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Cleanup Streams init #815

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Cleanup Streams init #815

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18 changes: 1 addition & 17 deletions microservices-orders/exercises/EmailService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,6 @@
import java.io.IOException;
import java.util.Optional;
import java.util.Properties;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import org.apache.kafka.streams.KafkaStreams.State;
import org.apache.kafka.streams.kstream.GlobalKTable;
import org.apache.kafka.streams.kstream.JoinWindows;
import org.apache.kafka.streams.kstream.KStream;
Expand Down Expand Up @@ -58,23 +55,10 @@ public void start(final String bootstrapServers,
final Properties defaultConfig) {
streams = processStreams(bootstrapServers, stateDir, defaultConfig);
streams.cleanUp(); //don't do this in prod as it clears your state stores
final CountDownLatch startLatch = new CountDownLatch(1);
streams.setStateListener((newState, oldState) -> {
if (newState == State.RUNNING && oldState != KafkaStreams.State.RUNNING) {
startLatch.countDown();
}

});
streams.start();
try {
if (!startLatch.await(60, TimeUnit.SECONDS)) {
throw new RuntimeException("Streams never finished rebalancing on startup");
}
} catch (final InterruptedException e) {
Thread.currentThread().interrupt();
}
log.info("Started Service " + SERVICE_APP_ID);

log.info("Started Service " + SERVICE_APP_ID);
}

private KafkaStreams processStreams(final String bootstrapServers,
Expand Down
17 changes: 0 additions & 17 deletions microservices-orders/exercises/FraudService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -8,15 +8,12 @@

import java.io.IOException;
import java.util.Optional;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import io.confluent.kafka.serializers.AbstractKafkaSchemaSerDeConfig;
import org.apache.commons.cli.*;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.KafkaStreams;
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.KafkaStreams.State;

import org.apache.kafka.streams.StreamsConfig;
import org.apache.kafka.streams.kstream.Consumed;
Expand Down Expand Up @@ -61,23 +58,9 @@ public void start(final String bootstrapServers,
final Properties defaultConfig) {
streams = processStreams(bootstrapServers, stateDir, defaultConfig);
streams.cleanUp(); //don't do this in prod as it clears your state stores
final CountDownLatch startLatch = new CountDownLatch(1);
streams.setStateListener((newState, oldState) -> {
if (newState == State.RUNNING && oldState != KafkaStreams.State.RUNNING) {
startLatch.countDown();
}

});
streams.start();

try {
if (!startLatch.await(60, TimeUnit.SECONDS)) {
throw new RuntimeException("Streams never finished rebalancing on startup");
}
} catch (final InterruptedException e) {
Thread.currentThread().interrupt();
}

log.info("Started Service " + getClass().getSimpleName());
}

Expand Down
16 changes: 0 additions & 16 deletions microservices-orders/exercises/InventoryService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3,15 +3,12 @@
import java.io.IOException;
import java.util.Optional;
import java.util.Properties;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import io.confluent.examples.streams.microservices.domain.Schemas;
import io.confluent.kafka.serializers.AbstractKafkaSchemaSerDeConfig;
import org.apache.commons.cli.*;
import org.apache.kafka.common.serialization.Serdes;
import org.apache.kafka.streams.KafkaStreams;
import org.apache.kafka.streams.KafkaStreams.State;
import org.apache.kafka.streams.KeyValue;
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.kstream.Consumed;
Expand Down Expand Up @@ -64,22 +61,9 @@ public void start(final String bootstrapServers,
final Properties defaultConfig) {
streams = processStreams(bootstrapServers, stateDir, defaultConfig);
streams.cleanUp(); //don't do this in prod as it clears your state stores
final CountDownLatch startLatch = new CountDownLatch(1);
streams.setStateListener((newState, oldState) -> {
if (newState == State.RUNNING && oldState != KafkaStreams.State.RUNNING) {
startLatch.countDown();
}

});
streams.start();

try {
if (!startLatch.await(60, TimeUnit.SECONDS)) {
throw new RuntimeException("Streams never finished rebalancing on startup");
}
} catch (final InterruptedException e) {
Thread.currentThread().interrupt();
}
log.info("Started Service " + getClass().getSimpleName());
}

Expand Down
16 changes: 0 additions & 16 deletions microservices-orders/exercises/OrdersService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,6 @@

import java.io.IOException;
import java.util.Optional;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import io.confluent.kafka.serializers.AbstractKafkaSchemaSerDeConfig;
import org.apache.commons.cli.*;
Expand All @@ -16,7 +14,6 @@
import org.apache.kafka.streams.StreamsBuilder;
import org.apache.kafka.streams.errors.InvalidStateStoreException;
import org.apache.kafka.streams.kstream.Consumed;
import org.apache.kafka.streams.KafkaStreams.State;
import org.apache.kafka.streams.StreamsConfig;
import org.apache.kafka.streams.kstream.Materialized;
import org.apache.kafka.streams.kstream.Predicate;
Expand Down Expand Up @@ -342,22 +339,9 @@ private KafkaStreams startKStreams(final String bootstrapServers,
config(bootstrapServers, defaultConfig));
metadataService = new MetadataService(streams);
streams.cleanUp(); //don't do this in prod as it clears your state stores
final CountDownLatch startLatch = new CountDownLatch(1);
streams.setStateListener((newState, oldState) -> {
if (newState == State.RUNNING && oldState != KafkaStreams.State.RUNNING) {
startLatch.countDown();
}

});
streams.start();

try {
if (!startLatch.await(60, TimeUnit.SECONDS)) {
throw new RuntimeException("Streams never finished rebalancing on startup");
}
} catch (final InterruptedException e) {
Thread.currentThread().interrupt();
}
return streams;
}

Expand Down
16 changes: 0 additions & 16 deletions microservices-orders/exercises/ValidationsAggregatorService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -32,8 +32,6 @@
import java.time.Duration;
import java.util.Optional;
import java.util.Properties;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;


/**
Expand Down Expand Up @@ -66,26 +64,12 @@ public class ValidationsAggregatorService implements Service {
public void start(final String bootstrapServers,
final String stateDir,
final Properties defaultConfig) {
final CountDownLatch startLatch = new CountDownLatch(1);
streams = aggregateOrderValidations(bootstrapServers, stateDir, defaultConfig);
streams.cleanUp(); //don't do this in prod as it clears your state stores

streams.setStateListener((newState, oldState) -> {
if (newState == KafkaStreams.State.RUNNING && oldState != KafkaStreams.State.RUNNING) {
startLatch.countDown();
}

});
streams.start();

try {
if (!startLatch.await(60, TimeUnit.SECONDS)) {
throw new RuntimeException("Streams never finished rebalancing on startup");
}
} catch (final InterruptedException e) {
Thread.currentThread().interrupt();
}

log.info("Started Service " + getClass().getSimpleName());
}

Expand Down