EBZ306Advanced Business Process Automation Using BizTalk Server 2004

David FongProgram Manager

Agenda

Scopes and TransactionsAtomicLong-RunningCompensation

CorrelationPartner Management

Transactions

Sequence of operationsSequence of operations that acts that acts as a as a single logical unit of worksingle logical unit of work

Entire Orchestration as a TransactionScopes can be transactions

Atomic, Long-Running, Non-TransactionalAlso used for Exception Handling

Compensation

Atomic Transactions

Scope is a single DTC TransactionA.C.I.D. PropertiesTransactional Resources enlist in txn

MSMQ, SQL – automatic rollbackAll transactional components will commit or abort as appropriate

.NET componentsNon-Serializable components must be in atomic transaction

Atomic Transaction Properties

TimeoutRetryIsolation LevelSynchronized

Long-Running Transactions

Business processes typically last longer than just a few secondsLocking approaches as used in Atomic transactions are too resource intensive to scale

Nested TransactionsAtomic Transactions cannot nest transactionsLong-running Transactions can include a many levels of nesting Outer transaction is not automatically aborted when a inner transactions abortInner Transaction have a compensation

Compensation Example

Atomic automatic rollbackAtomic automatic rollback

Atomic Txn 1 CompensationAtomic Txn 1 CompensationLong-Running TransactionLong-Running TransactionException ProcessException Process

Transactions in Orchestration Designer

demodemo

Correlation

Route an incoming message to it’s correct running instance.

Property PromotionCorrelation SetsInitializing Correlation SetsFollowing Correlation Sets

BuyerBuyer My ComputerMy ComputerPartsParts

InventoryInventory

Scenario

Sales OrderSales Order

Inventory CheckInventory Check

Inventory AvailInventory AvailOrder StatusOrder Status

Correlation

demodemo

Partner Management

I need to ship I need to ship 5,000 parts to 5,000 parts to Boston. Who Boston. Who

can I use?can I use?

I am a shipper! I am a shipper! I can ship your I can ship your parts to your parts to your

customer.customer.

Service Link

I have a great I have a great international international reputation!reputation!

I may also need I may also need to ship parts to to ship parts to

the London the London assembly plant!assembly plant!

Service Link

Service Link Types

Service link types define the set of interaction between business processesThey also define the role played by each partner

Terminology: ServiceLinkType and ServiceLink

Identify roles and parties

Roleexample: Role= “Shipper”

PartyParty = “FedEx”Party = “UPS”Party = “DHL”Party = “USPS”

Creating a role

Creating Parties

example:Party = “FedEx”SendPort = http://www.fedex.com/partners/MyCo

Certificate = “1A90 F4C2 …”Alias = “FedEx”

Orchestration with Roles

Enlist parties into roles

Custom logic to lookup a party

String shipperName = ExplorerOM.GetPreferredShipper();shipper(Microsoft.XLANGs.BaseTypes.DestinationParty) =

new Microsoft.XLANGs.BaseTypes.Party(shipperName, "Organization");

Orchestration Designer Expression

Partner Management

demodemo

Community Resources

Community Resourceshttp://www.microsoft.com/communities/default.mspx

Most Valuable Professional (MVP)http://www.mvp.support.microsoft.com/

NewsgroupsConverse online with Microsoft Newsgroups, including Worldwidehttp://www.microsoft.com/communities/newsgroups/default.mspx

User GroupsMeet and learn with your peershttp://www.microsoft.com/communities/usergroups/default.mspx

evaluationsevaluations

© 2003 Microsoft Corporation. All rights reserved.© 2003 Microsoft Corporation. All rights reserved.This presentation is for informational purposes only. MICROSOFT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, IN THIS SUMMARY.This presentation is for informational purposes only. MICROSOFT MAKES NO WARRANTIES, EXPRESS OR IMPLIED, IN THIS SUMMARY.