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MINOR: Java8 cleanup (#6598) 

Reviewers: Bill Bejeck <bill@confluent.io>, Guozhang Wang <guozhang@confluent.io>
This commit is contained in:
Matthias J. Sax 2019-04-19 18:44:27 -07:00 committed by GitHub
parent c596204c0d
commit 3aa909575d
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1 changed files with 24 additions and 31 deletions
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55
streams/upgrade-system-tests-21/src/test/java/org/apache/kafka/streams/tests/StreamsUpgradeTest.java
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@ -16,17 +16,17 @@
*/
package org.apache.kafka.streams.tests;
import java.util.Properties;
import org.apache.kafka.common.utils.Utils;
import org.apache.kafka.streams.KafkaStreams;
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.StreamsConfig;
import org.apache.kafka.streams.kstream.KStream;
import org.apache.kafka.streams.processor.AbstractProcessor;
import org.apache.kafka.streams.processor.Processor;
import org.apache.kafka.streams.processor.ProcessorContext;
import org.apache.kafka.streams.processor.ProcessorSupplier;
import java.util.Properties;
public class StreamsUpgradeTest {
@ -59,40 +59,33 @@ public class StreamsUpgradeTest {
final KafkaStreams streams = new KafkaStreams(builder.build(), config);
streams.start();
Runtime.getRuntime().addShutdownHook(new Thread() {
@Override
public void run() {
streams.close();
System.out.println("UPGRADE-TEST-CLIENT-CLOSED");
System.out.flush();
}
});
Runtime.getRuntime().addShutdownHook(new Thread(() -> {
streams.close();
System.out.println("UPGRADE-TEST-CLIENT-CLOSED");
System.out.flush();
}));
}
private static <K, V> ProcessorSupplier<K, V> printProcessorSupplier() {
return new ProcessorSupplier<K, V>() {
public Processor<K, V> get() {
return new AbstractProcessor<K, V>() {
private int numRecordsProcessed = 0;
return () -> new AbstractProcessor<K, V>() {
private int numRecordsProcessed = 0;
@Override
public void init(final ProcessorContext context) {
System.out.println("[2.1] initializing processor: topic=data taskId=" + context.taskId());
numRecordsProcessed = 0;
}
@Override
public void process(final K key, final V value) {
numRecordsProcessed++;
if (numRecordsProcessed % 100 == 0) {
System.out.println("processed " + numRecordsProcessed + " records from topic=data");
}
}
@Override
public void close() {}
};
@Override
public void init(final ProcessorContext context) {
System.out.println("[2.1] initializing processor: topic=data taskId=" + context.taskId());
numRecordsProcessed = 0;
}
@Override
public void process(final K key, final V value) {
numRecordsProcessed++;
if (numRecordsProcessed % 100 == 0) {
System.out.println("processed " + numRecordsProcessed + " records from topic=data");
}
}
@Override
public void close() {}
};
}
}