1 files changed, 37 insertions, 0 deletions
diff --git a/connectivity/source/drivers/jdbc/jdbc.component b/connectivity/source/drivers/jdbc/jdbc.component
new file mode 100644
index 0000000000..86a6a079b4
--- /dev/null
+++ b/connectivity/source/drivers/jdbc/jdbc.component
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ -->
+
+<!-- Recent Java 6 VMs make calls to JNI Attach/DetachCurrentThread (which this
+     code does extensively) very expensive.  A follow-up JVM fix reduced the
+     overhead significantly again for all threads but the main thread.  So a
+     quick hack to improve performance of this component again is to confine it
+     in the affine apartment (where all code will run on a single, dedicated
+     thread that is guaranteed no to be the main thread).  However, a better fix
+     would still be to redesign the code so that it does not call
+     Attach/DetachCurrentThread so frequently:
+-->
+
+<component loader="com.sun.star.loader.SharedLibrary"
+    environment="@CPPU_ENV@:affine"
+    xmlns="http://openoffice.org/2010/uno-components">
+  <implementation name="com.sun.star.comp.sdbc.JDBCDriver"
+    constructor="connectivity_java_sql_Driver_get_implementation">
+    <service name="com.sun.star.sdbc.Driver"/>
+  </implementation>
+</component>