enterprise integration patterns - java forum...

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Enterprise Integration PatternsBest Practices for Application Integration

Java Forum Stuttgart 2013

Enterprise Applications

Ihre selbstentwickelte

Anwendung!

Integration

Wozu diese Pattern?

Eine Integrationsaufgabe erkennen,

wenn sie direkt vor einem steht?

LEICHT!

Die passenden Hilfsmittel verwenden?

TEUER?

Eine einfache und stabile

Lösung entwickeln?

UNBEZAHLBAR!

Enterprise Integration Pattern

Rezepte gegen

Integrationsschmerzen!

Pattern für EAI

Pattern für EAI Design Patterns (Gamma et al), 1994

Proven solutions for common problems

Enterprise Integration Patterns (Hohpe & Woolf), 2003

Swiss-army knife for asynchronous messaging

Integration Styles

File Transfer

http://www.eaipatterns.com

/FileTransferIntegration.html

Integration Styles

Shared Database

/SharedDataBaseIntegration.html

Integration Styles

Remote Procedure Invocation

/EncapsulatedSynchronousIntegration.html

Integration Styles

Messaging

/Messaging.html

“Various technologies have been around (…). We all believe that asynchronous

messaging carries the greatest promise.”- Martin Fowler (Enterprise Integration Patterns, 2003)

MESSAGING?

http://bit.ly/PtrhWy

Gründe für async. Messaging

message-based communication -> decoupling

integrate heterogenous platforms/ languages

variable timing & throttling

reliable communication

disconnected operation

Common Wording

Message Channelhttp://www.eaipatterns.com

/MessageChannel.html

Message ChannelInMemory oder Persistent

/MessageChannel.html

Inbound & Outbound Adapterhttp://www.eaipatterns.com

/ChannelAdapter.html

Inbound & Outbound AdapterApplikationsspezi!sche Interfaces

/ChannelAdapter.html

Pipes and Filtershttp://www.enterpriseintegrationpatterns.com/PipesAndFilters.html

Pipes and FiltersVerarbeitung in kleine Schritte au"eilen

http://www.enterpriseintegrationpatterns.com/PipesAndFilters.html

Message Routerhttp://www.enterpriseintegrationpatterns.com/MessageRouter.html

Message RouterWeiterleitung anhand von Bedingungen

http://www.enterpriseintegrationpatterns.com/MessageRouter.html

Transformerwww.enterpriseintegrationpatterns.com/MessageTransformationIntro.html

Wire Taphttp://www.eaipatterns.com

/WireTap.html

Wire TapSimple !xed Recipient List

/WireTap.html

Control Bushttp://www.eaipatterns.com

/ControlBus.html

Control BusManage integration systems & components

/ControlBus.html

Nachrichtentypen

Allgemein

Nachrichtentypen

Allgemein

Command Message

Nachrichtentypen

Allgemein

Command Message

Document Message

Nachrichtentypen

Allgemein

Command Message

Document Message

Event Message

EAI Frameworks

Apache Camel Spring Integration

Code Beispiel:GatewaySampleTest

Immer ein EAI-Framework verwenden?

It depends!

Praxis-Beispiel

Eine einfache Au"ragsverwaltung

2 Monate später

2 Jahre später

Code Beispiel „CSV“-Import

Vielen Dank! Alexander Heusingfeld, @goldsti!alexander.heusingfeld@innoq.comhttp://www.innoq.com

enterprise integration patterns - java forum...

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