提交线上使用版本

src/main/java/cn/ac/iie/utils/TupleUtils.java

@@ -0,0 +1,21 @@
+package cn.ac.iie.utils;
+
+import org.apache.storm.Constants;
+import org.apache.storm.tuple.Tuple;
+
+/**
+ * @author Administrator
+ */
+public final class TupleUtils {
+    /**
+     * 判断是否系统自动发送的Tuple
+     *
+     * @param tuple
+     * @return
+     */
+    public static boolean isTick(Tuple tuple) {
+        return tuple != null
+                && Constants.SYSTEM_COMPONENT_ID.equals(tuple.getSourceComponent())
+                && Constants.SYSTEM_TICK_STREAM_ID.equals(tuple.getSourceStreamId());
+    }
+}