com.vaadin.flow.internal.
Interface NodeOwner
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All Superinterfaces:
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.
Since:
1.0
Author:
Vaadin Ltd
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Method Summary
All Methods Modifier and Type Method and 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.
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Method Detail
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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 registerReturns:
the id of the registered node
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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
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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
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hasNode
boolean hasNode(StateNode node)
Check if given node is registered to this node owner.
Parameters:
node
- node to check registration status forReturns:
true if node is registered
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