Integration & DSL
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- Mule is an open source ESB that allows for integration and building APIs. It has over 1.5 million downloads and is used for cloud integration. - Mule provides both community and enterprise editions. The enterprise edition offers additional features like high availability, premium connectors, and support. - Mule can be used to connect applications and services together through its wide range of connectors and ability to process data through flows defined in XML or through its domain specific language.
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Integration & DSL
- 1. Integration & DSL #TDC2011
- 2. @porcelli Alexandre Porcelli Founder Alexandre Porcelli Writer Alexandre Porcelli Organizer Alexandre Porcelli Commiter / Parser Developer Alexandre Porcelli API Designer / Developer
- 3. integration
- 7. cloud
- 8. problems...
- 9. silos
- 10. 3443
- 12. #facts ✓ #1 OPEN SOURCE ESB ✓ OVER 1.5 MILLION DOWNLOADS ✓ 2500+ PRODUCTION DEPLOYMENTS ✓ PERFORMANCE: 10000 TPS ✓ SCALABLE: 13000 DEPLOYED SERVERS ✓ 100+ CONNECTORS APPS & PROTOCOLS ✓ CLOUD CONNECTORS
- 13. enterprise... Mule ESB Mule ESB Community Enterprise High-performance ESB Access to source code Community extensions Management Console High availability Premium Connectors Self-healing connections Technical Support Knowledge Base Service packs / hot patches QA Enterprise documentation Enterprise license
- 14. customers...
- 15. mule studio!
- 16. tech spec...
- 18. POJO! @Connector(namespacePrefix="my-push") public class MyPushCloudConnector { /** * Hostname of My Push Notification Gateway */ @Property private String host; @Operation public void send(String deviceToken, @Parameter(optional=true) String alert, @Parameter(optional=true) String sound, @Parameter (optional=true, defaultValue="-1") int badge, @Parameter (optional=true) Map<String,String> fields) { ... } }
- 21. <flow name="Hello World"> <composite-source> <!-- Incoming HTTP requests --> <inbound-endpoint address="http://localhost:8888" transformer-refs="HttpRequestToNameString" exchange-pattern="request-response" <not-filter> <wildcard-filter pattern="/favicon.ico"/> </not-filter> </inbound-endpoint> <!-- Incoming Servlet requests --> <inbound-endpoint address="servlet://name" transformer-refs="HttpRequestToNameString" exchange-pattern="request-response"> <not-filter> <wildcard-filter pattern="/favicon.ico"/> </not-filter> </inbound-endpoint> <!-- Incoming VM requests --> <vm:inbound-endpoint path="greeter" transformer-refs="StringToNameString" exchange-pattern="request-response"/> </composite-source> <component class="org.mule.example.hello.Greeter"/> <choice> <when expression="payload instanceof org.mule.example.hello.NameString" evaluator="groovy"> <vm:outbound-endpoint path="chitchatter" exchange-pattern="request-response"/> </when> <when expression="payload instanceof java.lang.Exception" evaluator="groovy"> <vm:outbound-endpoint path="userErrorHandler" exchange-pattern="request-response"/> </when> </choice> <!-- Route unexpected errors to separate error handler --> <default-exception-strategy> <vm:outbound-endpoint path="systemErrorHandler" exchange-pattern="one-way"/> </default-exception-strategy> </flow>
- 22. xml?
- 24. so what?
- 26. MuleContex context = Mule.newMuleContext(); Flow myFlow = new Flow(); myFlow.setName("MyFlow"); InboundEndpoint myIn = new GenericInboundEndpoint(); myIn.setURL("file:///Users/porcelli/in"); OutboundEndpoint myOut = new GenericOutboundEndpoint(); myIn.setURL("file:///Users/porcelli/out"); myFlow.setInbound(myIn); myFlow.addMessageProcessor(myOut); context.addFlow(myFlow); ok? muleContext.start();
- 27. NO!
- 28. DSL!
- 29. goals... ➡ Expressive & Natural ➡ Easy to Use & Learn ➡ Hard to Misuse ➡ Extensible
- 30. Mule.newMuleContext(new AbstractModule() { @Override public void configure() { flow("MyFlow") .from("file:///Users/porcelli/in") .send("file:///Users/porcelli/out"); } }).start();
- 31. remember? MuleContex context = Mule.newMuleContext(); Flow myFlow = new Flow(); myFlow.setName("MyFlow"); InboundEndpoint myIn = new GenericInboundEndpoint(); myIn.setURL("file:///Users/porcelli/in"); OutboundEndpoint myOut = new GenericOutboundEndpoint(); myIn.setURL("file:///Users/porcelli/out"); myFlow.setInbound(myIn); myFlow.addMessageProcessor(myOut); context.addFlow(myFlow); muleContext.start();
- 32. feedback?
- 33. cloud... final TwitterConnector twitterConnector = new TwitterConnector(); twitterConnector.setConsumerKey("key"); twitterConnector.setConsumerSecret("secret"); twitterConnector.setOathToken("token"); Mule.newMuleContext(new AbstractModule() { @Override public void configure() { flow("MyFlow") .from("file:///Users/porcelli/tweet") .transformTo(String.class) .process(twitterConnector.statusesUpdate(payload())); } }).start();
- 34. demo
- 36. questions?
- 37. Thanks! [email protected] github.com/porcelli about.me/porcelli linkedin.com/in/alexandreporcelli @porcelli porcelli.com.br