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/**
 * 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 org.apache.hadoop.shaded.com.liance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org.apache.hadoop.shaded.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.shaded.org.apache.hadoop.yarn.security.admin;

import java.lang.annotation.Annotation;

import org.apache.hadoop.shaded.org.apache.hadoop.classification.InterfaceAudience.Public;
import org.apache.hadoop.shaded.org.apache.hadoop.classification.InterfaceStability.Stable;
import org.apache.hadoop.shaded.org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.shaded.org.apache.hadoop.security.KerberosInfo;
import org.apache.hadoop.shaded.org.apache.hadoop.security.SecurityInfo;
import org.apache.hadoop.shaded.org.apache.hadoop.security.token.TokenInfo;
import org.apache.hadoop.shaded.org.apache.hadoop.yarn.conf.YarnConfiguration;
import org.apache.hadoop.shaded.org.apache.hadoop.yarn.server.api.ResourceManagerAdministrationProtocolPB;

@Public
@Stable
public class AdminSecurityInfo extends SecurityInfo {

  @Override
  public KerberosInfo getKerberosInfo(Class protocol, Configuration conf) {
    if (!protocol.equals(ResourceManagerAdministrationProtocolPB.class)) {
      return null;
    }
    return new KerberosInfo() {

      @Override
      public Class annotationType() {
        return null;
      }

      @Override
      public String serverPrincipal() {
        return YarnConfiguration.RM_PRINCIPAL;
      }

      @Override
      public String clientPrincipal() {
        return null;
      }
    };
  }

  @Override
  public TokenInfo getTokenInfo(Class protocol, Configuration conf) {
    return null;
  }

}