hadoop RefreshAuthorizationPolicyProtocol 源码

  • 2022-10-20
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haddop RefreshAuthorizationPolicyProtocol 代码

文件路径:/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/authorize/RefreshAuthorizationPolicyProtocol.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.security.authorize;

import java.io.IOException;

import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.io.retry.Idempotent;
import org.apache.hadoop.security.KerberosInfo;

/**
 * Protocol which is used to refresh the authorization policy in use currently.
 */
@KerberosInfo(
    serverPrincipal=CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_USER_NAME_KEY)
@InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"})
@InterfaceStability.Evolving
public interface RefreshAuthorizationPolicyProtocol {
  
  /**
   * Version 1: Initial version
   */
  public static final long versionID = 1L;

  /**
   * Refresh the service-level authorization policy in-effect.
   * @throws IOException raised on errors performing I/O.
   */
  @Idempotent
  void refreshServiceAcl() throws IOException;
}

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