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1、redis 发布订阅
2、发布订阅模型修改
This commit is contained in:
lxy
2020-08-15 00:38:11 +08:00
parent 30291fb6e7
commit 60a5bd300f
13 changed files with 266 additions and 152 deletions
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56
src/com/zdemo/kafak/KafakConsumer.java
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@@ -1,15 +1,20 @@
package com.zdemo.kafak;
import com.zdemo.Event;
import com.zdemo.IConsumer;
import org.apache.kafka.clients.consumer.ConsumerRecord;
import org.apache.kafka.clients.consumer.ConsumerRecords;
import org.apache.kafka.clients.consumer.KafkaConsumer;
import org.apache.kafka.common.serialization.StringDeserializer;
import org.redkale.convert.json.JsonConvert;
import org.redkale.net.http.RestService;
import org.redkale.service.Service;
import org.redkale.util.AnyValue;
import javax.annotation.Resource;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.time.Duration;
import java.util.Properties;
import java.util.concurrent.CompletableFuture;
@@ -21,38 +26,43 @@ import java.util.logging.Logger;
* @param <T>
*/
@RestService
public abstract class KafakConsumer<T> implements IConsumer<T>, Service {
public abstract class KafakConsumer<T extends Event> implements IConsumer<T>, Service {
protected final Logger logger = Logger.getLogger(this.getClass().getSimpleName());
private final Logger logger = Logger.getLogger(this.getClass().getSimpleName());
private String kafakServices = "122.112.180.156:6062";
private KafkaConsumer<String, String> consumer;
@Resource(name = "APP_HOME")
protected File APP_HOME;
public abstract String getGroupid();
@Override
public void init(AnyValue config) {
CompletableFuture.runAsync(() -> {
Properties props = new Properties();
props.put("bootstrap.servers", kafakServices);
props.put("group.id", "test");
props.put("enable.auto.commit", "true");
props.put("auto.commit.interval.ms", "1000");
props.put("key.deserializer", StringDeserializer.class.getName());
props.put("value.deserializer", StringDeserializer.class.getName());
try (FileInputStream fis = new FileInputStream(new File(APP_HOME, "conf/kafak.properties"));) {
Properties props = new Properties();
props.load(fis);
props.put("group.id", getGroupid());
KafkaConsumer<String, String> consumer = new KafkaConsumer<>(props);
consumer.subscribe(getSubscribes());
consumer = new KafkaConsumer<>(props);
consumer.subscribe(getSubscribes());
while (true) {
ConsumerRecords<String, String> records = consumer.poll(Duration.ofMillis(100));
for (ConsumerRecord<String, String> record : records) {
try {
logger.finest(String.format("offset = %d, key = %s, value = %s%n", record.offset(), record.key(), record.value()));
while (true) {
T t = JsonConvert.root().convertFrom(getTypeToken().getType(), record.value());
accept(t);
} catch (Exception e) {
e.printStackTrace();
ConsumerRecords<String, String> records = consumer.poll(Duration.ofMillis(100));
for (ConsumerRecord<String, String> record : records) {
try {
logger.finest(String.format("offset = %d, key = %s, value = %s%n", record.offset(), record.key(), record.value()));
T t = JsonConvert.root().convertFrom(getTypeToken().getType(), record.value());
accept(t);
} catch (Exception e) {
e.printStackTrace();
}
}
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
});
}

41
src/com/zdemo/kafak/KafakProducer.java
View File

@@ -1,5 +1,6 @@
package com.zdemo.kafak;
import com.zdemo.Event;
import com.zdemo.IProducer;
import org.apache.kafka.clients.producer.KafkaProducer;
import org.apache.kafka.clients.producer.ProducerRecord;
@@ -8,7 +9,13 @@ import org.redkale.net.http.RestService;
import org.redkale.service.Service;
import org.redkale.util.AnyValue;
import javax.annotation.Resource;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Properties;
import java.util.logging.Logger;
/**
* 生产
@@ -16,29 +23,31 @@ import java.util.Properties;
* @param <T>
*/
@RestService
public class KafakProducer<T> implements IProducer<T>, Service {
private String kafakServers = "122.112.180.156:6062";
public class KafakProducer<T extends Event> implements IProducer<T>, Service {
private final Logger logger = Logger.getLogger(this.getClass().getSimpleName());
private KafkaProducer<String, String> producer;
@Resource(name = "APP_HOME")
protected File APP_HOME;
@Override
public void init(AnyValue config) {
Properties props = new Properties();
props.put("bootstrap.servers", kafakServers);
props.put("acks", "all");
props.put("retries", 0);
props.put("batch.size", 16384);
props.put("linger.ms", 1);
props.put("buffer.memory", 33554432);
props.put("key.serializer", "org.apache.kafka.common.serialization.StringSerializer");
props.put("value.serializer", "org.apache.kafka.common.serialization.StringSerializer");
producer = new KafkaProducer(props);
try (FileInputStream fis = new FileInputStream(new File(APP_HOME, "conf/kafak.properties"));) {
Properties props = new Properties();
props.load(fis);
producer = new KafkaProducer(props);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
@Override
public void send(String topic, T... t) {
for (T t1 : t) {
producer.send(new ProducerRecord(topic, JsonConvert.root().convertTo(t1)));
public void send(T... t) {
for (T x : t) {
logger.finest("send message: " + JsonConvert.root().convertTo(x));
producer.send(new ProducerRecord(x.getTopic(), JsonConvert.root().convertTo(x)));
}
}