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June 2007 - Posts

Thursday, June 28, 2007 10:00 PM

WCF LOB Adapter SDK 'RC' is now available for public download

I haven't had many posts in last few days as we have been working on releasing first public beta 'Release Candidate' of WCF LOB Adapter SDK. Now some of you who did express interest in trying this SDK will be able to download it without having to sign
Posted by sonua | 0 Comments
Tuesday, June 26, 2007 7:00 PM

WCF LOB Adapter Usage Patterns

An adapter built using WCF LOB Adapter SDK can be used in variety of topologies and scenarios. Follow your organization’s n-tier architecture principles and design patterns to determine where the adapter can fit best for your requirements. Usage Pattern
Posted by sonua | 3 Comments
Sunday, June 24, 2007 7:00 PM

WCF LOB Adapter SDK and its relationship with WCF Channel Model

In this post, I will show how WCF LOB Adapter SDK relates to WCF Service Model and WCF Channel Model. I have briefly talked about this topic in the following posts: · Where does a WCF LOB Adapter fit in the WCF Channel Stack? · Adapter as a WCF Binding
Posted by sonua | 3 Comments
Tuesday, June 19, 2007 7:00 PM

Transaction support in inbound message exchange handler

Scenario: How does WCF LOB Adapter SDK enable transaction support in the inbound message exchange handler? There are two ways of providing transaction support within the adapter inbound message exchange handler. Transactions initiated by dispatcher Set
Posted by sonua | 1 Comments
Saturday, June 16, 2007 7:00 PM

Contract Generation from WSDL/XML Schema - DataContractSerializer vs. XmlSerializer

WCF LOB Adapter SDK metadata object model generates WSDL / XML Schema with constructs that are well-liked by DataContractSerializer . The Svcutil.Exe creates a proxy / service interface from this WSDL containing attributes such as ServiceContract, OperationContract,
Posted by sonua | 0 Comments
Attachment(s): HelloWorld.wsdl
Friday, June 15, 2007 7:00 PM

Metadata object model extensibility using ExportXmlSchema

Scenario: Adapter Developer needs to define an operation signature using XML Schema types not directly supported by the WCF LOB Adapter SDK Metadata Object Model. For example, there is a need to have an operation signature like this – void SendXmlBlob(System.Xml.XmlElement
Posted by sonua | 2 Comments
Thursday, June 14, 2007 7:00 PM

'WCF LOB Adapter SDK' metadata object model

WCF LOB Adapter SDK provides Metadata Object Model to define a contract for an operation. This object model is used within IMetadataResolver implemented classes. The purpose of this model is to generate the XML Schema representation of the parameters
Posted by sonua | 2 Comments
Wednesday, June 13, 2007 7:00 PM

How to invoke the Metadata Resolver and resolve metadata without using Visual Studio Plug-Ins?

Scenario: You want to get an adapter generated WSDL / XML Schema for a subset of operations. The following code snippets show how to retrieve a ServiceDescription (WSDL) for a given set of operation identifiers. Method 1 – Using WCF provided MetadataExchangeClient
Posted by sonua | 2 Comments
Tuesday, June 12, 2007 7:04 PM

Adapter as a WCF Binding - In Depth

WCF LOB Adapter SDK surfaces an adapter as a custom WCF Binding . A WCF Binding corresponds to the “How” of the WCF Message transfer from one Endpoint to another Endpoint. It produces a set of binding elements that correspond to particular design settings
Posted by sonua | 4 Comments
Monday, June 11, 2007 6:00 PM

Passing SOAP actions to Adapter Inbound Handler for filtering type of listeners

Scenario: How can an Adapter Consumer pass the operation SOAP action to the Adapter Inbound Handler StartListener() method at run-time? WCF provides a feature called Custom Behaviors that lets us inject common and "cross-cutting" logic into the WCF runtime
Posted by sonua | 3 Comments
Saturday, June 09, 2007 7:00 PM

Using adapters in composite services / business processes

The WCF-based adapters can be used within an aggregated inter or intra enterprise business process to provide a true business level “building blocks” that reduce the time, cost and complexity of enterprise integration. Think of a composite service that
Posted by sonua | 0 Comments
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Saturday, June 09, 2007 6:00 PM

Back from TechEd 2007

Last week at TechEd2007 in Orlando, Florida was fabulous. I got a chance to attend a few sessions on WCF, WF and .NET 3.0 Architecture and Performance. The session on WCF LOB Adapter SDK, presented by me, Jesus Rodriguez and Wayne Citrin , had 102 attendees
Posted by sonua | 0 Comments
 
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