com.atlassian.confluence.internal.relations.dao

Interface RelationDao<S extends RelatableEntity,T extends RelatableEntity>

All Known Implementing Classes:

Content2ContentHibernateRelationDao, HibernateRelationDao, User2ContentHibernateRelationDao, User2UserHibernateRelationDao

public interface RelationDao<S extends RelatableEntity,T extends RelatableEntity>

Relation dao interface.

Since:

5.9

See Also:

RelationManager

Method Summary

Modifier and Type	Method and Description
RelationEntity<S,T>	createRelationEntity(S source, T target, RelationDescriptor relationDescriptor) Create new relation.
RelationEntity<S,T>	getRelationEntity(S source, T target, RelationDescriptor relationDescriptor) Get relation for given content, type and name.
int	getRelationsCount(S source, T target, RelationDescriptor relationDescriptor) Get total number of relations for given content, type and name.
List<S>	getSources(RelationQuery<T> request, int start, int limit) Fetch all related sources for the entity.
int	getSourcesCount(RelationQuery<T> request) Count of all related sources for the entity.
List<T>	getTargets(RelationQuery<S> request, int start, int limit) Fetch all related targets for the entity.
int	getTargetsCount(RelationQuery<S> request) Count of all related targets for the entity.
int	removeAllRelations(RelatableEntity relatableEntity) This method removes all relations (across all names and types), where given entity participates.
int	removeAllRelationsFromCurrentAndHistoricalEntities(RelatableEntity relatableEntity) This method removes all relations (across all names and types), where given entity participates.
int	removeAllRelationsFromEntityWithName(String relationName, RelatableEntity relatableEntity) This method remove all relations with the given name, where the given entity participates
void	removeRelationEntity(RelationEntity<S,T> relationEntity) Remove relation

Method Detail

getRelationsCount

int getRelationsCount(S source,
                      T target,
                      RelationDescriptor relationDescriptor)

Get total number of relations for given content, type and name.

Parameters:

source -

target -

relationDescriptor - specifies relation metadata, such as type and name

Returns:

total number of relations for given entities, relation type and name.

See Also:

RelationDescriptor

createRelationEntity

RelationEntity<S,T> createRelationEntity(S source,
                                         T target,
                                         RelationDescriptor relationDescriptor)

Create new relation. and saves it to the database

Parameters:

source -

target -

relationDescriptor - specifies relation metadata, such as type and name

See Also:

RelationEntity

removeRelationEntity

void removeRelationEntity(RelationEntity<S,T> relationEntity)

Remove relation

Parameters:

relationEntity -

See Also:

RelationEntity

getRelationEntity

@Nullable
RelationEntity<S,T> getRelationEntity(S source,
                                                T target,
                                                RelationDescriptor relationDescriptor)

Get relation for given content, type and name.

Parameters:

source -

target -

relationDescriptor - specifies relation metadata, such as type and name

Returns:

RelationEntity or null if no relations found

getSources

@Nonnull
List<S> getSources(RelationQuery<T> request,
                            int start,
                            int limit)

Fetch all related sources for the entity. Fetching parameters (relation name, filtering etc.) is provided by request argument

Parameters:

request -

start -

limit -

Returns:

list of RelatableEntity

See Also:

RelationQuery

getTargets

@Nonnull
List<T> getTargets(RelationQuery<S> request,
                            int start,
                            int limit)

Fetch all related targets for the entity. Fetching parameters (relation name, filtering etc.) is provided by request argument

Parameters:

request -

start -

limit -

Returns:

list of RelatableEntity

See Also:

RelationQuery

getSourcesCount

int getSourcesCount(RelationQuery<T> request)

Count of all related sources for the entity. Fetching parameters (relation name, filtering etc.) is provided by request argument

Parameters:

request -

Returns:

total number of all sources

getTargetsCount

int getTargetsCount(RelationQuery<S> request)

Count of all related targets for the entity. Fetching parameters (relation name, filtering etc.) is provided by request argument

Parameters:

request -

Returns:

total number of all targets

removeAllRelations

int removeAllRelations(RelatableEntity relatableEntity)

This method removes all relations (across all names and types), where given entity participates.

Parameters:

relatableEntity -

Returns:

number of relations which were removed.

removeAllRelationsFromEntityWithName

int removeAllRelationsFromEntityWithName(String relationName,
                                         RelatableEntity relatableEntity)

This method remove all relations with the given name, where the given entity participates

Parameters:

relationName -

relatableEntity -

Returns:

number of relations which were removed

removeAllRelationsFromCurrentAndHistoricalEntities

int removeAllRelationsFromCurrentAndHistoricalEntities(RelatableEntity relatableEntity)

This method removes all relations (across all names and types), where given entity participates. It also removes all relations from the historical versions of the given entity if the entity is the most current version of content

Parameters:

relatableEntity -

Returns:

number of relations which were removed.