针对p19项目研发的双写程序

src/main/java/com/zdjizhi/utils/kafka/Consumer.java

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+package com.zdjizhi.utils.kafka;
+
+import com.zdjizhi.common.FlowWriteConfig;
+import org.apache.flink.api.common.serialization.SimpleStringSchema;
+import org.apache.flink.streaming.connectors.kafka.FlinkKafkaConsumer;
+import org.apache.kafka.clients.consumer.ConsumerConfig;
+import org.apache.kafka.common.config.SslConfigs;
+
+
+import java.util.Properties;
+
+/**
+ * @author qidaijie
+ * @Package com.zdjizhi.utils.kafka
+ * @Description:
+ * @date 2021/6/813:54
+ */
+public class Consumer {
+    private static Properties createConsumerConfig() {
+        Properties properties = new Properties();
+        properties.put("bootstrap.servers", FlowWriteConfig.INPUT_KAFKA_SERVERS);
+        properties.put("group.id", FlowWriteConfig.GROUP_ID);
+        properties.put("session.timeout.ms", "60000");
+        properties.put("max.poll.records", "3000");
+        properties.put("max.partition.fetch.bytes", "31457280");
+        properties.put("key.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");
+        properties.put("value.deserializer", "org.apache.kafka.common.serialization.StringDeserializer");
+
+        CertUtils.chooseCert(FlowWriteConfig.KAFKA_SOURCE_PROTOCOL,properties);
+
+        return properties;
+    }
+
+    public static FlinkKafkaConsumer<String> getKafkaConsumer() {
+        FlinkKafkaConsumer<String> kafkaConsumer = new FlinkKafkaConsumer<>(FlowWriteConfig.INPUT_KAFKA_TOPIC,
+                new SimpleStringSchema(), createConsumerConfig());
+
+        kafkaConsumer.setCommitOffsetsOnCheckpoints(false);
+        kafkaConsumer.setStartFromGroupOffsets();
+
+        return kafkaConsumer;
+    }
+}