import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
-import java.util.Arrays;
import java.util.Properties;
import java.util.concurrent.CompletableFuture;
-import java.util.regex.Pattern;
import static org.apache.kafka.streams.errors.StreamsUncaughtExceptionHandler.StreamThreadExceptionResponse.SHUTDOWN_CLIENT;
@Component
public class CounterStreamProcessor
{
- final static Pattern PATTERN = Pattern.compile("\\W+");
-
public final KafkaStreams streams;
KStream<String, String> source = builder.stream(properties.getInputTopic());
source
- .flatMapValues(sentence -> Arrays.asList(PATTERN.split(sentence)))
.map((username, word) ->
{
try