Class EquipmentService

java.lang.Object

de.gustavblass.fsu.fmi.roombooking.service.EquipmentService

@Service
public class EquipmentService
extends Object

Provides functionality to manage RoomEquipment, namely to create, modify and delete them.

Field Summary

Fields

Modifier and Type	Field	Description
private final EquipmentRepository	equipmentRepository	Provides database access to actually create, modify and delete RoomEquipment.
private final EquipmentTypeRepository	equipmentTypeRepository	Provides database access to actually create, modify and delete EquipmentTypes.

Constructor Summary

Constructors

Constructor	Description
EquipmentService(@NonNull EquipmentRepository equipmentRepository, @NonNull EquipmentTypeRepository equipmentTypeRepository)	Constructs a new EquipmentService.

Method Summary

Modifier and Type	Method	Description
void	createType(@NonNull EquipmentType equipmentType)	Adds the given EquipmentType to the database if no type with the same EquipmentType.name exists already.
void	deleteByName(@NonNull String name)	Removes the EquipmentType with the given EquipmentType.name from the database if existent.
@NonNull LinkedHashSet<RoomEquipment>	findAll()	A subset of all RoomEquipment in the database table.
@NonNull LinkedHashSet<EquipmentType>	findAllTypes()	Fetches all EquipmentTypes from the database.
@NonNull LinkedHashSet<CommonEquipmentType>	findCommonEquipmentTypes()
@NonNull LinkedHashSet<IndividualEquipmentType>	findIndividualEquipmentTypes()
@NonNull Optional<EquipmentType>	findTypeByName(@NonNull String name)	Fetches the EquipmentType with the given EquipmentType.name from the database table.
void	initialise()	Adds the DefaultIndividualEquipmentType and DefaultCommonEquipmentType to the database if there is no RoomEquipment yet.

Methods inherited from class Object

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

Field Details

equipmentRepository

private final EquipmentRepository equipmentRepository

Provides database access to actually create, modify and delete RoomEquipment.

equipmentTypeRepository

private final EquipmentTypeRepository equipmentTypeRepository

Provides database access to actually create, modify and delete EquipmentTypes.

Constructor Details

EquipmentService

public EquipmentService(@NonNull
 @NonNull EquipmentRepository equipmentRepository,
 @NonNull
 @NonNull EquipmentTypeRepository equipmentTypeRepository)

Constructs a new EquipmentService.

Parameters:

equipmentRepository - The equipmentRepository to be used for database access.

equipmentTypeRepository - The equipmentTypeRepository to be used for database access.

Method Details

initialise

@PostConstruct
public void initialise()

Adds the DefaultIndividualEquipmentType and DefaultCommonEquipmentType to the database if there is no RoomEquipment yet.

findAll

@NonNull
public @NonNull LinkedHashSet<RoomEquipment> findAll()

A subset of all RoomEquipment in the database table.

Returns:

All RoomEquipment entries.

findTypeByName

@NonNull
public @NonNull Optional<EquipmentType> findTypeByName(@NonNull
 @NonNull String name)

Fetches the EquipmentType with the given EquipmentType.name from the database table.

Parameters:

name - The title of the EquipmentType to be returned.

Returns:

The EquipmentType with the given name.

findAllTypes

@NonNull
public @NonNull LinkedHashSet<EquipmentType> findAllTypes()

Fetches all EquipmentTypes from the database.

Returns:

All EquipmentTypes already existing.

findIndividualEquipmentTypes

@NonNull
public @NonNull LinkedHashSet<IndividualEquipmentType> findIndividualEquipmentTypes()

Returns:

All IndividualEquipmentTypes currently present in the database.

findCommonEquipmentTypes

@NonNull
public @NonNull LinkedHashSet<CommonEquipmentType> findCommonEquipmentTypes()

Returns:

All CommonEquipmentType currently present in the database.

createType

@PreAuthorize("hasRole('FACULTY_ADMINISTRATION')")
public void createType(@NonNull
 @NonNull EquipmentType equipmentType)
                throws AlreadyExistsException

Adds the given EquipmentType to the database if no type with the same EquipmentType.name exists already.

Parameters:

equipmentType - The new EquipmentType to add.

Throws:

AlreadyExistsException - If the EquipmentType's name is already taken.

deleteByName

@PreAuthorize("hasRole('FACULTY_ADMINISTRATION')")
public void deleteByName(@NonNull
 @NonNull String name)
                  throws NotFoundException

Removes the EquipmentType with the given EquipmentType.name from the database if existent. Also removes all RoomEquipment that has the RoomEquipment.type that shall be deleted.

Parameters:

name - The title of the EquipmentType to delete.

Throws:

NotFoundException - If no EquipmentType with the given name exists.