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| package cn.xiaojia521.apitest.source;
import org.apache.flink.api.common.serialization.SimpleStringSchema; import org.apache.flink.streaming.api.datastream.DataStream; import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment; import org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer011;
import java.util.Properties;
public class SourceTest3_Kafka { public static void main(String[] args) throws Exception { StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment(); env.setParallelism(1);
Properties properties=new Properties(); properties.setProperty("bootstrap.servers","hadoop01:9092"); properties.setProperty("group.id","consumer-group"); properties.setProperty("key.deserializer","org.apache.kafka.common.serialization.StringDeserializer"); properties.setProperty("value.deserializer","org.apache.kafka.common.serialization.StringDeserializer"); properties.setProperty("auto.offset.reset","latest");
DataStream<String> dataStream = env.addSource(new FlinkKafkaConsumer011<>("sensor", new SimpleStringSchema(), properties));
dataStream.print();
env.execute(); } }
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