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Catalogs (code cartoon) catalog are search boundary for the composition container . you can read more about MEF on MEF for beginner series, the TOC is available here תגים של Technorati: Extensibility , MEF , Composition , catalogs
MEF for Beginner (Catalogs) - part 10 this is the 10th post of the MEF for Beginner series, the series TOC is available here . this post will focus on Catalogs . What is MEF Catalogs? MEF container is using catalogs as its search area definition. the catalog have instructions about where can MEF look for the compose-able parts ( import and export definitions ). in short catalogs are actually a discovery instruction . Out of the box catalogs MEF is shipping with the following out of...
does MEF apply the SOA paradigm? in this post I'm going to argue that the Manage Extensibility Framework ( MEF ), is actually applying to the 4 tenet of Service Orientation Architecture ( SOA ), therefore MEF is actually, in-process implementation of the SOA paradigm. Background when we speaking about SOA we used to think about technologies like web services and WCF , which is cross process technologies. but does SOA define that services should always be consumed from the clouds...
MEF for Beginner (repeatable metadata) - part 9 this is the 9th post of the MEF for Beginner series, the series TOC is available here . this post will focus on having repeatable metadata definition (cases like definition of multiple categories). if you not familiar with the MEF metadata concept you may want to read part 8 . Bad practice for repeatable metadata In order to explain repeatable metadata , we will start by decorating export with untyped metadata declaration ( which consider as...
MEF for Beginner (Metadata) - part 8 this is the 8th post of the MEF for Beginner series, the series TOC is available here . this post will focus on the basics of MEF metadata capabilities, the next post discuss the ability of multiple metadata decorations . What is Metadata? metadata is piece of compile-time information that can be attached to exported part . metadata is adding peripheral information to the part, (metadata information may define which operation system supported...
MEF for Beginner (Part Creation Policy) - part 6 this is the 6th post of the MEF for Beginner series, the series TOC is available here . this post and a few that will follow will cover some of the policies options available with MEF . we will start with the instantiation policy . How do we define policy ? we will define policy as instruction that will guide behavioral decisions that related to the compose-able parts (the imported and exported parts behaviors). What is instantiation...
MEF for beginner is a blog series for developers that want to learn How To use the MEF (Manage Extensibility Framework) technology. the following post is currently available for this series: Concept How To build your first MEF application Hello Silverlight A-sync Silverlight loading Import Part Creation policy Recomposition policy Metadata (part 1) Metadata (part 2 – repeatable) Catalogs more post is about to be written. תגים של Technorati: MEF , Beginner...
MEF for Beginner – Part 5 (Import) this is the 5th post on MEF for beginner series, you can see the previous post here , here and here . this post will focus on the Import aspect. we will soon learn about the different signature that can be apply with the Import decoration, but before starting with that, we should introduce the Lazy<T> class which is a first citizen at the MEF world, and part of the CLR 4 types. Lazy<T> definition Lazy<T> is used in order of delaying the...