[강운덕] [LUCYSUS-1744] 일단 singleton유지.

git-svn-id: http://svn.bds.nhncorp.com/pe/hippo-tomcat-profiler/trunk@503 84d0f5b1-2673-498c-a247-62c4ff18d310

src/main/java/com/profiler/sender/DataSender.java

@@ -36,6 +36,15 @@ public class DataSender extends Thread {
     // 주의 single thread용임
     private HeaderTBaseSerializer serializer = new HeaderTBaseSerializer();
 
+    private static class SingletonHolder {
+        public static final DataSender INSTANCE = new DataSender();
+    }
+
+    public static DataSender getInstance() {
+        return SingletonHolder.INSTANCE;
+    }
+
+
     private DataSender() {
         udpSocket = createSocket();
         setName("HIPPO-DataSender");