Ancestry (Starjava TTOOLS API)

```
public interface Ancestry
```
Defines the family relationships of an ElementHandler.

Since:

7 Apr 2005

Author:

Mark Taylor (Starlink)

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`<H extends ElementHandler> H`	`getAncestor(java.lang.Class<H> clazz)`	Returns the handler's nearest ancestor (excluding itself) of a given class.
`int`	`getChildCount()`	Returns the number of child elements this handler currently has.
`ElementHandler`	`getParent()`	Returns the handler's parent.
`ElementHandler`	`getSelf()`	Returns the handler itself.
`int`	`getSiblingIndex()`	Returns the index of this child in the list of its parent's children.

- Method Detail
  - getSelf
```
ElementHandler getSelf()
```
    Returns the handler itself.
    
    Returns:
    
    self
  - getParent
```
ElementHandler getParent()
```
    Returns the handler's parent.
    
    Returns:
    
    parent
  - getAncestor
```
<H extends ElementHandler> H getAncestor(java.lang.Class<H> clazz)
```
    Returns the handler's nearest ancestor (excluding itself) of a given class. clazz must be ElementHandler or a subclass. If there is no handler in the ancestry of type clazz, null is returned.
    
    Parameters:
    
    clazz - class required
    
    Returns:
    
    handler's ancestor of type clazz
  - getSiblingIndex
```
int getSiblingIndex()
```
    Returns the index of this child in the list of its parent's children. The first child of a parent has index 0.
    
    Returns:
    
    sibling index
  - getChildCount
```
int getChildCount()
```
    Returns the number of child elements this handler currently has.
    
    Returns:
    
    child count