org.apache.ambari.server.orm.dao

Class ViewDAO

java.lang.Object

org.apache.ambari.server.orm.dao.ViewDAO

public class ViewDAO
extends Object

View Data Access Object.

Constructor Summary

Constructors

Constructor and Description
ViewDAO()

Method Summary

Modifier and Type	Method and Description
void	create(ViewEntity ViewEntity) Make an instance managed and persistent.
List<ViewEntity>	findAll() Find all views.
List<ViewEntity>	findByCommonName(String viewCommonName) Find a view with a given common name.
ViewEntity	findByName(String viewName) Find a view with a given name.
ViewEntity	merge(ViewEntity ViewEntity) Merge the state of the given entity into the current persistence context.
void	refresh(ViewEntity ViewEntity) Refresh the state of the instance from the database, overwriting changes made to the entity, if any.
void	remove(ViewEntity ViewEntity) Remove the entity instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

ViewDAO

public ViewDAO()

Method Detail

findByName

public ViewEntity findByName(String viewName)

Find a view with a given name.

Parameters:

viewName - name of view to find

Returns:

a matching view or null

findByCommonName

public List<ViewEntity> findByCommonName(String viewCommonName)

Find a view with a given common name.

Parameters:

viewCommonName - common name of view to find

Returns:

a matching view or null

findAll

public List<ViewEntity> findAll()

Find all views.

Returns:

all views or an empty List

refresh

public void refresh(ViewEntity ViewEntity)

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

Parameters:

ViewEntity - entity to refresh

create

public void create(ViewEntity ViewEntity)

Make an instance managed and persistent.

Parameters:

ViewEntity - entity to store

merge

public ViewEntity merge(ViewEntity ViewEntity)

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

Parameters:

ViewEntity - entity to merge

Returns:

the merged entity

remove

public void remove(ViewEntity ViewEntity)

Remove the entity instance.

Parameters:

ViewEntity - entity to remove