soa

Submit New Product Using Amazon Marketplace WebService

Hi, I am trying to add a new product using MWS, Here's the XML I am using: <?xml version="1.0" encoding="utf-8" standalone="yes"?> <AmazonEnvelope> <Header> <DocumentVersion>1.01</DocumentVersion> <MerchantIdentifier>my merchant id</MerchantIdentifier> </Header> <MessageType>Product</MessageType> <Message> <MessageID>1</MessageID> <Pr...

What are the pros and cons of using a Data Services Layer?

This is a discussion that seems to reappear regularly in the SOA world. I heard it as far back as '95, but it's probably been a topic of conversation long before that. I definitely have my own opinions about it, but I'd like to hear some good, solid arguments for having a Data Services Layer, and likewise for arguments against having ...

Entitity Framework: Change tracking in SOA with POCO approach

In our layered application, we are accessing database via WCF calls. We are creating and disposing contexts per request. Also we are using POCO approach. My question is, in pure POCO model (completely persistent ignorant POCOs) is it possible to track the changes, while we are creating and disposing context per request (as previous conte...

SOA Architecture with WCF + IOC Structuremap

Hello, I'm a little new to DI containers like StructureMap and I've been using it for a short time with asp.net mvc applications. Now I'm splitting my architecture that will have a WCF service layer and a sort of consumers like ASP.NET MVC app, Silverlight App, And Winfors/WPF App. When using SM with asp.net mvc I've been initializing th...

Rebuild N-tier app into Service-Oriented Architecture (SOA)?

Considering the regular characteristics of an n-tier app with layers like: presentation, business, data access; how is this normally rebuilt to make a Service-Oriented Architecture (SOA)? Seeking high level overview from programmers experienced in this exercise. To a degree I picture it conceptually flattening out rather than having ...

Migrate my application for using OSB

Hi all, I need to integrate my application using OSB (Oracle Service Bus). My application has two major job as a gateway: retrieve&send message to other application using JMS receive&send message to .NET platform using webservice. Any suggestions how to jumpstart migrating my application? The documentation provided by oracle is s...

Unit Testing an SOA WCF system...finding it difficult to get decent coverage.

Hello again. We are currently replacing a 20 year old C based system with a modern SOA WCF system built in .NET3.5. Our industry requires rigorous testing including good automated unit test converage. We are having issues, however unit testing our SOA system to anywhere near the extent that the C based system was unit tested. The singl...

Open Source SOA Stack

I'd be evaluating Open Source SOA solutions. What are the options? I'm looking for something that provides (possibly) complete SOA stack. I'd like below features - BPEL BPM ESB SOA Governance Good tooling Right now Glassfish ESB looks like a good option. Are there other good Stacks? ...

WCF SOA: CRUD Data Access Service...why bother (or is our design wrong)?

Hello all again. We have a Data Access service in our SOA WCF system. This service is responsible for doing CRUD (create, update, delete) operations on "system wide" database tables, and is also the source of this data for queries. Any other service in the system wanting to access the tables under the contol of the DAS have to go to the...

Should a service just exist for caching?

Should caching, which is a cross cutting concern, be ever turned into a web-service? The question might be a little weird, but I feel in SOA, a service should be identified based around a business solution, and we should not expose services whose only responsibility is to cache Objects. This does not seem to be a business function at al...

Web client for Apache Axis2 web service.

Hi, I have this application written in java to calculate pageranks. And the application takes in a file in specified format, parses it , generates the network graph and adjacency matrix, calculates pageranks and displays the top 20 pageranks. This is a standalone app. I need to build a webservice for this app to be deployed on Tomcat u...

Designing WCF data contracts and operations

Hi! I'm starting to design a wcf service bus that is small now but will grow as our business grow so I'm concerned about some grwoing problems and also trying not to YAGNI too much. It's a e-commerce platform. The problem is I'm having too many second thoughts about where to put stuff. I will give a scenario to demonstrate all my questi...

SOA, unobtrusive JavaScript

Hi, Let us say I have a restful web service which can deal with DTOs in json format to perform a CRUD operation. Let us also say I use jquery in an unobtrusive way to serialise my form at the frontend using: JSON.stringify What can I do to ensure that everything works even if JavaScript is switched off? Thanks. Best wishes, Chris...

What's the benefits of SOA over OO?

I want to know the differences between SOA and OO, and why SOA is going to popular? ...

Microsoft's AppFabric, an ESB ?

Hi all, I'm looking for an ESB for .NET. I've seen nServiceBus (http://www.nservicebus.com/) but before digg, I've a question can Microsoft AppFabric work as an ESB ? Should I rather look for nServiceBus or AppFabric ? Thanks for your help ...

Planning to shift career from Java/J2EE technologies to Java Integration technologies. Please suggest.

Hi, I am Java/J2EE programer with over 5 years of experience. I recently read some posts and I realized that Java Based Integration platforms such as WLI, oracle SOA, Tibco, will rule the future in Java Space. And there are other reasons as well for my move. So, I am planning to move to java integration technologies and I wanted to know ...

web service data type (contract)

hi, i have a general design question. we have a fairly big data model that represents an clinical object, the object itself has 200+ child attributes in the hierarchy. and we have a SetObject operation, and a GetObject operation. my question is, best practice wise, would it make sense to use that single data model in both operations o...

How to write services with CPython?

Does CPython have any library that helps to write binding-independent services? I have found some SOAP libraries for Python, but it misses the flexibility of choosing the binding at runtime. ...

How to design WCF Contracts?

We are designing a WCF layer which can be invoked either by a Asp.Net or a WinForm application. Our Application contains too many Entities. We have basically two choices. If we design WCF Contract around these entities then we get too many Contracts e.g IPartyService, IUserService, IPaymentService etc. So, I may end up with 30-40 Contr...

Is this the Crudy anti pattern?

Currently I am creating a WCF service which has to connect to a DAL which, just connects to a database using ADO.net and stored procedures. The DAl writes its responses from the database to a datacontract which is passed over the wire to the client via the service. I was reading that this may possibly be the anti pattern 'CRudy Interfa...