fe/src/main/java/org/apache/impala/authorization/ImpalaInternalAdminUser.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.impala.authorization;

/**
 * A singleton class that represents a special user type used for internal Impala
 * sessions (for example, populating the debug webpage Catalog view). This user has
 * all privileges on all objects in the server.
 */
public class ImpalaInternalAdminUser extends User {
  private final static ImpalaInternalAdminUser instance_ = new ImpalaInternalAdminUser();

  private ImpalaInternalAdminUser() {
    super("Impala Internal Admin User");
  }

  /*
   * Returns an instance of the ImpalaInternalAdminUser.
   */
  public static ImpalaInternalAdminUser getInstance() { return instance_; }
}