Kenan Sevindik – Page 3 – BlogNotes from Kenan Sevindik

How to Start Working with Vaadin

- April 11, 2016December 28, 2020 - Kenan Sevindik

We are highly satisfied with Vaadin UI Framework in our enterprise Java projects. I recommend it to anyone who are asking advice about what UI framework to use in their enterprise web applications. This article,…

Observations about OData and Spring Data REST

- March 1, 2016December 28, 2020 - Kenan Sevindik comment

Recently I had a chance to spend some time reading about OData and experiment with Apache OLingo Project in order to understand what OData provides us with in terms of making our REST services more…

Design Patterns / English / Java / Spring Framework

Factory Method Pattern Implementation of Spring: FactoryBean

- February 17, 2016December 28, 2020 - Kenan Sevindik comment

Factory method pattern aims to encapsulate object creation process within a separate method in your system. That's why it is called as so. Factory methods can be created as either static or instance methods within…

English / Spring Framework

A Slight Difference Between Autowire byType and constructor

- January 18, 2016December 28, 2020 - Kenan Sevindik comment

Spring documentation states that both autowire byType and constructor modes expect at most one bean definition in the ApplicationContext, so that it can be autowired into the depending bean. Here is the excerpt taken from…

English / Hibernate/JPA / Spring Framework

A Transaction Gotcha When Using Spring with Hibernate

- January 16, 2016December 28, 2020 - Kenan Sevindik comment

Spring's transaction propagation rule SUPPORTS states that if there exists a transaction when the method is called, it should work within that transaction, otherwise it should work outside any transaction. Similarly, transaction propagation rule NOT_SUPPORTED…

Design Patterns / Design Principles / English / Software Engineering

What is the difference between Strategy and Template…

- January 11, 2016December 28, 2020 - Kenan Sevindik comment

In our Spring book, we discuss about transaction management mechanisms available in the Spring Framework, namely declarative and programmatic transactions. It is further explained inside programmatic transaction demarcation section, that how programmatic transaction can be…

English / Spring Security

Things to Fix When Upgrading from Spring Security…

- September 8, 2015December 28, 2020 - Kenan Sevindik comment

Some things have been changed in Spring Security 4.x compared to previous 3.2.x branches. They are not overwhelming but you may have to deal with them so that your application can work without any problem…

English / Java / JavaEE

Moving libraries of web apps into shared folder

- June 20, 2014December 28, 2020 - Kenan Sevindik comment

If you plan to move repeating libraries of your several web applications depend on, to a shared folder of your application server, I would definitely say NO! to this request. One of my clients asked…

English / Hibernate/JPA

Possible bug in Hibernate XML based mapping when…

- April 18, 2014December 28, 2020 - Kenan Sevindik comment

Assume you have a Person with firstName and lastName properties, and a subclass of it called as Vet. You will have hbm.xml mapping files with the following content. Person.hbml.xml <hibernate-mapping> <class name="com.javaegitimleri.petclinic.model.Person" table="persons" abstract="true"> <cache…

Eclipse / English

Error while generating JAXB Classes from XSD File

- April 18, 2014December 28, 2020 - Kenan Sevindik comment

You may get following error when you try to generate JAXB classes from your XSD files within Eclipse IDE. Error: Could not find or load main class com.sun.tools.internal.xjc.XJCFacade The reason for this error is that…