org.apache.ambari.server.orm.dao

Class HostDAO

java.lang.Object

org.apache.ambari.server.orm.dao.HostDAO

public class HostDAO
extends Object

Constructor Summary

Constructors

Constructor and Description
HostDAO()

Method Summary

Modifier and Type	Method and Description
void	create(HostEntity hostEntity)
List<HostEntity>	findAll()
HostEntity	findById(long hostId) Looks for Host by ID
HostEntity	findByName(String hostName)
List<HostEntity>	findByStage(StageEntity stageEntity)
List<String>	getHostNamesByHostIds(List<Long> hostIds)
HostEntity	merge(HostEntity hostEntity)
void	refresh(HostEntity hostEntity) Refreshes entity state from database
void	remove(HostEntity hostEntity)

Methods inherited from class java.lang.Object

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

Constructor Detail

HostDAO

public HostDAO()

Method Detail

findById

public HostEntity findById(long hostId)

Looks for Host by ID

Parameters:

hostId - ID of Host

Returns:

Found entity or NULL

findByName

public HostEntity findByName(String hostName)

findAll

public List<HostEntity> findAll()

findByStage

public List<HostEntity> findByStage(StageEntity stageEntity)

refresh

public void refresh(HostEntity hostEntity)

Refreshes entity state from database

Parameters:

hostEntity - entity to refresh

create

public void create(HostEntity hostEntity)

merge

public HostEntity merge(HostEntity hostEntity)

remove

public void remove(HostEntity hostEntity)

getHostNamesByHostIds

public List<String> getHostNamesByHostIds(List<Long> hostIds)