hadoop AMRMProxyApplicationContext 源码
haddop AMRMProxyApplicationContext 代码
文件路径：/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/amrmproxy/AMRMProxyApplicationContext.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.server.nodemanager.amrmproxy;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.registry.client.api.RegistryOperations;
import org.apache.hadoop.security.Credentials;
import org.apache.hadoop.security.token.Token;
import org.apache.hadoop.yarn.api.records.ApplicationAttemptId;
import org.apache.hadoop.yarn.security.AMRMTokenIdentifier;
import org.apache.hadoop.yarn.server.nodemanager.Context;
/**
* Interface that can be used by the interceptor plugins to get the information
* about one application.
*
*/
public interface AMRMProxyApplicationContext {
/**
* Gets the configuration object instance.
* @return the configuration object.
*/
Configuration getConf();
/**
* Gets the application attempt identifier.
* @return the application attempt identifier.
*/
ApplicationAttemptId getApplicationAttemptId();
/**
* Gets the application submitter.
* @return the application submitter
*/
String getUser();
/**
* Gets the application's AMRMToken that is issued by the RM.
* @return the application's AMRMToken that is issued by the RM.
*/
Token<AMRMTokenIdentifier> getAMRMToken();
/**
* Gets the application's local AMRMToken issued by the proxy service.
* @return the application's local AMRMToken issued by the proxy service.
*/
Token<AMRMTokenIdentifier> getLocalAMRMToken();
/**
* Gets the NMContext object.
* @return the NMContext.
*/
Context getNMCotext();
/**
* Gets the credentials of this application.
*
* @return the credentials.
*/
Credentials getCredentials();
/**
* Gets the registry client.
*
* @return the registry.
*/
RegistryOperations getRegistryClient();
}
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