org.apache.hadoop.security.token.delegation

Class DelegationKey

java.lang.Object

org.apache.hadoop.security.token.delegation.DelegationKey

All Implemented Interfaces:

Writable

Direct Known Subclasses:

BlockKey

@InterfaceAudience.LimitedPrivate(value={"HDFS","MapReduce"})
@InterfaceStability.Evolving
public class DelegationKey
extends Object
implements Writable

Key used for generating and verifying delegation tokens

Constructor Summary

Constructors

Constructor and Description
DelegationKey() Default constructore required for Writable
DelegationKey(int keyId, long expiryDate, byte[] encodedKey)
DelegationKey(int keyId, long expiryDate, SecretKey key)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object right)
byte[]	getEncodedKey()
long	getExpiryDate()
SecretKey	getKey()
int	getKeyId()
int	hashCode()
void	readFields(DataInput in) Deserialize the fields of this object from in.
void	setExpiryDate(long expiryDate)
void	write(DataOutput out) Serialize the fields of this object to out.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DelegationKey

public DelegationKey()

Default constructore required for Writable

DelegationKey

public DelegationKey(int keyId,
             long expiryDate,
             SecretKey key)

DelegationKey

public DelegationKey(int keyId,
             long expiryDate,
             byte[] encodedKey)

Method Detail

getKeyId

public int getKeyId()

getExpiryDate

public long getExpiryDate()

getKey

public SecretKey getKey()

getEncodedKey

public byte[] getEncodedKey()

setExpiryDate

public void setExpiryDate(long expiryDate)

write

public void write(DataOutput out)
           throws IOException

Description copied from interface: Writable

Serialize the fields of this object to out.

Specified by:

write in interface Writable

Parameters:

out - DataOuput to serialize this object into.

Throws:

IOException

readFields

public void readFields(DataInput in)
                throws IOException

Description copied from interface: Writable

Deserialize the fields of this object from in.

For efficiency, implementations should attempt to re-use storage in the existing object where possible.

Specified by:

readFields in interface Writable

Parameters:

in - DataInput to deseriablize this object from.

Throws:

IOException

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object right)

Overrides:

equals in class Object