add region created event and handle it to cal region capacity immediately

kafka-manager-task/src/main/java/com/xiaojukeji/kafka/manager/task/listener/biz/RegionCreatedListener.java

@@ -0,0 +1,38 @@
+package com.xiaojukeji.kafka.manager.task.listener.biz;
+
+import com.xiaojukeji.kafka.manager.common.events.RegionCreatedEvent;
+import com.xiaojukeji.kafka.manager.task.dispatch.biz.CalRegionCapacity;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationListener;
+import org.springframework.scheduling.annotation.Async;
+import org.springframework.stereotype.Component;
+
+/**
+ * Region创建监听器,
+ * TODO 后续需要将其移动到core模块
+ * @author zengqiao
+ * @date 22/01/11
+ */
+@Component
+public class RegionCreatedListener implements ApplicationListener<RegionCreatedEvent> {
+    private static final Logger logger = LoggerFactory.getLogger(RegionCreatedListener.class);
+
+    @Autowired
+    private CalRegionCapacity calRegionCapacity;
+
+    @Async
+    @Override
+    public void onApplicationEvent(RegionCreatedEvent event) {
+        try {
+            logger.info("cal region capacity started when region created, regionDO:{}.", event.getRegionDO());
+
+            calRegionCapacity.processTask(event.getRegionDO());
+
+            logger.info("cal region capacity finished when region created, regionDO:{}.", event.getRegionDO());
+        } catch (Exception e) {
+            logger.error("cal region capacity failed when region created, regionDO:{}.", event.getRegionDO(), e);
+        }
+    }
+}