com.vaadin.flow.internal.NodeOwner API 24.7.0.alpha6 | Vaadin

com.vaadin.flow.internal.

All Superinterfaces:

All Known Implementing Classes:

NullOwner, StateTree

public interface NodeOwner extends Serializable

Abstract root of a state node tree. A node always belongs to one specific owner. The owner keeps track of metadata for its nodes.

For internal use only. May be renamed or removed in a future release.

Since:

1.0

Author:

Vaadin Ltd

Method Summary

Modifier and Type

Method

Description

boolean

hasNode(StateNode node)

Check if given node is registered to this node owner.

void

markAsDirty(StateNode node)

Marks a node owned by this instance as dirty.

int

register(StateNode node)

Registers a node with this node owner.

void

unregister(StateNode node)

Unregisters a node from this owner.

Method Details
- register
  
  int register(StateNode node)
  
  Registers a node with this node owner. The new node should already be set to be owned by this instance.
  
  Parameters:
  
  node - the node to register
  
  Returns:
  
  the id of the registered node
- unregister
  
  void unregister(StateNode node)
  
  Unregisters a node from this owner. This must be done before the node is set to not be owned by this instance.
  
  Parameters:
  
  node - the node to unregister
- markAsDirty
  
  void markAsDirty(StateNode node)
  
  Marks a node owned by this instance as dirty. Dirty nodes are collected from an owner using StateTree.collectDirtyNodes().
  
  Parameters:
  
  node - the node to be marked as dirty
- hasNode
  
  boolean hasNode(StateNode node)
  
  Check if given node is registered to this node owner.
  
  Parameters:
  
  node - node to check registration status for
  
  Returns:
  
  true if node is registered