F.Marchioni

Hibernate Data Filters

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Filtering data is one of the most common Task of an application. This is usually achieved by adding WHERE clauses to your queries. In case the filters are defined dynamically by the user it becomes a more complex issue. A very powerful option for creating dynamic conditions to your applications are Criteria API, however it’s … Read more

How to enable cascade delete/update?

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One of the key features of relational database is referential integrity which is maintained by the system by taking certain actions when referential constraints are violated. So for example what happens when: 1) A row with a referenced primary key is deleted from the referenced table 2) A referenced primary key is updated in the … Read more

JBoss vs Oracle middleware: my line

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I’ve recently come across a blog post on Oracle site where JBoss EAP 6 platform and Oracle 12c are compared. Although not working for RedHat/JBoss I do am engaged with JBoss stuff but I’ll try to be as more independent as possible. The biggest claim of this post is a  “Cost of ownership analysis” which … Read more

How to monitor JBoss with Jolokia

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Jolokia is a cool monitoring solution for accessing JMX MBeans remotely. It is different to JSR-160 connectors in so far as it is an agent based approach which uses JSON over HTTP for its communication in a REST-stylish way. As any monitoring solution, an agent is required to interact with the application. Multiple agents are … Read more

Quartz 2 tutorial on JBoss EAP and WildFly

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It’s time to learn new Quartz 2 API using JBoss EAP or WildFly. This tutorial shows how to create a simple Web application which will be deployed on the application server, triggering a Quartz Job. In the second part of it, we will show how to add an advanced configuration which includes a JDBC Job … Read more

Storing data in your JSF 2.0 application

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In this tutorial we will compare the available options for storing Object data into a Web application, showing at first the core JSF 2 scopes and the extension provided by CDI. Core JSF scopes JSF 2.0 specification defines the following scope scopes for storing data: @RequestScoped @ViewScoped @SessionScoped @ApplicationScoped @CustomScope Using the Request scope is … Read more

Categories JSF

JSF ViewScoped tutorial

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The @ViewScoped has been introduced by JSF 2.0 specification. In a nutshell the data which is @ViewScoped will keep living as long as you don’t navigate to another pagee to itself. The view scope is very convenient, since it allows the pattern of initializing data when you first access a page (via a non-faces request, which is typically a GET request) and then keep that data when you work on the page, doing postbacks, AJAX requests, etc.

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Categories JSF

Accessing Hibernate Session in JBPM 3

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This tutorial has been written for an old version of jBPM which is now deprecated. If you want to get started quickly with jBPM, we recommend the following quickstarts: jBPM 7 tutorial: getting started with the opensource BPM Developing a jBPM 7 Web application example Design jBPM Processes with Eclipse designer plugin Getting started with … Read more

JBoss Books

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WildFly Administration Guide WildFly is the most popular open-source Java application server. This book is an in-depth guide to the administration and management of the of the application server, covering all of the latest architectural and management changes such as: How to achieve High Availability of your WildFly cluster How to configure the newest subsystems (agroal, … Read more

Clustering JBoss AS 7

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Important Notice: There is a more updated tutorial about Clustering with WildFly Application Server: Clustering WildFly Application Server In this article we will show how to configure in a nutshell JBoss AS 7 for clustering. Then we will deploy a sample Java EE 6 application on the top of it. Earlier JBoss users used to … Read more