From 4aa6108c0d34fc19d89e71b8f892044ab9be8dca Mon Sep 17 00:00:00 2001
From: Javen O'Neal <onealj@apache.org>
Date: Fri, 4 Dec 2015 11:59:26 +0000
Subject: [PATCH] add hashCode for corresponding equals function

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1717940 13f79535-47bb-0310-9956-ffa450edef68
---
 .../org/apache/poi/ss/usermodel/ExcelStyleDateFormatter.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/java/org/apache/poi/ss/usermodel/ExcelStyleDateFormatter.java b/src/java/org/apache/poi/ss/usermodel/ExcelStyleDateFormatter.java
index 3e40fe5c7..5f37bce45 100644
--- a/src/java/org/apache/poi/ss/usermodel/ExcelStyleDateFormatter.java
+++ b/src/java/org/apache/poi/ss/usermodel/ExcelStyleDateFormatter.java
@@ -189,4 +189,9 @@ public class ExcelStyleDateFormatter extends SimpleDateFormat {
         ExcelStyleDateFormatter other = (ExcelStyleDateFormatter) o;
         return dateToBeFormatted == other.dateToBeFormatted;
     }
+    
+    @Override
+    public int hashCode() {
+        return new Double(dateToBeFormatted).hashCode();
+    }
 }