OSID - osid.bidding.AuctionAuctionHouseAssignmentSession Service Interface Definition

Interface	osid.bidding.AuctionAuctionHouseAssignmentSession
Implements	`osid.OsidSession`
Description	This session provides methods to re-assign `Auctions` to `AuctionHouse` mappings. An `Auction` may appear in multiple `AuctionHouse` objects and removing the last reference to an `Auction` is the equivalent of deleting it. Each `AuctionHouse` may have its own authorizations governing who is allowed to operate on it. Adding a reference of an `Auction` to another `AuctionHouse` is not a copy operation (eg: does not change its `Id` ).
Method	canAssignAuctions
Description	Tests if this user can alter auction/auction house mappings. A return of true does not guarantee successful authorization. A return of false indicates that it is known mapping methods in this session will result in a `PERMISSION_DENIED.` This is intended as a hint to an application that may opt not to offer assignment operations to unauthorized users.
Return	`boolean`		`false` if mapping is not authorized, `true` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	canAssignAuctionsToAuctionHouse
Description	Tests if this user can alter auction/auction house mappings. A return of true does not guarantee successful authorization. A return of false indicates that it is known mapping methods in this session will result in a `PERMISSION_DENIED.` This is intended as a hint to an application that may opt not to offer assignment operations to unauthorized users.
Parameters	`osid.id.Id`	`auctionHouseId`	the `Id` of the `AuctionHouse`
Return	`boolean`		`false` if mapping is not authorized, `true` otherwise
Errors	NULL_ARGUMENT		`auctionHouseId` is `null`
Compliance	`mandatory`		This method must be implemented.
Method	getAssignableAuctionHouseIds
Description	Gets a list of auction houses including and under the given auction house node in which any auction can be assigned.
Parameters	`osid.id.Id`	`auctionHouseId`	the `Id` of the `AuctionHouse`
Return	`osid.id.IdList`		list of assignable auction house `Ids`
Errors	NULL_ARGUMENT		`auctionHouseId` is `null`
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.
Method	getAssignableAuctionHouseIdsForAuction
Description	Gets a list of auction houses including and under the given auction house node in which a specific auction can be assigned.
Parameters	`osid.id.Id`	`auctionHouseId`	the `Id` of the `AuctionHouse`
Parameters	`osid.id.Id`	`auctionId`	the `Id` of the `Auction`
Return	`osid.id.IdList`		list of assignable auction house `Ids`
Errors	NULL_ARGUMENT		`auctionHouseId` or `auctionId` is `null`
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.
Method	assignAuctionToAuctionHouse
Description	Adds an existing `Auction` to an `AuctionHouse.`
Parameters	`osid.id.Id`	`auctionId`	the `Id` of the `Auction`
Parameters	`osid.id.Id`	`auctionHouseId`	the `Id` of the `AuctionHouse`
Errors	ALREADY_EXISTS		`auctionId` is already assigned to `auctionHouseId`
	NOT_FOUND		`auctionId` or `auctionHouseId` not found
	NULL_ARGUMENT		`auctionId` or `auctionHouseId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	unassignAuctionFromAuctionHouse
Description	Removes an `Auction` from an `AuctionHouse.`
Parameters	`osid.id.Id`	`auctionId`	the `Id` of the `Auction`
Parameters	`osid.id.Id`	`auctionHouseId`	the `Id` of the `AuctionHouse`
Errors	NOT_FOUND		`auctionId` or `auctionHouseId` not found or `auctionId` not assigned to `auctionHouseId`
	NULL_ARGUMENT		`auctionId` or `auctionHouseId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.
Method	reassignAuctionToAuctionHouse
Description	Moves an `Auction` from one `AuctionHouse` to another. Mappings to other `AuctionHouses` are unaffected.
Parameters	`osid.id.Id`	`auctionId`	the `Id` of the `Auction`
	`osid.id.Id`	`fromAuctionHouseId`	the `Id` of the current `AuctionHouse`
	`osid.id.Id`	`toAuctionHouseId`	the `Id` of the destination `AuctionHouse`
Errors	NOT_FOUND		`auctionId, fromAuctionHouseId,` or `toAuctionHouseId` not found or `auctionId` not mapped to `fromAuctionHouseId`
	NULL_ARGUMENT		`auctionId, fromAuctionHouseId,` or `toAuctionHouseId` is `null`
	OPERATION_FAILED		unable to complete request
	PERMISSION_DENIED		authorization failure
Compliance	`mandatory`		This method must be implemented.