Package org.dspace.eperson.dao.impl

Class Group2GroupCacheDAOImpl

java.lang.Object

org.dspace.core.AbstractHibernateDAO<Group2GroupCache>

org.dspace.eperson.dao.impl.Group2GroupCacheDAOImpl

All Implemented Interfaces:

GenericDAO<Group2GroupCache>, Group2GroupCacheDAO

public class Group2GroupCacheDAOImpl
extends AbstractHibernateDAO<Group2GroupCache>
implements Group2GroupCacheDAO

Hibernate implementation of the Database Access Object interface class for the Group2GroupCache object. This class is responsible for all database calls for the Group2GroupCache object and is autowired by Spring. This class should never be accessed directly.

Author:

kevinvandevelde at atmire.com

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Group2GroupCacheDAOImpl()

Method Summary

Modifier and Type	Method	Description
void	addToCache(Context context, UUID parent, UUID child)	Adds a single row to the cache table given parent and child groups UUIDs.
void	deleteAll(Context context)	Completely deletes the current cache table.
void	deleteFromCache(Context context, UUID parent, UUID child)	Deletes a specific cache row given parent and child groups UUIDs.
Group2GroupCache	find(Context context, Group parent, Group child)	Returns the cache entity given specific parent and child groups.
List<Group2GroupCache>	findByChildren(Context context, Iterable<Group> groups)	Returns all cache entities that are parents of at least one group from a children groups list.
List<Group2GroupCache>	findByParent(Context context, Group group)	Returns all cache entities that are children of a given parent Group entity.
Group2GroupCache	findByParentAndChild(Context context, Group parent, Group child)	Returns the cache entity given specific parent and child groups.
Set<org.apache.commons.lang3.tuple.Pair<UUID,UUID>>	getCache(Context context)	Returns the current cache table as a set of UUID pairs.

Methods inherited from class org.dspace.core.AbstractHibernateDAO

count, count, countLong, create, createQuery, createQuery, delete, executeCriteriaQuery, findAll, findAll, findByID, findByID, findByID, findByX, findMany, findMany, findUnique, getCriteriaBuilder, getCriteriaQuery, getHibernateSession, iterate, list, list, list, list, save, singleResult, singleResult, uniqueResult, uniqueResult

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.dspace.core.GenericDAO

create, delete, findAll, findAll, findByID, findByID, findByID, findMany, findUnique, save

Constructor Details

Group2GroupCacheDAOImpl

protected Group2GroupCacheDAOImpl()

Method Details

getCache

public Set<org.apache.commons.lang3.tuple.Pair<UUID,UUID>> getCache(Context context)
                                                             throws SQLException

Description copied from interface: Group2GroupCacheDAO

Returns the current cache table as a set of UUID pairs.

Specified by:

getCache in interface Group2GroupCacheDAO

Parameters:

context - The relevant DSpace Context.

Returns:

Set of UUID pairs, where the first element is the parent UUID and the second one is the child UUID.

Throws:

SQLException - An exception that provides information on a database access error or other errors.

findByParent

public List<Group2GroupCache> findByParent(Context context,
 Group group)
                                    throws SQLException

Description copied from interface: Group2GroupCacheDAO

Returns all cache entities that are children of a given parent Group entity.

Specified by:

findByParent in interface Group2GroupCacheDAO

Parameters:

context - The relevant DSpace Context.

group - Parent group to perform the search.

Returns:

List of cached groups that are children of the parent group.

Throws:

SQLException - An exception that provides information on a database access error or other errors.

findByChildren

public List<Group2GroupCache> findByChildren(Context context,
 Iterable<Group> groups)
                                      throws SQLException

Description copied from interface: Group2GroupCacheDAO

Returns all cache entities that are parents of at least one group from a children groups list.

Specified by:

findByChildren in interface Group2GroupCacheDAO

Parameters:

context - The relevant DSpace Context.

groups - Children groups to perform the search.

Returns:

List of cached groups that are parents of at least one group from the children groups list.

Throws:

SQLException - An exception that provides information on a database access error or other errors.

findByParentAndChild

public Group2GroupCache findByParentAndChild(Context context,
 Group parent,
 Group child)
                                      throws SQLException

Description copied from interface: Group2GroupCacheDAO

Returns the cache entity given specific parent and child groups.

Specified by:

findByParentAndChild in interface Group2GroupCacheDAO

Parameters:

context - The relevant DSpace Context.

parent - Parent group.

child - Child gruoup.

Returns:

Cached group.

Throws:

SQLException - An exception that provides information on a database access error or other errors.

find

public Group2GroupCache find(Context context,
 Group parent,
 Group child)
                      throws SQLException

Description copied from interface: Group2GroupCacheDAO

Returns the cache entity given specific parent and child groups.

Specified by:

find in interface Group2GroupCacheDAO

Parameters:

context - The relevant DSpace Context.

parent - Parent group.

child - Child gruoup.

Returns:

Cached group.

Throws:

SQLException - An exception that provides information on a database access error or other errors.

deleteAll

public void deleteAll(Context context)
               throws SQLException

Description copied from interface: Group2GroupCacheDAO

Completely deletes the current cache table.

Specified by:

deleteAll in interface Group2GroupCacheDAO

Parameters:

context - The relevant DSpace Context.

Throws:

SQLException - An exception that provides information on a database access error or other errors.

deleteFromCache

public void deleteFromCache(Context context,
 UUID parent,
 UUID child)
                     throws SQLException

Description copied from interface: Group2GroupCacheDAO

Deletes a specific cache row given parent and child groups UUIDs.

Specified by:

deleteFromCache in interface Group2GroupCacheDAO

Parameters:

context - The relevant DSpace Context.

parent - Parent group UUID.

child - Child group UUID.

Throws:

SQLException - An exception that provides information on a database access error or other errors.

addToCache

public void addToCache(Context context,
 UUID parent,
 UUID child)
                throws SQLException

Description copied from interface: Group2GroupCacheDAO

Adds a single row to the cache table given parent and child groups UUIDs.

Specified by:

addToCache in interface Group2GroupCacheDAO

Parameters:

context - The relevant DSpace Context.

parent - Parent group UUID.

child - Child group UUID.

Throws:

SQLException - An exception that provides information on a database access error or other errors.