OSID - osid.tracking.FrontOfficeNode Service Interface Definition

Interface	osid.tracking.FrontOfficeNode
Implements	`osid.OsidNode`
Used By	`osid.tracking.FrontOfficeHierarchySession`
Used By	`osid.tracking.FrontOfficeNodeList`
Description	This interface is a container for a partial hierarchy retrieval. The number of hierarchy levels traversable through this interface depend on the number of levels requested in the `FrontOfficeHierarchySession`.
Method	getFrontOffice
Description	Gets the `FrontOffice` at this node.
Return	`osid.tracking.FrontOffice`	the front office represented by this node
Compliance	`mandatory`	This method must be implemented.
Method	getParentFrontOfficeNodes
Description	Gets the parents of this front office.
Return	`osid.tracking.FrontOfficeNodeList`	the parents of this front office
Compliance	`mandatory`	This method must be implemented.
Method	getChildFrontOfficeNodes
Description	Gets the children of this front office.
Return	`osid.tracking.FrontOfficeNodeList`	the children of this front office
Compliance	`mandatory`	This method must be implemented.