Interface GraphNode

All Superinterfaces:

Containable, Identifiable, OsidNode

public interface GraphNode
extends OsidNode

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 GraphHierarchySession .

Method Summary

Modifier and Type	Method	Description
GraphNodeList	getChildGraphNodes()	Gets the children of this graph.
Graph	getGraph()	Gets the Graph at this node.
GraphNodeList	getParentGraphNodes()	Gets the parents of this graph.

Methods inherited from interface Containable

isSequestered

Modifier and Type	Method	Description
boolean	isSequestered()	Tests if this Containable is sequestered in that it should not appear outside of its aggregated composition.

Methods inherited from interface Identifiable

getId, isCurrent

Modifier and Type	Method	Description
Id	getId()	Gets the Id associated with this instance of this OSID object.
boolean	isCurrent()	Tests to see if the last method invoked retrieved up-to-date data.

Methods inherited from interface OsidNode

getChildIds, getParentIds, hasChildren, hasParents, isLeaf, isRoot

Modifier and Type	Method	Description
IdList	getChildIds()	Gets the children of this node.
IdList	getParentIds()	Gets the parents of this node.
boolean	hasChildren()	Tests if any children are available in this node structure.
boolean	hasParents()	Tests if any parents are available in this node structure.
boolean	isLeaf()	Tests if this node is a leaf in the hierarchy (has no children).
boolean	isRoot()	Tests if this node is a root in the hierarchy (has no parents).

Method Details

getGraph

Graph getGraph()

Gets the Graph at this node.

Returns:

the graph represented by this node

Compliance:

mandatory - This method must be implemented.

getParentGraphNodes

GraphNodeList getParentGraphNodes()

Gets the parents of this graph.

Returns:

the parents of this graph

Compliance:

mandatory - This method must be implemented.

getChildGraphNodes

GraphNodeList getChildGraphNodes()

Gets the children of this graph.

Returns:

the children of this graph

Compliance:

mandatory - This method must be implemented.