SpringCloud/spring-cloud-dataflow-samples
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* Spring Boot 2.6.3
* Spring Cloud 2021.0.0
* SCS/F 3.2.1
* etc..

Partially resolves #156
This commit is contained in:
Chris Bono
2022-01-24 10:20:21 -06:00
committed by GitHub
parent a70383677b
commit 301ba872bb
45 changed files with 182 additions and 198 deletions
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8
function-samples/kstreams-join-user-clicks-and-region/pom.xml
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@@ -6,7 +6,7 @@
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.3.1.RELEASE</version>
<version>2.6.3</version>
<relativePath/>
</parent>
@@ -24,21 +24,21 @@
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-stream-dependencies</artifactId>
<version>Horsham.SR6</version>
<version>3.2.1</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-function-dependencies</artifactId>
<version>3.0.8.RELEASE</version>
<version>3.2.1</version>
<type>pom</type>
<scope>import</scope>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-dependencies</artifactId>
<version>Hoxton.SR1</version>
<version>2021.0.0</version>
<type>pom</type>
<scope>import</scope>
</dependency>

4
function-samples/kstreams-join-user-clicks-and-region/src/main/java/org/springframework/cloud/dataflow/samples/processor/UserClicksAndUserRegionsProcessor.java
View File

@@ -23,7 +23,7 @@ import org.apache.kafka.streams.KeyValue;
import org.apache.kafka.streams.kstream.Joined;
import org.apache.kafka.streams.kstream.KStream;
import org.apache.kafka.streams.kstream.KTable;
import org.apache.kafka.streams.kstream.Serialized;
import org.apache.kafka.streams.kstream.Grouped;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@@ -44,7 +44,7 @@ public class UserClicksAndUserRegionsProcessor {
(clicks, region) -> new RegionWithClicks(region == null ? "UNKNOWN" : region, clicks),
Joined.with(Serdes.String(), Serdes.Long(), null))
.map((user, regionWithClicks) -> new KeyValue<>(regionWithClicks.getRegion(), regionWithClicks.getClicks()))
.groupByKey(Serialized.with(Serdes.String(), Serdes.Long()))
.groupByKey(Grouped.with(Serdes.String(), Serdes.Long()))
.reduce((firstClicks, secondClicks) -> firstClicks + secondClicks)
.toStream();
}