动态人物管理增加自检机制。防止内存溢出

src/main/java/com/genersoft/iot/vmp/conf/DynamicTask.java

@@ -5,6 +5,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
+import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
 import org.springframework.stereotype.Component;
 
@@ -120,4 +121,19 @@ public class DynamicTask {
     public Runnable get(String key) {
         return runnableMap.get(key);
     }
+
+    /**
+     * 每五分钟检查失效的任务，并移除
+     */
+    @Scheduled(cron="0 0/5 * * * ?")
+    public void execute(){
+        if (futureMap.size() > 0) {
+            for (String key : futureMap.keySet()) {
+                if (futureMap.get(key).isDone()) {
+                    futureMap.remove(key);
+                    runnableMap.remove(key);
+                }
+            }
+        }
+    }
 }