OSID - osid.process.ProcessNode Service Interface Definition

Interface	osid.process.ProcessNode
Implements	`osid.OsidNode`
Used By	`osid.process.ProcessHierarchySession`
Used By	`osid.process.ProcessNodeList`
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 `ProcessHierarchySession`.
Method	getProcess
Description	Gets the `Process` at this node.
Return	`osid.process.Process`	the process represented by this node
Compliance	`mandatory`	This method must be implemented.
Method	getParentProcessNodes
Description	Gets the parents of this process.
Return	`osid.process.ProcessNodeList`	the parents of this process
Compliance	`mandatory`	This method must be implemented.
Method	getChildProcessNodes
Description	Gets the children of this process.
Return	`osid.process.ProcessNodeList`	the children of this process
Compliance	`mandatory`	This method must be implemented.