OSID - osid.relationship.batch.RelationshipBatchForm Service Interface Definition

Interface	osid.relationship.batch.RelationshipBatchForm
Implements	`osid.relationship.RelationshipForm`
Description	This is the form for creating and updating relationships in bulk. Like all `OsidForm` objects, various data elements may be set here for use in the create and update methods in the `RelationshipBatchAdminSession.` For each data element that may be set, metadata may be examined to provide display hints or data constraints.
Method	getSourceNodeId
Description	Gets the `Id` of the source node if this is a create transaction.
Return	`osid.id.Id`	the node `Id`
Errors	ILLEGAL_STATE	`isForUpdate()` is `true`
Compliance	`mandatory`	This method must be implemented.
Method	getDestinationNodeId
Description	Gets the `Id` of the destination node if this is a create transaction.
Return	`osid.id.Id`	the node `Id`
Errors	ILLEGAL_STATE	`isForUpdate()` is `true`
Compliance	`mandatory`	This method must be implemented.
Method	getRelationshipId
Description	Gets the `Id` of the relationship to be updated if this is an update transaction.
Return	`osid.id.Id`	the relationship `Id`
Errors	ILLEGAL_STATE	`isForUpdate()` is `false`
Compliance	`mandatory`	This method must be implemented.