Middleware & SOA

Problem (1): Coherence NamedCache extends java.util.Map i.e, the data to be managed in the cache must be in a <key>, <value> pair. One of the challenges to manage a Collection of keys or elements in a cache is to associate these keys with some values. If Values are not given we need to use some [...]

Software as a Service for Technologists
With the Oracle cloud computing announcements at OpenWorld I thought it would be worth putting down a few thoughts about Software as a Service (SaaS), which is related to but not the same as Cloud Computing.  Software as a service is all about providing a useful function to the customer [...]

I will be speaking at SOA World 2008 next week. Here is the link to my session:
http://soaworld2008.com/general/session1108.htm?id=145
See you there if you are around.
I will be speaking on BPEL Lifecycle issues and solutions.

In the old days of Oracle ESB, we could defined WSDL services with multiple operations. Is the OSB you do the same. Nothing new so far. But when you create a proxy service based on the multiple-operation WSDL, you will get an error “OSB Kernel:398034″.
OSB Kernel:398034]Two operations expect the same incoming message, you must use [...]

@11/01/2008: After deep thinking and three days before Nov’4th I have decided to endorse McCain. And the reasons I will reveal after the result ;).
@11/04/2008: And the reason is that whoever I ever voted for has always won, and whoever I endorsed but did not vote has lost. And I do not have voting rights [...]

What is the Nagle algorithm in reference to TCP/IP?
Nagle’s algorithm is a way of avoiding network congestion by limiting to at most one the number of "tinygrams" (that is, packets that are less than full size) an application can have outstanding at once. It does this by concatenating small segments until it has a full [...]

Last two weeks have been non-busingly busy. First there were some anxiety to attend the first Coherence SIG in NY. Last time I met Cameron before this SIG was at a client’s site and I had screwed it up then (Not Me really but Hertz never lost) in driving directions. It was also nice to [...]

With American elections just around the corner, it reminds me of elections in India. Average percentage of voting in India is around 40-45%. Out of the rest 55 a huge majority does not go vote because they are lazy, because they do not think their vote matters, because they think their candidate will win anyway [...]

This is a little Java trick that came out of the following Problem Statement: How to call a pre-defined method of an invoking class if it is defined in it? Or, invocation through precedence.
If I have three classes Invoker1, Invoker2 and MyUtility and both Invokers call a method of MyUtility, Is it possible for MyUtility [...]

Okay this might be a crazy idea but as Coherence is a data source it was worth writing a JDBC driver for it. Of course spending time to write a complete SQL engine would be too much without any real motivation. But a simple proof of concept was on the cards. So here you go:
First [...]