OLAP预聚合代码初始版本

src/main/java/cn/ac/iie/trident/aggregate/spout/TridentKafkaSpout.java

@@ -0,0 +1,39 @@
+package cn.ac.iie.trident.aggregate.spout;
+
+import cn.ac.iie.trident.aggregate.utils.FlowWriteConfig;
+import org.apache.storm.kafka.BrokerHosts;
+import org.apache.storm.kafka.StringScheme;
+import org.apache.storm.kafka.ZkHosts;
+import org.apache.storm.kafka.trident.OpaqueTridentKafkaSpout;
+import org.apache.storm.kafka.trident.TridentKafkaConfig;
+import org.apache.storm.spout.SchemeAsMultiScheme;
+
+/**
+ * @ClassNameKafkaSpout
+ * @Author lixkvip@126.com
+ * @Date2020/6/4 11:55
+ * @Version V1.0
+ **/
+public class TridentKafkaSpout {
+
+
+    /**
+     * kafka生产者适配器（单例），用来代理kafka生产者发送消息
+     */
+    private static OpaqueTridentKafkaSpout opaqueTridentKafkaSpout;
+
+    public static OpaqueTridentKafkaSpout getInstance() {
+        if (opaqueTridentKafkaSpout == null) {
+
+            BrokerHosts zkHosts = new ZkHosts(FlowWriteConfig.ZOOKEEPER_SERVERS);
+            TridentKafkaConfig kafkaConfig = new TridentKafkaConfig(zkHosts, FlowWriteConfig.KAFKA_TOPIC);
+            kafkaConfig.scheme = new SchemeAsMultiScheme(new StringScheme());
+            kafkaConfig.startOffsetTime = -1L;
+
+            //不透明事务型Spout
+            opaqueTridentKafkaSpout = new OpaqueTridentKafkaSpout(kafkaConfig);
+        }
+        return opaqueTridentKafkaSpout;
+    }
+
+}