com.liferay.portlet.social.service.impl

Class SocialRelationLocalServiceImpl

Object

com.liferay.portal.kernel.service.BaseLocalServiceImpl

com.liferay.portlet.social.service.base.SocialRelationLocalServiceBaseImpl

com.liferay.portlet.social.service.impl.SocialRelationLocalServiceImpl

All Implemented Interfaces:

com.liferay.portal.kernel.module.framework.service.IdentifiableOSGiService, com.liferay.portal.kernel.service.BaseLocalService, com.liferay.portal.kernel.service.change.tracking.CTService<com.liferay.social.kernel.model.SocialRelation>, com.liferay.portal.kernel.service.PersistedModelLocalService, com.liferay.social.kernel.service.SocialRelationLocalService

public class SocialRelationLocalServiceImpl
extends SocialRelationLocalServiceBaseImpl

The social relation local service. This service provides methods to handle unidirectional or bidirectional relations between users.

Relations between users can be unidirectional or bidirectional. The type of relation is determined by an integer constant. Some example relations are co-worker, friend, romantic partner, sibling, spouse, child, enemy, follower, parent, subordinate, supervisor.

The two users participating in the relation are designated as User1 and User2. In case of unidirectional relations User1 should always be the subject of the relation. You can use the following English sentence to find out which user to use as User1 and which to use as User2:

User1 is <relation> of User2 (e.g. User1 is parent of User2; User1 is supervisor of User2)

For bidirectional relations, the service automatically generates the inverse relation.

Author:

Brian Wing Shun Chan

Field Summary

Fields inherited from class com.liferay.portlet.social.service.base.SocialRelationLocalServiceBaseImpl

counterLocalService, persistedModelLocalServiceRegistry, socialRelationLocalService, socialRelationPersistence, userFinder, userLocalService, userPersistence

Constructor Summary

Constructors

Constructor and Description
SocialRelationLocalServiceImpl()

Method Summary

Modifier and Type	Method and Description
com.liferay.social.kernel.model.SocialRelation	addRelation(long userId1, long userId2, int type) Adds a social relation between the two users to the database.
void	deleteRelation(long relationId) Removes the relation (and its inverse in case of a bidirectional relation) from the database.
void	deleteRelation(long userId1, long userId2, int type) Removes the matching relation (and its inverse in case of a bidirectional relation) from the database.
void	deleteRelation(com.liferay.social.kernel.model.SocialRelation relation) Removes the relation (and its inverse in case of a bidirectional relation) from the database.
void	deleteRelations(long userId) Removes all relations involving the user from the database.
void	deleteRelations(long userId1, long userId2) Removes all relations between User1 and User2.
List<com.liferay.social.kernel.model.SocialRelation>	getInverseRelations(long userId, int type, int start, int end) Returns a range of all the inverse relations of the given type for which the user is User2 of the relation.
int	getInverseRelationsCount(long userId, int type) Returns the number of inverse relations of the given type for which the user is User2 of the relation.
com.liferay.social.kernel.model.SocialRelation	getRelation(long relationId) Returns the relation identified by its primary key.
com.liferay.social.kernel.model.SocialRelation	getRelation(long userId1, long userId2, int type) Returns the relation of the given type between User1 and User2.
List<com.liferay.social.kernel.model.SocialRelation>	getRelations(long userId, int type, int start, int end) Returns a range of all the relations of the given type where the user is the subject of the relation.
List<com.liferay.social.kernel.model.SocialRelation>	getRelations(long userId1, long userId2, int start, int end) Returns a range of all the relations between User1 and User2.
int	getRelationsCount(long userId, int type) Returns the number of relations of the given type where the user is the subject of the relation.
int	getRelationsCount(long userId1, long userId2) Returns the number of relations between User1 and User2.
boolean	hasRelation(long userId1, long userId2, int type) Returns true if a relation of the given type exists where the user with primary key userId1 is User1 of the relation and the user with the primary key userId2 is User2 of the relation.
boolean	isRelatable(long userId1, long userId2, int type) Returns true if the users can be in a relation of the given type where the user with primary key userId1 is User1 of the relation and the user with the primary key userId2 is User2 of the relation.

Methods inherited from class com.liferay.portlet.social.service.base.SocialRelationLocalServiceBaseImpl

addSocialRelation, afterPropertiesSet, createPersistedModel, createSocialRelation, deletePersistedModel, deleteSocialRelation, deleteSocialRelation, destroy, dslQuery, dynamicQuery, dynamicQuery, dynamicQuery, dynamicQuery, dynamicQueryCount, dynamicQueryCount, fetchSocialRelation, fetchSocialRelationByUuidAndCompanyId, getActionableDynamicQuery, getBasePersistence, getCounterLocalService, getCTPersistence, getIndexableActionableDynamicQuery, getModelClass, getModelClassName, getOSGiServiceIdentifier, getPersistedModel, getSocialRelation, getSocialRelationByUuidAndCompanyId, getSocialRelationLocalService, getSocialRelationPersistence, getSocialRelations, getSocialRelationsCount, getUserFinder, getUserLocalService, getUserPersistence, initActionableDynamicQuery, runSQL, setCounterLocalService, setSocialRelationLocalService, setSocialRelationPersistence, setUserFinder, setUserLocalService, setUserPersistence, updateSocialRelation, updateWithUnsafeFunction

Methods inherited from class com.liferay.portal.kernel.service.BaseLocalServiceImpl

getClassLoader, getLocalizationMap

Methods inherited from class Object

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

Constructor Detail

SocialRelationLocalServiceImpl

public SocialRelationLocalServiceImpl()

Method Detail

addRelation

public com.liferay.social.kernel.model.SocialRelation addRelation(long userId1,
                                                                  long userId2,
                                                                  int type)
                                                           throws com.liferay.portal.kernel.exception.PortalException

Adds a social relation between the two users to the database.

Parameters:

userId1 - the user that is the subject of the relation

userId2 - the user at the other end of the relation

type - the type of the relation

Returns:

the social relation

Throws:

com.liferay.portal.kernel.exception.PortalException

deleteRelation

public void deleteRelation(long relationId)
                    throws com.liferay.portal.kernel.exception.PortalException

Removes the relation (and its inverse in case of a bidirectional relation) from the database.

Parameters:

relationId - the primary key of the relation

Throws:

com.liferay.portal.kernel.exception.PortalException

deleteRelation

public void deleteRelation(long userId1,
                           long userId2,
                           int type)
                    throws com.liferay.portal.kernel.exception.PortalException

Removes the matching relation (and its inverse in case of a bidirectional relation) from the database.

Parameters:

userId1 - the user that is the subject of the relation

userId2 - the user at the other end of the relation

type - the relation's type

Throws:

com.liferay.portal.kernel.exception.PortalException

deleteRelation

public void deleteRelation(com.liferay.social.kernel.model.SocialRelation relation)
                    throws com.liferay.portal.kernel.exception.PortalException

Removes the relation (and its inverse in case of a bidirectional relation) from the database.

Parameters:

relation - the relation to be removed

Throws:

com.liferay.portal.kernel.exception.PortalException

deleteRelations

public void deleteRelations(long userId)

Removes all relations involving the user from the database.

Parameters:

userId - the primary key of the user

deleteRelations

public void deleteRelations(long userId1,
                            long userId2)
                     throws com.liferay.portal.kernel.exception.PortalException

Removes all relations between User1 and User2.

Parameters:

userId1 - the user that is the subject of the relation

userId2 - the user at the other end of the relation

Throws:

com.liferay.portal.kernel.exception.PortalException

getInverseRelations

public List<com.liferay.social.kernel.model.SocialRelation> getInverseRelations(long userId,
                                                                                int type,
                                                                                int start,
                                                                                int end)

Returns a range of all the inverse relations of the given type for which the user is User2 of the relation.

Useful when paginating results. Returns a maximum of end - start instances. start and end are not primary keys, they are indexes in the result set. Thus, 0 refers to the first result in the set. Setting both start and end to QueryUtil.ALL_POS will return the full result set.

Parameters:

userId - the primary key of the user

type - the relation's type

start - the lower bound of the range of results

end - the upper bound of the range of results (not inclusive)

Returns:

the range of matching relations

getInverseRelationsCount

public int getInverseRelationsCount(long userId,
                                    int type)

Returns the number of inverse relations of the given type for which the user is User2 of the relation.

Parameters:

userId - the primary key of the user

type - the relation's type

Returns:

the number of matching relations

getRelation

public com.liferay.social.kernel.model.SocialRelation getRelation(long relationId)
                                                           throws com.liferay.portal.kernel.exception.PortalException

Returns the relation identified by its primary key.

Parameters:

relationId - the primary key of the relation

Returns:

Returns the relation

Throws:

com.liferay.portal.kernel.exception.PortalException

getRelation

public com.liferay.social.kernel.model.SocialRelation getRelation(long userId1,
                                                                  long userId2,
                                                                  int type)
                                                           throws com.liferay.portal.kernel.exception.PortalException

Returns the relation of the given type between User1 and User2.

Parameters:

userId1 - the user that is the subject of the relation

userId2 - the user at the other end of the relation

type - the relation's type

Returns:

Returns the relation

Throws:

com.liferay.portal.kernel.exception.PortalException

getRelations

public List<com.liferay.social.kernel.model.SocialRelation> getRelations(long userId,
                                                                         int type,
                                                                         int start,
                                                                         int end)

Returns a range of all the relations of the given type where the user is the subject of the relation.

Useful when paginating results. Returns a maximum of end - start instances. start and end are not primary keys, they are indexes in the result set. Thus, 0 refers to the first result in the set. Setting both start and end to QueryUtil.ALL_POS will return the full result set.

Parameters:

userId - the primary key of the user

type - the relation's type

start - the lower bound of the range of results

end - the upper bound of the range of results (not inclusive)

Returns:

the range of relations

getRelations

public List<com.liferay.social.kernel.model.SocialRelation> getRelations(long userId1,
                                                                         long userId2,
                                                                         int start,
                                                                         int end)

Returns a range of all the relations between User1 and User2.

Useful when paginating results. Returns a maximum of end - start instances. start and end are not primary keys, they are indexes in the result set. Thus, 0 refers to the first result in the set. Setting both start and end to QueryUtil.ALL_POS will return the full result set.

Parameters:

userId1 - the user that is the subject of the relation

userId2 - the user at the other end of the relation

start - the lower bound of the range of results

end - the upper bound of the range of results (not inclusive)

Returns:

the range of relations

getRelationsCount

public int getRelationsCount(long userId,
                             int type)

Returns the number of relations of the given type where the user is the subject of the relation.

Parameters:

userId - the primary key of the user

type - the relation's type

Returns:

the number of relations

getRelationsCount

public int getRelationsCount(long userId1,
                             long userId2)

Returns the number of relations between User1 and User2.

Parameters:

userId1 - the user that is the subject of the relation

userId2 - the user at the other end of the relation

Returns:

the number of relations

hasRelation

public boolean hasRelation(long userId1,
                           long userId2,
                           int type)

Returns true if a relation of the given type exists where the user with primary key userId1 is User1 of the relation and the user with the primary key userId2 is User2 of the relation.

Parameters:

userId1 - the user that is the subject of the relation

userId2 - the user at the other end of the relation

type - the relation's type

Returns:

true if the relation exists; false otherwise

isRelatable

public boolean isRelatable(long userId1,
                           long userId2,
                           int type)

Returns true if the users can be in a relation of the given type where the user with primary key userId1 is User1 of the relation and the user with the primary key userId2 is User2 of the relation.

This method returns false if User1 and User2 are the same, if either user is the default user, or if a matching relation already exists.

Parameters:

userId1 - the user that is the subject of the relation

userId2 - the user at the other end of the relation

type - the relation's type

Returns:

true if the two users can be in a new relation of the given type; false otherwise