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Diffstat (limited to 'connectivity/source/drivers/jdbc/jdbc.component')
| -rw-r--r-- | connectivity/source/drivers/jdbc/jdbc.component | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/connectivity/source/drivers/jdbc/jdbc.component b/connectivity/source/drivers/jdbc/jdbc.component new file mode 100644 index 000000000..07fd03c68 --- /dev/null +++ b/connectivity/source/drivers/jdbc/jdbc.component @@ -0,0 +1,36 @@ +<?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" prefix="jdbc" + xmlns="http://openoffice.org/2010/uno-components"> + <implementation name="com.sun.star.comp.sdbc.JDBCDriver"> + <service name="com.sun.star.sdbc.Driver"/> + </implementation> +</component> |