Package com.alpaca.service.impl

Class RoleServiceImpl

java.lang.Object

com.alpaca.service.impl.GenericServiceImpl<Role,UUID>

com.alpaca.service.impl.RoleServiceImpl

All Implemented Interfaces:

IGenericService<Role,UUID>, IRoleService

@Service
public class RoleServiceImpl
extends GenericServiceImpl<Role,UUID>
implements IRoleService

Service layer implementation for managing Role entities and encapsulating business logic specific to roles while inheriting basic CRUD operations from IGenericService.

Includes specialized methods for fetching user-default roles and retrieving roles by name, with validation and error handling for invalid inputs or missing entities.

See Also:

• IGenericService
• IRoleService

Field Summary

Fields

Modifier and Type	Field	Description
private final IRoleDAO	dao

Constructor Summary

Constructors

Constructor	Description
RoleServiceImpl()

Method Summary

Modifier and Type	Method	Description
Role	findByRoleName(String roleName)	Finds a Role by its name.
protected IGenericDAO<Role,UUID>	getDAO()	Provides the generic DAO used by inherited service methods.
protected String	getEntityName()	Supplies a user-friendly name representing the entity, used in exception messages and logs.
Set<Role>	getUserRoles()	Retrieves the default set of roles assigned to users.

Methods inherited from class com.alpaca.service.impl.GenericServiceImpl

deleteById, existsAllByIds, existsById, existsByUniqueProperties, findAll, findAllByIds, findAllByIdsToSet, findAllPage, findById, save, saveAll, updateById

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.alpaca.service.IGenericService

deleteById, existsAllByIds, existsById, existsByUniqueProperties, findAll, findAllByIds, findAllByIdsToSet, findAllPage, findById, save, saveAll, updateById

Field Details

dao

private final IRoleDAO dao

Constructor Details

RoleServiceImpl

public RoleServiceImpl()

Method Details

getDAO

protected IGenericDAO<Role,UUID> getDAO()

Provides the generic DAO used by inherited service methods.

Specified by:

getDAO in class GenericServiceImpl<Role,UUID>

Returns:

the IGenericDAO implementation for Role

getEntityName

protected String getEntityName()

Supplies a user-friendly name representing the entity, used in exception messages and logs.

Specified by:

getEntityName in class GenericServiceImpl<Role,UUID>

Returns:

the string literal "Role"

getUserRoles

public Set<Role> getUserRoles()

Retrieves the default set of roles assigned to users. Currently configured to always return a set containing the "USER" role.

Specified by:

getUserRoles in interface IRoleService

Returns:

a Set containing the "USER" Role

Throws:

BadRequestException - if the default role cannot be found

findByRoleName

@Transactional
public Role findByRoleName(String roleName)

Finds a Role by its name.

Specified by:

findByRoleName in interface IRoleService

Parameters:

roleName - the name of the role to find; must not be null or blank

Returns:

the found Role instance

Throws:

BadRequestException - if the provided role name is null or blank

NotFoundException - if no role is found with the given name