, Delphi Redis Client, columbusegg4delphi, Delphi Event Bus, Delphi STOMP client, you can go to the bit Time Professionals Community and ask there. If you want to support the projects or you need fast responses, you can also subscribe to the “professional support” group (with a very low fee) and your requests will get priority upon the other by our engineers (which likely wrote 80% of the framework code). When possibile, the support team will send you a specific sample written specifically to show you how to solve your problem. The “professional” groups will be available soon. If you are interested about prices or other things related to the professional support, ask to professionals(at)bittime(dot)it.

Currently is just started, go to subscribe now!



Delphi 10.2 Tokyo: REDIS Client is ready for Linux (VIDEO)

Now that Delphi can compile for Linux, I’d like to show how to use Delphi REDIS client on Linux.
Redis is a very powerful key-value store server used by the biggest companies in the world. While it is very popular in web applications with thousands of concurrent users, also traditional desktop applications can benefits by REDIS.
If you need to speedup you application or if you want to optimize your data access layer, I suggest you to partecipate to one of our Delphi and REDIS training.
In this video I’ll use a sample project included with the Delphi REDIS client project to show how is possibile to use REDIS to integrate Delphi Windows application and Delphi Linux servers.

The Linux compatible version of Delphi REDIS Client will be available through GetIt ASAP.


Delphi REDIS Client

RAD Studio Tokyo 10.2 Live Preview events in Rome and Milan

Yesterday and the day before, I was been the presenter for the RAD Studio 10.2 Tokyo Live Preview in Rome and Milan. There were a lot of interested people. As we all know, the Linux support was really awaited for the last 15 years or so (since the kylix time frame) all this interesting was awaited.

During the event I talk about some of the Windows 10 additions already present in the last versions and then I focused the biggest part of the “show” on the Linux support. I come with a couple of virtual machine; the first with Windows 10 and the last beta version of RAD Studio 10.2 Tokyo and the second with an Ubuntu 16.04.2 LTS. The audience has been really excited about all the possibilities. Now you can deploy your Delphi code as console applications or Apache modules into your Linux box. At the time I’m writing the officially supported distributions are Ubuntu 10.x LTS and RedHat Enterprise 7, but the binaries should works also in other “similar” distribution (for instance I plan to test ASAP a Debian server).

At the end of the events there’s been the prize draw for a total value of 20K euros more or less.

Here’s some photos of the Rome event.

WhatsApp Image 2017-03-16 at 08.49.27 (1)


And the winners of the prize draw i Rome are…
WhatsApp Image 2017-03-16 at 08.49.25 (1)

WhatsApp Image 2017-03-16 at 08.49.25

Here’s the photos of the Milan event

WhatsApp Image 2017-03-16 at 18.11.40 (1)

WhatsApp Image 2017-03-16 at 18.11.42



And the Milan winners are…

WhatsApp Image 2017-03-16 at 18.11.40

WhatsApp Image 2017-03-16 at 18.11.49

WhatsApp Image 2017-03-16 at 18.26.10


RAD Studio 10.2 Tokyo is a really promising release. Considering the current subscription model and all the new features that can be added in a relatively short amount of time, I think that we will see a lot of new development in the Linux and mobile area in not too much time.

See you soon.









Delphi Redis Client available through GetIt Package Manager

Delphi Redis Client
Delphi Redis Client Logo

Since some days ago, Delphi Redis Client, the official redis client for Delphi, is available through GetIt.

You can get the library with just a click, now there aren’t reasons to be afraid by Redis utilization 🙂

More info and the (very simple) installation instruction at the dedicated page.

The official repository if on github