close db then plugin is disabled

src/main/java/li/inc/PlaytimeReloaded/DataStore/DB/DB.java

@@ -35,4 +35,9 @@ public class DB
     {
         return m_DBClass.getPlayerTime(_playerUUID);
     }
+
+    public void close()
+    {
+        m_DBClass.close();
+    }
 }

src/main/java/li/inc/PlaytimeReloaded/DataStore/DB/IDB.java

@@ -32,4 +32,5 @@ public interface IDB
     public void update(UUID _playerUUID, int _newTime);
     public List<String[]> getTopPlayers(int _count);
     public int getPlayerTime(UUID _playerUUID);
+    public void close();
 }

src/main/java/li/inc/PlaytimeReloaded/DataStore/DB/MySQL.java

@@ -111,4 +111,13 @@ public class MySQL implements IDB
 
         return 0;
     }
+
+    public void close()
+    {
+        try {
+            m_MySqlTools.getConnection().close();
+        } catch (SQLException throwables) {
+            throwables.printStackTrace();
+        }
+    }
 }

src/main/java/li/inc/PlaytimeReloaded/DataStore/DB/SQLLite.java

@@ -133,4 +133,13 @@ public class SQLLite implements IDB
 
         return 0;
     }
+
+    public void close()
+    {
+        try {
+            m_connection.close();
+        } catch (SQLException throwables) {
+            throwables.printStackTrace();
+        }
+    }
 }

src/main/java/li/inc/PlaytimeReloaded/Playtime.java

@@ -52,7 +52,7 @@ public class Playtime extends JavaPlugin implements Listener
 
         //Load the text from the lang config.
         if(m_db == null)
-        m_db = new DB(this, m_config);
+            m_db = new DB(this, m_config);
 
         getServer().getPluginManager().registerEvents(this, this);
 
@@ -62,6 +62,17 @@ public class Playtime extends JavaPlugin implements Listener
             }}, 0, 1200);
     }
 
+    @Override
+    public void onDisable()
+    {
+        //Load the text from the lang config.
+        if(m_db != null)
+        {
+            m_db.close();
+            m_db = null;
+        }
+    }
+
     public static boolean isInteger(String s) {
         try {
             Integer.parseInt(s);