Wcf for the web developer

Wcf for the web developer

• 1.
  WCF for theweb developerFlorin Cardașim, caf@rms.rotwitter: @cardasim, @CodeCampIasiRomSoft, www.rms.roIași, 8th of May 2010
• 2.
  AgendaWCF today: anoverviewWCF Services for the WEB 2.0SOAP & RESTWCF Data Services
• 3.
  WCF TodayProgramming ModelSOAPServicesWEB HTTPServicesData ServicesRIA ServicesWorkflow ServicesService ModelData ContractService ContractService BehaviorChannel ModelFormats(XML, JSON, Atom…)Transports(HTTP, TCP, IPC, MSMQ…)Protocols(SOAP, HTTP, Open Data Protocol,…)
• 4.
  WCF Architecture -ChannelsWCF ServiceWCF ClientChannel A Channel A Channel B Channel B Channel C Channel C Transport Channel Transport Channel HTTP, TCP, MSMQ, etc.
• 5.
  WCF Architecture -BindingsWCF Service[ServiceContract]interface IExampleB{ . . .}[ServiceContract]interface IExampleA{ . . .}Binding 3Binding 1Binding 2TransactionsTransactionsRMSecuritySecurityTransport HTTPTransport HTTPTransport TCP
• 6.
  Demo: WCF Servicesfor the WEB 2.0
• 7.
  What is SOAPSOAP= Simple(?!!) ObjectAccessProtocol=protocol, =standardsadvanced features: security, reliable messaging, transactionstransport neutrality (http, tcp, ipc, msmq …)uses POST when used over HTTProots in enterprise applications
• 8.
  SOAP-HTTP bindingswsHttpBindingSOAP 1.2TransactionFlowReliable SessionbasicHttpBindingSOAP 1.1Symmetric SecurityHTTP Transport (Text Message Encoding)HTTP Transport (Text Message Encoding)
• 9.
  SOAP & WS-*MEXPolicyWSDLSEC:Kerberos, Username, X.509, SAMLSecure Conversation, Federation, TrustRM:Reliability, Reliable MessagingTRAN:BussinessAct,Atomic,CoordinationMessaging: SOAP, Addressing, MTOM, Transfer, Discovery…XML: XML, XSD, Digital Signature, EncryptionTransport: HTTP/S, TCP, SMTP, UDP…
• 10.
  A SOAP requestWCFClientWCF ServicePOST /AccountAccess/Accounts.svcHost: www.quickbank.comSOAPAction: GetBalance…<soap:Envelopexmlns:soap= … <soap:Body> <GetBalancexmlns= … <Account>2</Account> </GetBalance> </soap:Body></soap:Envelope>Account 1Account 2Account 3
• 11.
  What is RESTREST= REpresentationalState Transfer! protocol, ! format, ! standard= architectural styleeverything is a resource: Account, Balance …address: www.quickbank.com/Accounts/2uniform interface: HTTP GET, POST, PUT, DELETEroots in WEB facing services (for example Google Search)
• 12.
  A REST requestWCFClientWCF ServiceGET www.quickbank.com/Accounts/2Account 1Account 2Account 3
• 13.
  Demo: Twitter RESTServiceFormats:XML, JSONRSS, ATOMwebHttpBindingHTTP Transport (Web Message Encoding)
• 14.
  SOAP & REST
• 15.
  When to SOAP?When to REST?Exposing data OR operations?Need for WS-*?Who will be using your service?What are you/your developers comfortable with?REST seems to be preferred in the clouds: Amazon S3Windows AzureGoogle…
• 16.
  OData: WCF DataServicesOpen Data ProtocolREST-based protocol for CRUD-style operationsBased on AtomPubFormats: Atom, Xml, JSONDEMO
• 17.
  OData: Existing clientsand serversClientsBrowser.NET 3.5, 4.0Java ScriptJava Restlet 2.0PHPASP.NET AJAXExcel 2010 Power PivotLINQPadServers
• 18.
  SQL Azure
• 19.
  SharePoint 2010
• 20.
  SQL Reporting Services
• 21.
  IBM WebSphere
• 22.
  Your WCF DataServiceResourcesAaron Skonnard, www.pluralsight.comDavid Chappel, www.davidchappel.comhttp://wildermuth.comMichele Bustamante, www.thatindigogirl.comMSDN REST Starter Kit
• 23.
  Please fill theevaluation formThank you very much!Florin Cardașim, caf@rms.rotwitter: @cardasim, @CodeCampIasiRomSoft, www.rms.roIași, 8th of May 2010
• 24.
  Demo: REST in.NET 4.0CachingAutomatic format selectionREST Starter Kit:Client APIPaste as Xml