OSID - osid.filing.DirectoryEntryForm Service Interface Definition

Interface	osid.filing.DirectoryEntryForm
Implements	`osid.OsidObjectForm`
Implemented By	`osid.filing.FileForm`
Implemented By	`osid.filing.DirectoryForm`
Description	`DirectoryEntryForm` defines methods in common to both `FileForm` and `DirectoryForm`.
Method	getOwnerMetadata
Description	Gets the metadata for the owner.
Return	`osid.Metadata`		metadata for the owner
Compliance	`mandatory`		This method must be implemented.
Method	setOwner
Description	Sets the owner.
Parameters	`osid.id.Id`	`agentId`	the new owner
Errors	INVALID_ARGUMENT		`agentId` is invalid
	NO_ACCESS		`Metadata.isReadOnly()` is `true`
	NULL_ARGUMENT		`agentId` is `null`
Compliance	`mandatory`		This method must be implemented.
Method	clearOwner
Description	Clears the owner.
Errors	NO_ACCESS		`Metadata.isRequired()` or `Metadata.isReadOnly()` is `true`
Compliance	`mandatory`		This method must be implemented.