org.apache.ambari.server.orm.dao

Class KerberosPrincipalDAO

java.lang.Object

org.apache.ambari.server.orm.dao.KerberosPrincipalDAO

public class KerberosPrincipalDAO
extends Object

HostKerberosPrincipal Data Access Object.

Constructor Summary

Constructors

Constructor and Description
KerberosPrincipalDAO()

Method Summary

Modifier and Type	Method and Description
void	create(KerberosPrincipalEntity kerberosPrincipalEntity) Make an instance managed and persistent.
KerberosPrincipalEntity	create(String principalName, boolean service) Make an instance managed and persistent.
boolean	exists(String principalName) Tests the given principal name to see if it already exists.
KerberosPrincipalEntity	find(String principalName) Find a KerberosPrincipalEntity with the given principal name.
List<KerberosPrincipalEntity>	findAll() Find all kerberos principals.
KerberosPrincipalEntity	merge(KerberosPrincipalEntity kerberosPrincipalEntity) Merge the state of the given entity into the current persistence context.
void	refresh(KerberosPrincipalEntity kerberosPrincipalEntity) Refresh the state of the instance from the database, overwriting changes made to the entity, if any.
void	remove(KerberosPrincipalEntity kerberosPrincipalEntity) Remove the entity instance.
void	remove(List<KerberosPrincipalEntity> entities)
void	remove(String principalName) Remove entity instance by primary key
boolean	removeIfNotReferenced(KerberosPrincipalEntity kerberosPrincipalEntity) Determines if there are any references to the KerberosPrincipalEntity before attempting to remove it.

Methods inherited from class java.lang.Object

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

Constructor Detail

KerberosPrincipalDAO

public KerberosPrincipalDAO()

Method Detail

create

public void create(KerberosPrincipalEntity kerberosPrincipalEntity)

Make an instance managed and persistent.

Parameters:

kerberosPrincipalEntity - entity to persist

create

public KerberosPrincipalEntity create(String principalName,
                                      boolean service)

Make an instance managed and persistent.

Parameters:

principalName - the principal name to use when creating a new KerberosPrincipalEntity to store

service - a boolean value declaring whether the principal represents a service (true) or not )false).

merge

public KerberosPrincipalEntity merge(KerberosPrincipalEntity kerberosPrincipalEntity)

Merge the state of the given entity into the current persistence context.

Parameters:

kerberosPrincipalEntity - entity to merge

Returns:

the merged entity

remove

public void remove(KerberosPrincipalEntity kerberosPrincipalEntity)

Remove the entity instance.

Parameters:

kerberosPrincipalEntity - entity to remove

remove

public void remove(String principalName)

Remove entity instance by primary key

Parameters:

principalName - Primary key: kerberos principal name

refresh

public void refresh(KerberosPrincipalEntity kerberosPrincipalEntity)

Refresh the state of the instance from the database, overwriting changes made to the entity, if any.

Parameters:

kerberosPrincipalEntity - entity to refresh

find

public KerberosPrincipalEntity find(String principalName)

Find a KerberosPrincipalEntity with the given principal name.

Parameters:

principalName - name of kerberos principal to find

Returns:

a matching KerberosPrincipalEntity or null

findAll

public List<KerberosPrincipalEntity> findAll()

Find all kerberos principals.

Returns:

a List of all KerberosPrincipalEntity objects or an empty List

exists

public boolean exists(String principalName)

Tests the given principal name to see if it already exists.

Parameters:

principalName - name of kerberos principal to find

Returns:

true if the principal exists; false otherwise

remove

public void remove(List<KerberosPrincipalEntity> entities)

removeIfNotReferenced

public boolean removeIfNotReferenced(KerberosPrincipalEntity kerberosPrincipalEntity)

Determines if there are any references to the KerberosPrincipalEntity before attempting to remove it. If there are any references to it, the entity will be not be removed.

Parameters:

kerberosPrincipalEntity - the entity

Returns:

true, if the entity was remove; false otherwise