org.apache.ambari.server.orm.dao

Class HostVersionDAO

java.lang.Object

org.apache.ambari.server.orm.dao.CrudDAO<HostVersionEntity,Long>

org.apache.ambari.server.orm.dao.HostVersionDAO

public class HostVersionDAO
extends CrudDAO<HostVersionEntity,Long>

The HostVersionDAO class manages the HostVersionEntity instances associated with a host. Each host can have multiple stack versions in RepositoryVersionState.INSTALLED which are installed, exactly one stack version that is either RepositoryVersionState.CURRENT or RepositoryVersionState.INSTALLING.

Constructor Summary

Constructors

Constructor and Description
HostVersionDAO() Constructor.

Method Summary

Modifier and Type	Method and Description
void	create(HostVersionEntity entity) Construct a Host Version.
List<HostVersionEntity>	findByCluster(String clusterName) Retrieve all of the cluster versions for the given cluster name.
List<HostVersionEntity>	findByClusterAndHost(String clusterName, String hostName) Retrieve all of the host versions for the given cluster name and host name.
List<HostVersionEntity>	findByClusterAndState(String clusterName, RepositoryVersionState state) Retrieve all of the host versions for the given cluster name, and state.
List<HostVersionEntity>	findByClusterHostAndState(String clusterName, String hostName, RepositoryVersionState state) Retrieve all of the host versions for the given cluster name, host name, and state.
List<HostVersionEntity>	findByClusterStackAndVersion(String clusterName, StackId stackId, String version) Retrieve all of the host versions for the given cluster name, stack name, and stack version.
HostVersionEntity	findByClusterStackVersionAndHost(String clusterName, StackId stackId, String version, String hostName) Retrieve the single host version for the given cluster, stack name, stack version, and host name.
List<HostVersionEntity>	findByHost(String hostName) Retrieve all of the host versions for the given host name across all clusters.
List<HostVersionEntity>	findByRepositoryAndStates(RepositoryVersionEntity repositoryVersion, Collection<RepositoryVersionState> states) Gets all host version entities that are of the given states
List<HostVersionEntity>	findHostVersionByClusterAndRepository(long clusterId, RepositoryVersionEntity repositoryVersion) Gets all host version entities assocaited with the specified cluster and repository.
HostVersionEntity	findHostVersionByHostAndRepository(HostEntity host, RepositoryVersionEntity repositoryVersion) Gets the HostVersionEntity associted with the specified host and repository.
void	removeByHostName(String hostName)

Methods inherited from class org.apache.ambari.server.orm.dao.CrudDAO

findAll, findByPK, findMaxId, merge, refresh, remove, remove, removeByPK

Methods inherited from class java.lang.Object

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

Constructor Detail

HostVersionDAO

public HostVersionDAO()

Constructor.

Method Detail

create

public void create(HostVersionEntity entity)
            throws IllegalArgumentException

Construct a Host Version. Additionally this will update parent connection relations without forcing refresh of parent entity

Overrides:

create in class CrudDAO<HostVersionEntity,Long>

Parameters:

entity - entity to create

Throws:

IllegalArgumentException

findByClusterStackAndVersion

public List<HostVersionEntity> findByClusterStackAndVersion(String clusterName,
                                                            StackId stackId,
                                                            String version)

Retrieve all of the host versions for the given cluster name, stack name, and stack version.

Parameters:

clusterName - Cluster name

stackId - Stack (e.g., HDP-2.2)

version - Stack version (e.g., 2.2.0.1-995)

Returns:

Return all of the host versions that match the criteria.

findByHost

public List<HostVersionEntity> findByHost(String hostName)

Retrieve all of the host versions for the given host name across all clusters.

Parameters:

hostName - FQDN of host

Returns:

Return all of the host versions that match the criteria.

findByClusterAndHost

public List<HostVersionEntity> findByClusterAndHost(String clusterName,
                                                    String hostName)

Retrieve all of the host versions for the given cluster name and host name.

Parameters:

clusterName - Cluster name

hostName - FQDN of host

Returns:

Return all of the host versions that match the criteria.

findByCluster

public List<HostVersionEntity> findByCluster(String clusterName)

Retrieve all of the cluster versions for the given cluster name.

Parameters:

clusterName - Cluster name

Returns:

Return all of the host versions that match the criteria.

findByClusterAndState

public List<HostVersionEntity> findByClusterAndState(String clusterName,
                                                     RepositoryVersionState state)

Retrieve all of the host versions for the given cluster name, and state.

Parameters:

clusterName - Cluster name

state - repository version state

Returns:

Return all of the host versions that match the criteria.

findByClusterHostAndState

public List<HostVersionEntity> findByClusterHostAndState(String clusterName,
                                                         String hostName,
                                                         RepositoryVersionState state)

Retrieve all of the host versions for the given cluster name, host name, and state.

Parameters:

clusterName - Cluster name

hostName - FQDN of host

state - repository version state

Returns:

Return all of the host versions that match the criteria.

findByClusterStackVersionAndHost

public HostVersionEntity findByClusterStackVersionAndHost(String clusterName,
                                                          StackId stackId,
                                                          String version,
                                                          String hostName)

Retrieve the single host version for the given cluster, stack name, stack version, and host name.
This query is slow and not suitable for frequent use.

Parameters:

clusterName - Cluster name

stackId - Stack ID (e.g., HDP-2.2)

version - Stack version (e.g., 2.2.0.1-995)

hostName - FQDN of host

Returns:

Returns the single host version that matches the criteria.

findHostVersionByClusterAndRepository

public List<HostVersionEntity> findHostVersionByClusterAndRepository(long clusterId,
                                                                     RepositoryVersionEntity repositoryVersion)

Gets all host version entities assocaited with the specified cluster and repository.

Parameters:

clusterId - the cluster ID.

repositoryVersion - the repository (not null).

Returns:

the host versions.

findByRepositoryAndStates

public List<HostVersionEntity> findByRepositoryAndStates(RepositoryVersionEntity repositoryVersion,
                                                         Collection<RepositoryVersionState> states)

Gets all host version entities that are of the given states

Parameters:

repositoryVersion - the repository (not null)

states - the states

Returns:

the host versions

findHostVersionByHostAndRepository

public HostVersionEntity findHostVersionByHostAndRepository(HostEntity host,
                                                            RepositoryVersionEntity repositoryVersion)

Gets the HostVersionEntity associted with the specified host and repository.

Parameters:

host -

repositoryVersion -

Returns:

removeByHostName

public void removeByHostName(String hostName)