Spring Integration

Spring Integration 1.0.X and whats coming in 2.0 Jonas Partner OpenCredo Principle Consultant Spring Integration Committer www.opencredo.com Tuesday, 20 October 2009

Enterprise Integration Patterns • Book by Gregor Hohpe and Bobby Wolf • Documents – Styles of Integration database, file, messages and channels – Patterns • Splitter • Router • Transformer © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Messages Generic package for data (the Message payload) that can be transported via channels Headers provide information to other components that consume from channels Sequence Number Headers Sequence Size ... Payload © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Why use messaging 1/2 • Louse coupling – Localise impact of changes – Improve separation of concerns • Easy Interception – Mediation – Filtering – Reroute © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Why use messaging 2/2 • Performance – Less blocking since async – Efficient use of resources • Threads • DB Connections – More effective use of multi core processors © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Why Spring Integration • Spring goodness in the integration space – Light weight, not a server – Non invasive POJO programming model – Builds on strong foundation, Spring • Reusable Enterprise Integration Pattern implementations • Message and Channel approach useful for non integration applications © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Light Weight • Spring Integration != Spring ESB • Simply components in applications context – Wiring together through dependency injection – Channels beans, adapters beans ... – Follows application context lifecycle • Simple adoption © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Agenda • Why Spring Integration • Enterprise Integration Patterns • Spring Integration provides – Enterprise Integration Patterns implementation – Message and Channel framework – Adapters • Whats new © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Chain <chain input-channel="input" output-channel="output"> <filter ref="someSelector" throw-exception-on-rejection="true"/> <header-enricher error-channel="customErrorChannel"> <header name="foo" value="bar"/> </header-enricher> <service-activator ref="someService" method="someMethod"/> </chain> © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Agenda • Why Spring Integration • Enterprise Integration Patterns • Spring Integration provides – Enterprise Integration Patterns implementation – Message and Channel framework – Adapters • Whats new © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Agenda • Why Spring Integration • Enterprise Integration Patterns • Spring Integration provides – Enterprise Integration Patterns implementation – Message and Channel framework – Adapters • Whats new in 2.0 © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Spring Integration 2.0 1/2 • Due late this year – JDBC – Twitter?? – Suggestions/requests/contributions • Improved testing framework • Spring 3.0 expression language © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Spring Integration 2.0 2/2 • XQuery • JMS Backed channel (not an adapter) • Other patterns – Claim Check – Scatter Gather – Process Manager.... © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

Also Spring Extensions • Home to FTP adapters and other contributions – http://www.springsource.org/extensions/ se-sia • Spring Integration .Net – http://www.springsource.org/extensions/ se-springintegration-net – Nearly a port of java.util.concurrent http://www.springsource.org/extensions/ se-threading-net © 2009 Open Credo Ltd www.opencredo.com Tuesday, 20 October 2009

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Spring Integration

by Andrew Chalkley on Oct 20, 2009

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