MenuNode (web 8.1.7 API)

All Known Implementing Classes:

Menu, MenuItem
```
public interface MenuNode
```
Interface for the menu nodes in the menu tree. The menu nodes are either a menu or a menu item.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`contains(Predicate<MenuNode> predicate)`	Checks if this Menu node contains a menu node matching the given predicate
`Optional<MenuNode>`	`filter(Predicate<MenuNode> predicate)`	Filters all Menu nodes by applying the predicate to their items.
`Optional<MenuItem>`	`firstItem()`	Finds the first menu item in this menu node.
`@NotEmpty String`	`getId()`
`@NotEmpty String`	`getLabel()`
`Optional<List<String>>`	`getPath(String id)`	Returns the path from this menu node to the menu with given ID.
`boolean`	`isMenu()`

- Method Detail
  - getId
```
@NotEmpty
@NotEmpty String getId()
```
    Returns:
    
    the ID of this menu node
  - getLabel
```
@NotEmpty
@NotEmpty String getLabel()
```
    Returns:
    
    the label of this menu node to use when displaying the menu
  - isMenu
```
boolean isMenu()
```
    Returns:
    
    true if this is a menu, false if it is a menu item
  - filter
```
Optional<MenuNode> filter(Predicate<MenuNode> predicate)
```
    Filters all Menu nodes by applying the predicate to their items.
    
    Parameters:
    
    predicate - Predicate to apply to the items
    
    Returns:
    
    the filtered menu node
  - getPath
```
Optional<List<String>> getPath(String id)
```
    Returns the path from this menu node to the menu with given ID.
    
    Parameters:
    
    id - the ID of the menu to look for
    
    Returns:
    
    Optional List of Strings of the IDs of the menus leading up to the specified id, or Optional.empty() if this menu does not contain a node with the specified ID
  - contains
```
boolean contains(Predicate<MenuNode> predicate)
```
    Checks if this Menu node contains a menu node matching the given predicate
    
    Parameters:
    
    predicate - the predicate to match
    
    Returns:
    
    boolean true if it contains a matching node, else false
  - firstItem
```
Optional<MenuItem> firstItem()
```
    Finds the first menu item in this menu node. If it is a menu, this is the first item of its first child.