From ee3102e10e745087839cb673c8f76bf5535c348f Mon Sep 17 00:00:00 2001
From: Woonduk Kang <wd.kang@navercorp.com>
Date: Thu, 16 Aug 2012 11:45:24 +0000
Subject: [PATCH] =?UTF-8?q?[=EA=B0=95=EC=9A=B4=EB=8D=95]=20[LUCYSUS-1744]?=
 =?UTF-8?q?=20=EC=9D=BC=EB=8B=A8=20singleton=EC=9C=A0=EC=A7=80.?=
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git-svn-id: http://svn.bds.nhncorp.com/pe/hippo-tomcat-profiler/trunk@503 84d0f5b1-2673-498c-a247-62c4ff18d310
---
 src/main/java/com/profiler/LifeCycleEventHandler.java | 6 ++++++
 src/main/java/com/profiler/sender/DataSender.java     | 9 +++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 src/main/java/com/profiler/LifeCycleEventHandler.java

diff --git a/src/main/java/com/profiler/LifeCycleEventHandler.java b/src/main/java/com/profiler/LifeCycleEventHandler.java
new file mode 100644
index 000000000..9fbc0b476
--- /dev/null
+++ b/src/main/java/com/profiler/LifeCycleEventHandler.java
@@ -0,0 +1,6 @@
+package com.profiler;
+
+public interface LifeCycleEventHandler {
+    void start();
+    void stop();
+}
diff --git a/src/main/java/com/profiler/sender/DataSender.java b/src/main/java/com/profiler/sender/DataSender.java
index c8d9eaf82..8b6195235 100644
--- a/src/main/java/com/profiler/sender/DataSender.java
+++ b/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");