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Archive for October, 2011

EJB3.x JPA: How To Store An Image Or A Binary File As BLOB In Database

By Max Lam ⋅ October 24, 2011 ⋅ 8 comments

In this article, we will explore how to store any simple file in database through EJB3 JPA and how to code the property field and the proper annotation type in the entity class.
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EJB3.x in Glassfish: 3 Ways to Access Local Stateless Session Bean from EJB, JSP and Servlet

By Max Lam ⋅ October 16, 2011 ⋅ 2 comments

Glassfish is one app server where by accessing Local Stateless Session Bean is a somewhat “confusing” as compared to other App Servers. This post will show you 3 quick, easy, straight forward, no fussed and no debates different ways that you could access your Local Session Beans to get the job done. Yes, only Local Session Beans, NOT Remote Session Beans.
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EJB3 JPA: Dealing with Date, Time and Timestamp

By Max Lam ⋅ October 8, 2011 ⋅ 6 comments

Today, I feel the urge to document this. Yes, even though there had been ways which databases and Java JDBC driver/Persistent engines deal with Date, Time, DateTime, Calendar, Timestamp and whatever database data type or Java class types that represent dates and time and even time zone had long been there since the very beginning, but still many developers are often confused with how to persist fields that represents date, time, date-time or timestamp through EJB3/JPA. So, this article is mainly about 3 very simple ways that we could achieve this.
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