It’s a very common practice to display the number of active users of a web application. WebRatio gives you the possibility to easily get the number of users which are currently navigating your Web application and add this feature to your Web application. The solution proposed in this article ...

This kick start guides you through the modeling of a Web application using WebRatio Platform 9. The Web application you will model, will help you manage your daily tasks and your business contacts.

The Java Naming and Directory Interface (JNDI) is an API for directory service that allows clients to discover and lookup data and objects via a name. Like all Java APIs that interface with host systems, JNDI is independent of the underlying implementation. Additionally, it specifies a service provi...

The Connect Operation is an operation used to enable the association between instances of two entities (the source entity and the target entity), connected by a specific relationship role. This article guides you to the usage of the Connect showing also a working example.

In the Domain Model you can define BLOB attributes to store files. This type of attribute is objectified using an instance of a particular object implementing the RTXBLOBData Interface. This type of object gives access to some properties such as the name, lenght and extension of the wrapped BLOB....

WebRatio Platform gives you the chance to add a Captcha control to the forms of your Web Project. Read this article to know more about the Captcha control.

This article can help you on BPM basic features using WebRatio Platform, or refresh your memory on how to use it. You will also find a quick reference for the Business Process Modeling Notation (BPMN), the standard adopted for business process modeling using a graphical notation based on a flowch...

WebRatio allows the user to define Context Parameters and to add Variables, these model elements are used to accomplish different tasks. Context Parameters are strictly related to session storage, as they save information in the sessionContext and make their content available for all the JSP sessio...

WebRatio Mobile lets you build Android apps that you can test on your mobile or submit to the Google Play Store. This article guides you through the build process, showing how to create a debug build and run and test the Application on your device.

This article explains step by step how to create the business process model of the "Computer Repair" process. You will see a brief explanation about the process proposed and then the procedure to create the process model in WebRatio using the BPM perspective.

A job is a sequence of operations that has to be executed asynchronously by the application. It's possible to schedule a job at a specific time or interval, which means that jobs can be automatically triggered (scheduled when the application starts). It's also possible to schedule a job at runtime: ...

Let's suppose that you want to deploy your project directly on the remote host that will contain the Web Application. You have to configure the Deploy Configuration that allows you to obtain the final Web Application package in order to be able also to upload the package on the remote host. This art...

Thanks to the WebRatio integration in the Eclipse environment, it's possible to easily debug a Web application without leaving the tool. Usually, debugging a WebRatio generated web application means testing the custom units that have been developed for your specific Web project. The Eclipse Debug...

To get the Web Application from your Web Project, you have to generate it. When a project is generated, the Application Server loads the corresponding Web Application. WebRatio uses Apache Tomcat as the default Application Server Apache. Tomcat implements the JavaServer Pages (JSP) and Sun Microsys...

IFML, the modeling language of WebRatio Platform, is built on very few, highly composable concepts, which can be used to assemble complex Web applications for publishing or updating content. The key aspect of IFML is the capability of defining a Web Model consisting of pages, view components, and op...

WebRatio Mobile Platform gives you the possibility of making continuous builds of your Mobile Projects. This can be very useful to schedule builds on a dedicated server and for instance get a new build every night. This process requires to create an Ant file that describes the result of the build o...

The WebRatio variables allow to configure the folder in which the Web Application of a Web Project will be generated when one of the following commands is used: Generate Full Web Project, Generate Selection, Generate Logic Descriptor Only, Generate Layout Pages Only. This articles describe which are...

Popups are a commonly used rich interaction. By using a popup you can open a new layer above the current main page. If the popup is set as “Modal”, it also prevents any interaction with the rest of the web application. When the popup window is closed, the underlying main page becomes active again, a...

The Domain Model Utility Component is available starting from the WebRatio 5.1 version. It's a hybrid unit, which means that it can be placed in every View (Site View, Module Definitions View, Service View). It permits to retrieve information about entities and relationship of the Domain Model....

In the Domain Model you can define BLOB attributes to store files. A common issue related to BLOB attributes is to show a dialog for the download of the blob data as a file. You can consider as a solution to change the layout template to use the Content Disposition feature, which forces the "Sa...

This article explains step by step how to create the business process model of the "Travel Order" process. You will see a brief explanation about the process proposed and then the procedure to create the process model in WebRatio using the BPM perspective.

When designing Web Projects, often the use of static values are required, such as values of conditions, passing of static values in Links Coupling, values in configuration Properties of the Units, etc. The problem of the usage of static values is that they may vary according to the environment in wh...

In Apache Tomcat, the Manager element represents the session manager that will be used to create and maintain HTTP sessions as requested by the associated Web Application. Read this article to know how to disable the Persistent Session Management in any Tomcat installation.

Sometimes may happens that a user has to access to a content and depending on some parameters or actions that content has to change. By the alternative pages,it's possible to decide which content has to be shown depending on one or more conditions defined at run time. Alternative element is usefu...

This article is a step by step tutorial to guide you in the management of Signing Identities and Certificates. You need to read, understand and accomplish each step reported to be able to build iOS application in debug and release mode.

WebRatio Mobile lets you build iOS apps that you can use for test on your mobile or for submission on the Apple Store. This article guide you through the build process showing both the debug and release mode and gives you the information required to publish an iOS app.

The Mail Operation permits users to send personalized emails to each destination address. The email body can be dynamically computed, replacing placeholders in the defined templates with the real content. The email body can also contains images. This article explains how you can use images static a...

The WebRatio pageContext is a particular data structure which is created everytime the user performs a request in a WebRatio generated Web application. It's a map that contains information used in the computation of all the Units contained in the requested destination page and it is stored in the JS...

WebRatio Mobile Platform gives you the possibility of making continuous builds of your Mobile Projects using predefined buildfiles bundled in WebRatio installation. This possibility can be integrated in continuous integration environments like Jenkins. This tutorial guides you through the setup and...

People have a habit of using the same password over and over, and so hashing the password in the database it is a best practice that you should use to protect this information from attacks. In fact, if the database of your Web application is accidentally compromised, your organization will not be th...

It is possible to execute the business logic contained in an Action Definition directly from a Script Utility Component. To execute an Action Definition in a Script, you must use an instance of the RTXOperationUnitService, which is the Java service that describes the behavior of a generic Action De...

WebRatio Store is a place where you can search for items (projects, styles, templates, units) and use them in your applications, or even publish a new item and share it with all WebRatio Store users. WebRatio Store is accessible through the "WebRatio Store" icon located inside WebRatio or from th...

The WebRatio Client Runtime is the ECMAScript based execution environment and core set of utilities that hosts client applications. It is a feature available starting from WebRatio 7. There is only a single implicit Runtime instance per Web browser window. The main customization is related to the lo...

WebRatio provides some properties that define the information regarding the runtime of your web application. RTXConfig.properties file is the properties file where you can configure your preferences. The RTXConfig.properties file contains information that control your work directory where the applic...

Rich forms are forms in which the user interaction triggers an event and the execution of a specific business logic. The aim is facilitate the form compilation and improve the user’s experience in the web Application. Many events can be managed to enrich the user’s interaction with a form, and some ...

WebRatio Mobile lets you build iOS apps that you can use for test on your mobile or for submission on the Apple Store. This article guide you through the build process, showing how to create a release build, prepare and submit the Application on the Apple Store.

The Query Component is available starting from the WebRatio 5.1 version. It's a Utility Component that permits to execute a custom edited query using the HQL(Hibernate Query Language) or SQL query language. Moreover it can dynamically compose an HQL query depending on the incoming Domain Model ident...

Atlassian Jira is software that helps to you in manage a project (https://www.atlassian.com/). You can capture and organize issues on the project, prioritize them, and take action on what's important, and stay up to date on what is happening with the WebRatio application. WebRatio Mobile Platform...

WebRatio Mobile Platform allows you to send push notifications from a Data Service project. To enable a project for push notifications, you need to add and configure a notification provider. The notification provider requires a specific configuration for each platform. For the iOS platform, you need...

Tomcat Application Server is able to manage by default all the ISO-8859-1 characters to encode URIs. If your Application uses characters that does not belong to this character set, you have to configure the Application Server or your Application in order to correctly manage them. If not config...

Autocompletion allows you to specify an information source to be used as a suggestion for the fill-in of a text field. In this way, the user can type only the initial letters of the word or of the value to be inserted in the field. The Web application shows different options from which the user can ...

The Periodical Page Refresh is a feature that allows you to add a trigger to a navigation flow with the selective refresh enabled. In this way, it’s possible to automate clicking on a link to update some information in real time. This feature is very useful when you need to execute a business logic ...

Atlassian Jira is software that helps to you in manage a project (https://www.atlassian.com/). You can capture and organize issues on the project, prioritize them, and take action on what's important, and stay up to date on what is happening with the WebRatio application. WebRatio integrates with...

WebRatio provides some properties that define the information reguarding the runtime of your web application. RTXConfig.properties file is the properties file where you can configure your preferences. The RTXConfig.properties file contains information that control your work directory where the appli...

Reloading an entire page can be expensive in terms of computational costs: it means recomputing all the components contained on a page and the queries included in them. This operation can take some time and have a significant impact on performance. For this reason, a partial refresh of the page can ...

Working with templates allows you to make customization with number patterns. Suppose that you do not want to use the separator symbols for numbers according to the current locale, but you want to use custom character (unusual for separators). You just have to create a custom attribute template that...

The Reconnect is an Operation Component used to modify the association between instances of two entities (the Source Entity and the Target Entity), connected by a predefined Relationship Role. The Reconnect can manage single instances or sets of instances in order to connect or disconnect one in...