org.apache.ambari.server.orm.dao

Class ResourceDAO

java.lang.Object

org.apache.ambari.server.orm.dao.ResourceDAO

public class ResourceDAO
extends Object

Admin resource Data Access Object.

Constructor Summary

Constructors

Constructor and Description
ResourceDAO()

Method Summary

Modifier and Type	Method and Description
void	create(ResourceEntity entity) Make an instance managed and persistent.
List<ResourceEntity>	findAll() Find all resources.
ResourceEntity	findAmbariResource() Finds root level resource.
ResourceEntity	findById(Long id) Find a resource with the given id.
ResourceEntity	findByResourceTypeId(Integer id) Find a resource with the given resource type id.
ResourceEntity	merge(ResourceEntity entity)

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceDAO

public ResourceDAO()

Method Detail

findById

public ResourceEntity findById(Long id)

Find a resource with the given id.

Parameters:

id - type id

Returns:

a matching resource type or null

findByResourceTypeId

public ResourceEntity findByResourceTypeId(Integer id)

Find a resource with the given resource type id.

Parameters:

id - type id

Returns:

a matching resource or null

findAll

public List<ResourceEntity> findAll()

Find all resources.

Returns:

all resources or an empty List

create

public void create(ResourceEntity entity)

Make an instance managed and persistent.

Parameters:

entity - entity to store

merge

public ResourceEntity merge(ResourceEntity entity)

findAmbariResource

public ResourceEntity findAmbariResource()

Finds root level resource.

Returns:

the matching resource or null