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sabbyanandan/stream-programming-models

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Spring Cloud Stream - Programming Model Choices

Build

mvn clean -U install

Prep

1) Download http-source and log-sink applications.

wget http://repo.spring.io/release/org/springframework/cloud/stream/app/http-source-kafka/2.1.0.RELEASE/http-source-kafka-2.1.0.RELEASE.jar

wget http://repo.spring.io/release/org/springframework/cloud/stream/app/log-sink-kafka/2.1.1.RELEASE/log-sink-kafka-2.1.1.RELEASE.jar

2) Start Kafka on localhost.

Run

1) Start http-source.

java -jar http-source-kafka-2.1.0.RELEASE.jar --spring.cloud.stream.bindings.output.destination=incomingDataTopic --spring.cloud.stream.default.contentType=text/plain --server.port=9001

2) Start any of the processors from this project. For example:

java -jar kstreams/target/kstreams-0.0.1-SNAPSHOT.jar

3) Start log-sink.

java -jar log-sink-kafka-2.1.1.RELEASE.jar --spring.cloud.stream.bindings.input.destination=outgoingDataTopic --server.port=9003

Test

Post sample data.

± curl localhost:9001 -H "Content-type: text/plain" -d "test data"

Verify results in the log-sink console.

2019-04-23 14:32:46.440  INFO 67878 --- [container-0-C-1] log-sink                                 : Hello: test data!

Issues