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Supporting Advanced User Interaction Patterns in jBPM

Boris Lublinsky discusses task management in the jBPM and then demonstrates how to implement four advanced user interaction patterns(4-eyes principle, nomination, escalation, and chained execution) using JBoss and the jBPM. He also notes the advantages and limitations of these patterns.

Boris Lublinsky
on Aug 06, 2009
The Dark Cloud: Understanding and Defending against Botnets and Stealthy Malware

Botnets are the latest scourge to hit the Internet and this article defines a botnet (a collection of distributed computers or systems that has been taken over by rogue software), examines the botnet life cycle, and presents several promising anti-botnet defense strategies including canary detectors, white lists, and malware traces.

Steve Orrin Carl Livadas Eve Schooler Jaideep Chandrashekar
on Aug 04, 2009
Service Dynamics: the lazy man's way

This article describes "the hardest topic in OSGi, how to deal with service dynamics," based on personal experience. Two factors, concurrency and direct service references, make the problem "fiendishly hard." An import and an export policy should form a comprehensive doctrine for dealing with service dynamics and the article explores two export policies with their corresponding doctrines.

Todor Boev
on Jul 29, 2009
The First Few Milliseconds of an HTTPS Connection

What exactly happens when an HTTPS connection is established? This article analyzes the data exchanged between the browser and the server, down to the byte, in order to set up a secured connection.

Jeff Moser
on Jul 27, 2009
Book Excerpt and Interview: Open Source SOA

Boris Lublinsky interviews Jeff Davis as part of a review of Davis' new book, Open Source SOA. The book covers the selection and usage of the open source products for SOA implementation. The interview poses questions about SOA as "business problem" or technical distributed system; SOAP vs. REST; WSDL, and "adherence to standards" as an evaluation criteria, among other topics.

Boris Lublinsky
on Jul 23, 2009
Refactoring Automated Functional Test Scripts with iTest2

In programming world, refactoring has become a highly frequent used word among programmers. Programmers make code more readable and design more. IDEs come with support for various refactorings. Testers who develop or maintain automated test scripts usually do not have that kind of luxury, but share the same needs. ITest2 is a tool that brings refactoring to the testing community.

Zhimin Zhan
on Jul 22, 2009
Kernel Comparison of Three Widely Used OS

This article briefly examines and compares the kernels of the three most widely used quasi-Unix operating systems using three axes of comparison: efficiency, evolvement, and user friendliness. The operating systems compared (kernel only) are: OpenSolaris, Windows Vista, and Linux 2.6.

Dingze Zhu
on Jul 17, 2009
FlexMonkey brings unit testing to Flex user interface developers

This article explores how Gorilla Logic's new, open source Flex user interface automation testing tool, FlexMonkey, can enhance the productivity of both developers and QA testers. FlexMonkey allows developers to incorporate user interface testing into unit test suites and continuous integration environments, and allows QA testers to expand those tests into comprehensive quality tests.

Stuart Stern
on Jul 15, 2009
Orchestrating Long Running Activities with JBoss / JBPM

Orchestrating activities that extend over very long periods (hours, days, weeks) is a common design issue. Although technically BPM engines are specifically design to ideal with this issue, they do so with standalone processes with corresponding issues arising from callback mechanisms. This article we will show one of the approaches to use JBoss jBPM for solving this problem.

Boris Lublinsky
on Jul 01, 2009
Concurrency and Immutability

This article explores the issue of immutability as a function of concurrency demands in modern software applications. The discussion occurs in the general context of dependency injection.

Dhanji Prasanna
on Jun 26, 2009
Is PHP Ready for the Enterprise?

Although PHP boasts of being the most widely used environment for web application development, it has been traditionally considered as not suitable for the enterprise. InfoQ has conducted a virtual panel regarding the evolution of the language/platform and its suitability in enterprise environments.

Dio Synodinos
on Jun 22, 2009
Tips for Effective Software Reuse

Vijay Narayananoffers 10 practival tips on succeeding with systematic reuse of software components, based on his experience with multiple projects. The collection of tips is not intended to be exhaustive but will help developers and team leaders to appreciate the variety of strategies that one has to undertake in order to succeed with systematic reuse.

Vijay Narayanan
on Jun 18, 2009

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