Archive for month: January, 2015


Implement plugins in .NET using the Managed Extensibility Framework(MEF)

Overview MEF (Managed Extensibility Framework) was used for the plugin implementation. A description of how the plugin system works is given below with information on both the MEF and our own implementa...


Event Publishing and Subscribing with ActiveMQ and M2MQTT

Event Publishing/Subscribing The event publishing and subscribing mechanism was introduced for several reasons: To allow the communication between our current applications hosted in separate servers (web ...


Building dynamic filters for queries using LINQ to SQL

The main technical issue that we have to solve: how to request filtered data from a Business Service Layer(BSL) that uses WCF. Building dynamic filters for queries was raised as an issue to allow a better filte...


Using Quartz.NET to implement a background worker in a cloud system

Quartz.NET is a full-featured, open source job scheduling system that can be used from smallest apps to large scale enterprise systems ( It is a part of the open source Java jo...