Author: Lucas Jellema
Recently I received an electronic copy of a new publication from Packt Publishing, one of the most active publishing companies in the area of (Oracle related) SOA technology. I …
It had been announced at Oracle Open World 2011 and sort of promised for December 2011 – a promise or at least a suggestion reiterated in early December even. …
Recently I gained access to an electronic copy of the just released Oracle Service Bus 11g Development Cookbook, written by five authors – all experts on OSB and three …
The requirement I was facing was simple: act on column reordering through user drag and drop in a rich table. More specifically: invoke a method in a managed bean …
Als je dit leest en je bent Oracle professional – ontwikkelaar of administrator – is de kans groot dat je jouw carriere bent gestart in de jaren ’90, in …
Aanstaande vrijdag 27 januari verzorgt Oracle ACE Director Alex Nuijten bij AMIS Services in Nieuwegein een Masterclass voor Oracle Database Developers: iedereen die met enige regelmaat SQL en/of PL/SQL …
Oracle’s product portfolio contains the Technology Adapters. A set of JCA Connectors that provide a bridge between various technologies – such as JMS, AQ, Database (SQL and PL/SQL), FTP …
Java Embedded activity can call a custom Java class that relies on 3rd party Java libraries. This means that a lot of existing functionality from the Java open source …
The objective discussed in this article is to post messages to a CometD Bayeux Channel with a standalone Java Class – without dependencies on CometD. For example to control …
In recent articles, I have introduced CometD as framework for Server to Client and Client to Client Push: Running CometD 2 examples – locally on Tomcat using Maven and …
Session state in Java Web application is associated with a single (user) browser session on the one hand and typically with a specific web application on the other (server …
EL expressions are one of the main driving forces for JavaServer Faces. Most dynamic characteristics of pages and widgets are governed by EL expressions. In JSF 1.x, there are …
Last year I wrote about JSoup, a Java library that helps with screenscraping: Screenscraping from Java using jsoup – effective data gathering from websites (https://technology.amis.nl/blog/13121/screenscraping-from-java-using-jsoup-effective-data-gathering-from-websites). Last month I had …
In a previous article, I have discussed the open source jWebSocket Server and a simple installation and configuration (https://technology.amis.nl/blog/14940/first-steps-with-jwebsocket-open-source-java-framework-for-websockets-installation-and-running-samples). Subsequently, I have shown the implementation of a web client …
In a previous post – https://technology.amis.nl/blog/14949/push-based-synchronized-slideshow-web-application-implemented-using-websockets-and-jwebsocket-server-the-open-source-java-websocket-server – I discussed the implementation of the synchronized slideshow application using Web (HTML/JavaScript) clients and jWebSocket as websocket server. In an earlier article, …
In a recent article, I have introduced jWebSocket – an open source Java based server for WebSocket communication: https://technology.amis.nl/blog/14940/first-steps-with-jwebsocket-open-source-java-framework-for-websockets-installation-and-running-samples. In this article, I have described how to download and …
This month, In have been delving into Push architectures for the Web, looking into WebSockets among several other things. WebSockets, a fairly new standard (!) evolved along with HTML …
While preparing for the next session in our internal SOA for Java Professionals training program on BPEL, I revisited the BPEL activity Java Embedding that allows us to enrich …
BPEL 2.0 introduced the forEach activity – similar to for found in many programming languages. Oracle SOA Suite 11g adopted BPEL 2.0, first in run time (PS2) and later …
In a string of recent articles, I have discussed downloading, installing and running demos for a number of different tools, frameworks and libraries that support push-style (web) applications in …
My last few articles on this blog site have all dealt with push architecture and technology in some way. This is an area that I have been investigating into …
In the last few articles, I have discussed downloading, installing and running demos for a number of different tools, frameworks and libraries that support push-style (web) applications in one …
NetBeans 7.1 has just been released. It is interesting how NetBeans continues to evolve – after many doubts were raised with regard to its future after the Oracle-Sun acquisition. …
Over the past weeks, I have been dabbling in Comet style, push-based, asynchronous communication enabling frameworks and libraries – including CometD, Atmosphere, Kaazing, jWebSocket, Grizzly and others. This short …
On the heels of previous articles that described setting up NetBeans (https://technology.amis.nl/blog/14661/first-experiences-and-getting-started-with-glassfish-3-1-and-netbeans-7-x-its-a-breeze), Tomcat 7 (https://technology.amis.nl/blog/14688/installing-tomcat-7-and-configuring-as-server-in-netbeans) and the CometD 2 environment (https://technology.amis.nl/blog/14709/running-cometd-2-examples-locally-on-tomcat-using-maven-and-netbeans), this article describes how I opened the Java …
Push technologies is an area of interest to me. I have been looking into frameworks, servers and libraries such as Atmosphere, ADF ADS, CometD 2, Kaazing, jWebSockets, Grizzly and …
Tomcat 7 is a Servlet Container – a fairly light weight container, very convenient for development and testing. While not a full application server, Tomcat implements the functionality described …
In my investigations into jWebWSockets, Kaazing, Atmosphere, CometD 2 and other frameworks I came to understand that in order to get these frameworks installed, integrate them into my custom …
Several years back, AMIS selected GlassFish as its preferred Open Source J(2)EE Application Server, over for example JBoss. Some of the criteria at the time were: speed of implementation …
I regularly teach a masterclass on Oracle SQL. One of the topics I explore in depth is the use of the CONNECT BY query style to perform not just …
The functional requirement was a little unusual. The page should either show all master-records or – depending on the value of a parameter – it should show exactly one …
This presentation will hopefully convince database developers that types in the Oracle Database are worth their salt – and more. With the recent improvements in 11gR2, the pieces are …
Slides for the presentation I did with Grant Ronald during UKOUG 2011, last week in Birmingham. The abstract for this presentation: “Many organizations run enterprise Oracle Forms applications created …
Sometimes apparently complex things turn out to be very simple to achieve using ADF. And occasionally it is the other way round: things that seem to simple that you …
Working on a WebCenter 11g Portal application, I recently ran into a challenge: when the user clicks a link in a task flow, the result of that action should …
This article accompanies an article on the Architecture section of Oracle Technology Network (OTN): Implementing the Enterprise Service Bus Pattern to Expose Database Backed Services. It provides a detailed …
The situation: in an ADF Faces 11g page, we have a popup with two buttons: one to start a download and one to cancel the popup. When the users …
The functional requirement for my ADF application was fairly simple: the values used for the bind parameters in one ViewObject should be reflected for a second ViewObject. In more …
On the one hand: the organization wants to publish a real Web Service, SOAP enabled and all. On the other: the data to be provided by this Web Service …
A few months back, in August, I received an electronic copy of the book: “Oracle WebCenter 11g PS3 Administration Cookbook” by Yannick Ongena (Packt Publishing, 2011). I promised you …
![Masterclass Oracle 11g voor Database Ontwikkelaars – haal meer uit SQL en PL/SQL in 11g]({"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"http:\/\/seattletimes.nwsource.com\/ABPub\/2012\/08\/02\/2018836700.jpg","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"} "Masterclass Oracle 11g voor Database Ontwikkelaars – haal meer uit SQL en PL/SQL in 11g")