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## org.apache.hadoop.security
Enum UserGroupInformation.AuthenticationMethod

    java.lang.Object
      java.lang.Enum<UserGroupInformation.AuthenticationMethod>
          org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod

All Implemented Interfaces:
  Serializable, Comparable<UserGroupInformation.AuthenticationMethod>

Enclosing class:
  UserGroupInformation

    public static enum UserGroupInformation.AuthenticationMethod

extends Enum<UserGroupInformation.AuthenticationMethod>

existing types of authentications' methods

Enum Constant Summary
`CERTIFICATE`
`KERBEROS`
`KERBEROS_SSL`
`PROXY`
`SIMPLE`
`TOKEN`

Method Summary
`static UserGroupInformation.AuthenticationMethod` | `valueOf(String name)` Returns the enum constant of this type with the specified name.
`static UserGroupInformation.AuthenticationMethod[]` | `values()` Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum
`clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf`

Methods inherited from class java.lang.Object
`getClass, notify, notifyAll, wait, wait, wait`

Enum Constant Detail

### SIMPLE

    public static final UserGroupInformation.AuthenticationMethod SIMPLE

### KERBEROS

    public static final UserGroupInformation.AuthenticationMethod KERBEROS

### TOKEN

    public static final UserGroupInformation.AuthenticationMethod TOKEN

### CERTIFICATE

    public static final UserGroupInformation.AuthenticationMethod CERTIFICATE

### KERBEROS_SSL

    public static final UserGroupInformation.AuthenticationMethod KERBEROS_SSL

### PROXY

    public static final UserGroupInformation.AuthenticationMethod PROXY

Method Detail

### values

    public static UserGroupInformation.AuthenticationMethod[] values()

  Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

      for (UserGroupInformation.AuthenticationMethod c : UserGroupInformation.AuthenticationMethod.values())
          System.out.println(c);

  Returns:
    an array containing the constants of this enum type, in the order they are declared

### valueOf

    public static UserGroupInformation.AuthenticationMethod valueOf(String name)

  Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

  Parameters:
    `name` - the name of the enum constant to be returned.
  Returns:
    the enum constant with the specified name
  Throws:
    `IllegalArgumentException` - if this enum type has no constant with the specified name
    `NullPointerException` - if the argument is null

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Copyright © 2009 The Apache Software Foundation