IHierarchyNode (org.eclipse.xtext.ide 2.30.0 API)

All Superinterfaces:

INavigatable

All Known Implementing Classes:

DefaultHierarchyNode
```
public interface IHierarchyNode
extends INavigatable
```
Represents a hierarchy node.

Since:

2.10

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`org.eclipse.xtext.resource.IEObjectDescription`	`getElement()`
`IHierarchyNode`	`getParent()`
`java.util.Collection<IHierarchyNodeReference>`	`getReferences()`
`boolean`	`isRecursive()`
`boolean`	`mayHaveChildren()`

Methods inherited from interface org.eclipse.xtext.ide.editor.navigation.INavigatable
getNavigationElement

- Method Detail
  - getElement
```
org.eclipse.xtext.resource.IEObjectDescription getElement()
```
    Returns:
    
    an associated element that is used to build child nodes
  - getParent
```
IHierarchyNode getParent()
```
    Returns:
    
    a parent; null if the node is a root
  - getReferences
```
java.util.Collection<IHierarchyNodeReference> getReferences()
```
    Returns:
    
    references used to reach the node from a parent; empty if the node is a root
  - isRecursive
```
boolean isRecursive()
```
    Returns:
    
    whether there is a parent (can be transitive) containing the same element as the node
  - mayHaveChildren
```
boolean mayHaveChildren()
```
    Returns:
    
    whether the node may have children; e.g. a recursive node cannot have children