| /* |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.ignite.internal.processors.igfs; |
| |
| import org.apache.ignite.internal.processors.hadoop.HadoopClassLoader; |
| import org.apache.ignite.internal.util.typedef.internal.S; |
| import org.apache.ignite.thread.IgniteThreadFactory; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Special thread factory used only for IGFS pool which prevents {@link HadoopClassLoader} leak into |
| * {@code Thread.contextClassLoader} field. To achieve this we switch context class loader back and forth when |
| * creating threads. |
| */ |
| public class IgfsThreadFactory extends IgniteThreadFactory { |
| /** |
| * Constructor. |
| * |
| * @param igniteInstanceName Ignite instance name. |
| * @param threadName Thread name. |
| */ |
| public IgfsThreadFactory(String igniteInstanceName, String threadName) { |
| super(igniteInstanceName, threadName); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public Thread newThread(@NotNull Runnable r) { |
| Thread curThread = Thread.currentThread(); |
| |
| ClassLoader oldLdr = curThread.getContextClassLoader(); |
| |
| curThread.setContextClassLoader(IgfsThreadFactory.class.getClassLoader()); |
| |
| try { |
| return super.newThread(r); |
| } |
| finally { |
| curThread.setContextClassLoader(oldLdr); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public String toString() { |
| return S.toString(IgfsThreadFactory.class, this); |
| } |
| } |