kafka LoaderSwap 源码
kafka LoaderSwap 代码
文件路径：/connect/runtime/src/main/java/org/apache/kafka/connect/runtime/isolation/LoaderSwap.java
/*
* 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.kafka.connect.runtime.isolation;
/**
* Helper for having {@code Plugins} use a given classloader within a try-with-resources statement.
* See {@link Plugins#withClassLoader(ClassLoader)}.
*/
public class LoaderSwap implements AutoCloseable {
private final ClassLoader savedLoader;
public LoaderSwap(ClassLoader savedLoader) {
this.savedLoader = savedLoader;
}
@Override
public void close() {
Plugins.compareAndSwapLoaders(savedLoader);
}
}
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