org.apache.pulsar.functions.utils.functioncache.FunctionClassLoaders Maven / Gradle / Ivy
/**
* 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.pulsar.functions.utils.functioncache;
import java.net.URL;
import java.net.URLClassLoader;
/**
* Class loaders for loading function code.
*/
public class FunctionClassLoaders {
/**
* Class loader that loads from the parent first and only after that from urls.
*/
static class ParentFirstClassLoader extends URLClassLoader {
public ParentFirstClassLoader(URL[] urls, ClassLoader parent) {
super(urls, parent);
}
public ParentFirstClassLoader(URL[] urls) {
this(urls, FunctionClassLoaders.class.getClassLoader());
}
}
public static URLClassLoader create(URL[] urls,
ClassLoader parent) {
return new ParentFirstClassLoader(urls, parent);
}
}