Blog

TPL Data Flow

Published on Sunday, July 10, 2011 In Programming Tags #async#architecture

The TPL DataFlow exposes classes to manipulate data asynchronously. It is based on the Task library and on two the interfaces ISourceBlock<T> and ITargetBlock<T>.

WebDAV & co

Published on Sunday, June 26, 2011 In Programming Tags #architecture

Several RFC are related to the WebDAV protocol. I have been wondering if this should not be an interresting starting point to both a CMS and an activity management server. In a way, an activity management like FlowGroup could simply expose vCard and vCalendar items, the customization consisting in defining business rules on how to aggregation Organizational Units informations to create the vCard, or when to create a vEvent, a vJournal or a vTodo. These would be wrappers around related documents that would keep track of the business data.

System.Threading.Tasks

Published on Sunday, June 19, 2011 In Programming Tags #async

In essence, the classes in this namespace serve the same purpose as the IJob interface and the JobDispatcher classes.  But the implementation is quite different.

2 cents on the concurrent collections

Published on Saturday, June 18, 2011 In Programming Tags #async

IProducerConsumerCollection< T> is the starting point. It is an interface derived from ICollection and IEnumerator...

Definition of interface

Published on Thursday, November 25, 2010 In Programming Tags #architecture

If inheritence reflects a is-a relationship between a class and its parent, the interface is more a can-be relationship between the class and the code using it.

The interface must be simple but  not simplistic. It must also be unambiguous and favor the ease of implementation. As such, methods overloading must be avoided. Only the most complete method should be declared.