org.assistments.service.util

Class ReservedNameListImpl

java.lang.Object

org.assistments.service.util.ReservedNameListImpl

All Implemented Interfaces:

ReservedNameList

@Component
public class ReservedNameListImpl
extends java.lang.Object
implements ReservedNameList

Field Summary

Fields inherited from interface org.assistments.service.util.ReservedNameList

RESERVE_SECONDS_DEFAULT

Constructor Summary

Constructors

Constructor and Description
ReservedNameListImpl()

Method Summary

Modifier and Type	Method and Description
void	clearReservation(java.util.UUID reservation) Releases a reservation for a name.
java.lang.String	getName(java.util.UUID reservation) Returns a reserved name.
java.util.UUID	reserve(java.lang.String name) Attempts to reserve the provided name.

Methods inherited from class java.lang.Object

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

Constructor Detail

ReservedNameListImpl

public ReservedNameListImpl()

Method Detail

reserve

public java.util.UUID reserve(java.lang.String name)
                       throws AlreadyExistsException

Description copied from interface: ReservedNameList

Attempts to reserve the provided name.

If the name is available, returns a token representing your reservation for the name. If you obtain a reservation for a name, you must present the reservation when creating an account; otherwise account creation fails since there is a reservation for that name.

Specified by:

reserve in interface ReservedNameList

Parameters:

name - Name to reserve

Returns:

A token representing the reservation of name, if name is available. The reservation automatically expires after ReservedNameList.RESERVE_SECONDS_DEFAULT seconds.

Throws:

AlreadyExistsException - If name has an active reservation.

clearReservation

public void clearReservation(java.util.UUID reservation)

Description copied from interface: ReservedNameList

Releases a reservation for a name.

Specified by:

clearReservation in interface ReservedNameList

Parameters:

reservation - The reservation to release.

getName

public java.lang.String getName(java.util.UUID reservation)

Description copied from interface: ReservedNameList

Returns a reserved name.

Specified by:

getName in interface ReservedNameList

Parameters:

reservation - The reservation for a name

Returns:

The reserved name or null if there is not such reservation (does not exist or has expired).