uk.ac.ncl.botnetwork.repositories

Class ConnectionRepository

java.lang.Object

uk.ac.ncl.botnetwork.AbstractHibernateRepository<Connection,java.lang.Long>

uk.ac.ncl.botnetwork.repositories.ConnectionRepository

All Implemented Interfaces:

org.springframework.data.repository.CrudRepository<Connection,java.lang.Long>, org.springframework.data.repository.PagingAndSortingRepository<Connection,java.lang.Long>, org.springframework.data.repository.Repository<Connection,java.lang.Long>

@Repository
public class ConnectionRepository
extends AbstractHibernateRepository<Connection,java.lang.Long>

Repository for performing actions on the connections stored in the database. These connections are stored in an origin to destination basis.

Author:

Jonathan Carlton

See Also:

Connection

Constructor Summary

Constructors

Constructor and Description
ConnectionRepository()

Method Summary

Modifier and Type	Method and Description
java.util.List<Connection>	findAllConnectionsFor(User user) Given a user, query the database to find all Connection's for a given User.
java.util.List<User>	findAllFollowers(User user) Given a user, query the database to find all users that follower the user.
java.util.List<java.lang.Long>	findAllFollowersIDs(User user) Given a user, query the database to find all users that follower the user and return their IDs.
java.util.List<User>	findAllFollowing(User user) Given a user, query the database to find users that the user follows.
java.util.List<java.lang.Long>	findAllFollowingIDs(User user) Given a User, query the database to find all users that the user followers and return their twitter ids.
java.util.List<Connection>	getByConfig(Config c) Given a Config, find all Connection's that are part of a given Config.
Connection	updateConnection(Connection update) Update a single connection in the database.
java.util.List<Connection>	updateConnections(java.util.List<Connection> updated) Updates connections that are stored in the database.

Methods inherited from class uk.ac.ncl.botnetwork.AbstractHibernateRepository

count, delete, delete, delete, deleteAll, evict, exists, findAll, findAll, findAll, findAll, findOne, flush, getEntityClass, getSession, getUniqueObjects, save, save

Methods inherited from class java.lang.Object

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

Constructor Detail

ConnectionRepository

public ConnectionRepository()

Method Detail

findAllConnectionsFor

public java.util.List<Connection> findAllConnectionsFor(User user)

Given a user, query the database to find all Connection's for a given User.

     
         select distinct c from Connection c where c.origin = :user or c.destination = :user
     
 

Parameters:

user - the given user to find all connections for.

Returns:

a list of connections corresponding to the user parameter

See Also:

List, Connection, User

findAllFollowers

public java.util.List<User> findAllFollowers(User user)

Given a user, query the database to find all users that follower the user.

     
         select c.origin from Connection c where c.destination = :user
     
 

Parameters:

user - the given user

Returns:

a list of all the users followers

See Also:

List, User

findAllFollowing

public java.util.List<User> findAllFollowing(User user)

Given a user, query the database to find users that the user follows.

     
         select c.destination from Connection c where c.origin = :user
     
 

Parameters:

user - the given user

Returns:

a list of users that the user follows

See Also:

List, User

findAllFollowersIDs

public java.util.List<java.lang.Long> findAllFollowersIDs(User user)

Given a user, query the database to find all users that follower the user and return their IDs.

     
         select c.origin.twitterId from Connection c where c.destination = :user
     
 

Parameters:

user - the given user

Returns:

a list of twitter ids (Long)

See Also:

List, User

getByConfig

public java.util.List<Connection> getByConfig(Config c)

Given a Config, find all Connection's that are part of a given Config.

     
         select * from Connection where config = :c
     
 

Parameters:

c - the given configuration

Returns:

a list of connections corresponding to the configuration

See Also:

List, Connection, Config

findAllFollowingIDs

public java.util.List<java.lang.Long> findAllFollowingIDs(User user)

Given a User, query the database to find all users that the user followers and return their twitter ids.

     
         selection c.destination.twitterId from Connection c where c.origin = :user
     
 

Parameters:

user - the given user

Returns:

a list of Long's for twitter ids.

See Also:

List, Long, User

updateConnections

public java.util.List<Connection> updateConnections(java.util.List<Connection> updated)

Updates connections that are stored in the database.

Parameters:

updated - the updated connections

Returns:

a list of the connections

See Also:

Connection

updateConnection

public Connection updateConnection(Connection update)

Update a single connection in the database.

Parameters:

update - the new connection

Returns:

the saved connection.

See Also:

Connection