Spring Cloud Stream Source Sample
In this Spring Cloud Stream sample, a timestamp is published on an interval determined by the fixedDelay property.
Requirements
To run this sample, you will need to have installed:
- Java 8 or Above
This example requires Redis to be running on localhost.
Code Tour
This sample is a Spring Boot application that uses Spring Cloud Stream to publish timestamp data. The source module has 3 primary components:
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SourceApplication - the Spring Boot Main Application
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TimeSource - the module that will generate the timestamp and post the message to the stream
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TimeSourceOptionsMetadata - defines the configurations that are available to setup the TimeSource
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format - how to render the current time, using SimpleDateFormat
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fixedDelay - time delay between messages
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initialDelay - delay before the first message
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timeUnit - the time unit for the fixed and initial delays
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maxMessages - the maximum messages per poll; -1 for unlimited
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Building with Maven
Build the sample by executing:
source>$ mvn clean package
Running the Sample
To start the source module execute the following:
source>$ java -jar target/spring-cloud-stream-sample-source-1.0.0.BUILD-SNAPSHOT-exec.jar