dmv.spring.demo.model.repository.jdbc

Class RoleRepositoryJDBC

java.lang.Object

dmv.spring.demo.model.repository.jdbc.RoleRepositoryJDBC

All Implemented Interfaces:

RoleRepository

@Repository
 @Transactional(readOnly=true)
public class RoleRepositoryJDBC
extends Object
implements RoleRepository

Querying table ROLE via JDBC according to RoleRepository specification.

Single statement SQL queries are used

Offers simple caching solution as for now we have only three predefined roles and no mutators. So, avoiding unnecessary DB querying.

Author:

dmv

Field Summary

Fields inherited from interface dmv.spring.demo.model.repository.RoleRepository

FULL_NAME_MAX_LENGTH, SHORT_NAME_LENGTH

Constructor Summary

Constructors

Constructor and Description
RoleRepositoryJDBC(DataSource dataSource)

Method Summary

Modifier and Type	Method and Description
Role	findByShortName(String shortName) Find and return Role object with given short name (case insensitive).
Set<User>	getUsers(Role role) Return all users that share given Role, or an empty Set if no such users.

Methods inherited from class java.lang.Object

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

Methods inherited from interface dmv.spring.demo.model.repository.RoleRepository

isValidShortName

Constructor Detail

RoleRepositoryJDBC

@Autowired
public RoleRepositoryJDBC(DataSource dataSource)

Method Detail

findByShortName

public Role findByShortName(String shortName)

Description copied from interface: RoleRepository

Find and return Role object with given short name (case insensitive).

Specified by:

findByShortName in interface RoleRepository

Parameters:

shortName - Special acronym

Returns:

found Role object

getUsers

public Set<User> getUsers(Role role)

Description copied from interface: RoleRepository

Return all users that share given Role, or an empty Set if no such users.

Specified by:

getUsers in interface RoleRepository

Parameters:

role - Users with what role need to be found

Returns:

all users with specified Role or empty Set