From 5e1b7be4848439c1d1f5a0b663a73857acdf05c6 Mon Sep 17 00:00:00 2001
From: Brett Wooldridge <brett.wooldridge@gmail.com>
Date: Wed, 19 Mar 2014 12:29:33 +0900
Subject: [PATCH] Implement unwrap()

---
 src/main/java/com/zaxxer/hikari/HikariDataSource.java | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/zaxxer/hikari/HikariDataSource.java b/src/main/java/com/zaxxer/hikari/HikariDataSource.java
index 6e419d3b..1e43a5cc 100644
--- a/src/main/java/com/zaxxer/hikari/HikariDataSource.java
+++ b/src/main/java/com/zaxxer/hikari/HikariDataSource.java
@@ -146,10 +146,15 @@ public class HikariDataSource extends HikariConfig implements DataSource
 
     /** {@inheritDoc} */
     @Override
+    @SuppressWarnings("unchecked")
     public <T> T unwrap(Class<T> iface) throws SQLException
     {
-        // TODO Auto-generated method stub
-        return null;
+        if (pool != null && iface.isInstance(pool.dataSource))
+        {
+            return (T) pool.dataSource;
+        }
+
+        throw new SQLException("Wrapped connection is not an instance of " + iface);
     }
 
     /** {@inheritDoc} */