OSID - osid.lexicon.PressNode Service Interface Definition

Interface	osid.lexicon.PressNode
Implements	`osid.OsidNode`
Used By	`osid.lexicon.PressHierarchySession`
Used By	`osid.lexicon.PressNodeList`
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 `PressHierarchySession`.
Method	getPress
Description	Gets the `Press` at this node.
Return	`osid.lexicon.Press`	the press represented by this node
Compliance	`mandatory`	This method must be implemented.
Method	getParentPressNodes
Description	Gets the parents of this press.
Return	`osid.lexicon.PressNodeList`	the parents of this press
Compliance	`mandatory`	This method must be implemented.
Method	getChildPressNodes
Description	Gets the children of this press.
Return	`osid.lexicon.PressNodeList`	the children of this press
Compliance	`mandatory`	This method must be implemented.