hadoop DefaultProviderFactory 源码
haddop DefaultProviderFactory 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-services/hadoop-yarn-services-core/src/main/java/org/apache/hadoop/yarn/service/provider/defaultImpl/DefaultProviderFactory.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.hadoop.yarn.service.provider.defaultImpl;
import org.apache.hadoop.yarn.service.provider.AbstractClientProvider;
import org.apache.hadoop.yarn.service.provider.ProviderService;
import org.apache.hadoop.yarn.service.provider.ProviderFactory;
public final class DefaultProviderFactory extends ProviderFactory {
private static final ProviderFactory FACTORY = new
DefaultProviderFactory();
private DefaultProviderFactory() {}
private static class Client {
static final AbstractClientProvider PROVIDER = new DefaultClientProvider();
}
private static class Server {
static final ProviderService PROVIDER = new DefaultProviderService();
}
@Override
public AbstractClientProvider createClientProvider() {
return Client.PROVIDER;
}
@Override
public ProviderService createServerProvider() {
return Server.PROVIDER;
}
public static ProviderFactory getInstance() {
return FACTORY;
}
}
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