com.hazelcast.instance.NodeExtensionFactory Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2018, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.instance;
import com.hazelcast.logging.Logger;
import com.hazelcast.spi.annotation.PrivateApi;
import com.hazelcast.util.ExceptionUtil;
import com.hazelcast.util.ServiceLoader;
import java.lang.reflect.Constructor;
import java.util.Iterator;
@PrivateApi
public final class NodeExtensionFactory {
private static final String FACTORY_ID = "com.hazelcast.instance.NodeExtension";
private NodeExtensionFactory() {
}
public static NodeExtension create(Node node) {
try {
ClassLoader classLoader = node.getConfigClassLoader();
Iterator> iter = ServiceLoader.classIterator(NodeExtension.class, FACTORY_ID, classLoader);
while (iter.hasNext()) {
Class clazz = iter.next();
if (!(clazz.equals(DefaultNodeExtension.class))) {
if (clazz.getName().equals(DefaultNodeExtension.class.getName())) {
Logger.getLogger(NodeExtensionFactory.class).warning(
"DefaultNodeExtension class has been loaded by two different class-loaders. "
+ "Classloader 1: " + NodeExtensionFactory.class.getClassLoader() + ", "
+ "Classloader 2: " + clazz.getClassLoader() + ". "
+ "Are you running Hazelcast in an OSGi environment? "
+ "If so, set the bundle class-loader in the Config using the setClassloader() method");
}
Constructor constructor = clazz
.getDeclaredConstructor(new Class[]{Node.class});
return constructor.newInstance(node);
}
}
} catch (Exception e) {
throw ExceptionUtil.rethrow(e);
}
return new DefaultNodeExtension(node);
}
}