hadoop PrivilegedEntity 源码

  • 2022-10-20
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haddop PrivilegedEntity 代码

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

import org.apache.hadoop.classification.InterfaceAudience.Private;
import org.apache.hadoop.classification.InterfaceStability.Unstable;
import org.apache.hadoop.yarn.api.records.ApplicationAccessType;
import org.apache.hadoop.yarn.api.records.QueueACL;

/**
 * An entity in YARN that can be guarded with ACLs. The entity could be an
 * application or a queue etc. An application entity has access types defined in
 * {@link ApplicationAccessType}, a queue entity has access types defined in
 * {@link QueueACL}.  
 */
@Private
@Unstable
public class PrivilegedEntity {

  public enum EntityType {
    QUEUE
  }

  EntityType type;
  String name;

  public PrivilegedEntity(EntityType type, String name) {
    this.type = type;
    this.name = name;
  }

  public PrivilegedEntity(String name) {
    this.type = EntityType.QUEUE;
    this.name = name;
  }

  public EntityType getType() {
    return type;
  }

  public String getName() {
    return name;
  }

  @Override
  public int hashCode() {
    final int prime = 31;
    int result = 1;
    result = prime * result + ((name == null) ? 0 : name.hashCode());
    result = prime * result + ((type == null) ? 0 : type.hashCode());
    return result;
  }

  @Override
  public boolean equals(Object obj) {
    if (this == obj)
      return true;
    if (obj == null)
      return false;
    if (getClass() != obj.getClass())
      return false;
    PrivilegedEntity other = (PrivilegedEntity) obj;
    if (name == null) {
      if (other.name != null)
        return false;
    } else if (!name.equals(other.name))
      return false;
    if (type != other.type)
      return false;
    return true;
  }
}

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