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java.lang.Object org.apache.hadoop.security.UserGroupInformation
public abstract class UserGroupInformation
A Writable
abstract class for storing user and groups information.
Field Summary | |
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static org.apache.commons.logging.Log |
LOG
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Constructor Summary | |
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UserGroupInformation()
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Method Summary | |
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static UserGroupInformation |
getCurrentUGI()
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abstract String[] |
getGroupNames()
Get the name of the groups that the user belong to |
abstract String |
getUserName()
Get username |
static UserGroupInformation |
login(Configuration conf)
Login and return a UserGroupInformation object. |
static UserGroupInformation |
readFrom(Configuration conf)
Read a UserGroupInformation from conf |
static void |
setCurrentUGI(UserGroupInformation ugi)
Set the UserGroupInformation for the current thread |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.hadoop.io.Writable |
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readFields, write |
Field Detail |
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public static final org.apache.commons.logging.Log LOG
Constructor Detail |
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public UserGroupInformation()
Method Detail |
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public static UserGroupInformation getCurrentUGI()
UserGroupInformation
for the current threadpublic static void setCurrentUGI(UserGroupInformation ugi)
UserGroupInformation
for the current thread
public abstract String getUserName()
public abstract String[] getGroupNames()
public static UserGroupInformation login(Configuration conf) throws LoginException
LoginException
public static UserGroupInformation readFrom(Configuration conf) throws IOException
UserGroupInformation
from conf
IOException
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