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Vorlage
[demos/kafka/training]
/
src
/
main
/
java
/
de
/
juplo
/
kafka
/
SimpleConsumer.java
diff --git
a/src/main/java/de/juplo/kafka/SimpleConsumer.java
b/src/main/java/de/juplo/kafka/SimpleConsumer.java
index
3b0202f
..
82d6794
100644
(file)
--- a/
src/main/java/de/juplo/kafka/SimpleConsumer.java
+++ b/
src/main/java/de/juplo/kafka/SimpleConsumer.java
@@
-9,21
+9,23
@@
import org.apache.kafka.common.errors.WakeupException;
import java.time.Duration;
import java.util.Arrays;
import java.time.Duration;
import java.util.Arrays;
+import java.util.concurrent.Callable;
@Slf4j
@RequiredArgsConstructor
@Slf4j
@RequiredArgsConstructor
-public class SimpleConsumer implements
Runnable
+public class SimpleConsumer implements
Callable<Integer>
{
private final String id;
private final String topic;
private final Consumer<String, Message> consumer;
{
private final String id;
private final String topic;
private final Consumer<String, Message> consumer;
+ private final MessageHandler messageHandler;
private long consumed = 0;
@Override
private long consumed = 0;
@Override
- public
void run
()
+ public
Integer call
()
{
try
{
{
try
{
@@
-50,11
+52,12
@@
public class SimpleConsumer implements Runnable
catch(WakeupException e)
{
log.info("{} - Consumer was signaled to finish its work", id);
catch(WakeupException e)
{
log.info("{} - Consumer was signaled to finish its work", id);
+ return 0;
}
catch(Exception e)
{
}
catch(Exception e)
{
- log.error("{} - Unexpected error: {}
, unsubscribing
!", id, e.toString());
-
consumer.unsubscribe()
;
+ log.error("{} - Unexpected error: {}!", id, e.toString());
+
return 1
;
}
finally
{
}
finally
{
@@
-73,5
+76,6
@@
public class SimpleConsumer implements Runnable
{
consumed++;
log.info("{} - {}: {}/{} - {}={}", id, offset, topic, partition, key, value);
{
consumed++;
log.info("{} - {}: {}/{} - {}={}", id, offset, topic, partition, key, value);
+ messageHandler.handle(key, value);
}
}
}
}