TreeNodeInfo class sealed
Provides information about how a tree node should be built.
Pattern-match against subclasses to obtain additional information about the node.
- Implementers
- Available extensions
Properties
- createState → StateCreator
-
A factory function that can create the TreeState that defines the
behavior of the node when it is an active state in a state machine.
final
- dataCodec → StateDataCodec?
-
The StateDataCodec that should be used to serialize and deserialize any
state data associated with this node.
final
-
filters
→ List<
TreeStateFilter> -
An unmodifiable list of TreeStateFilters that should intercept the
message and transition handlers of the tree state for this node.
final
- hashCode → int
-
The hash code for this object.
no setterinherited
- key → StateKey
-
Identifies the node to be built.
final
-
metadata
→ Map<
String, Object> -
An unmodifiable map of application-provided metadata associated with this
node.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
ancestors(
) → Iterable< TreeNodeInfo> -
Available on TreeNodeInfo, provided by the TreeNodeInfoNavigationExtension extension
Lazily-computes the ancestor nodes of this node. -
children(
) → Iterable< TreeNodeInfo> -
Available on TreeNodeInfo, provided by the TreeNodeInfoNavigationExtension extension
The child nodes of this node. -
descendants(
) → Iterable< TreeNodeInfo> -
Available on TreeNodeInfo, provided by the TreeNodeInfoNavigationExtension extension
Lazily-computes the descendant nodes of this node, in depth first order -
leaves(
) → Iterable< LeafNodeInfo> -
Available on TreeNodeInfo, provided by the TreeNodeInfoNavigationExtension extension
Lazily-computes the descendant leaf nodes of this node. -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
parent(
) → TreeNodeInfo? -
Available on TreeNodeInfo, provided by the TreeNodeInfoNavigationExtension extension
The parent node of this node, ornullif it is a root node. -
root(
) → RootNodeInfo -
Available on TreeNodeInfo, provided by the TreeNodeInfoNavigationExtension extension
Returns the root ancestor node of this node, or this node itself if it is a root node. -
selfAndAncestors(
) → Iterable< TreeNodeInfo> -
Available on TreeNodeInfo, provided by the TreeNodeInfoNavigationExtension extension
Lazily-computes the self-and-ancestor nodes of this node. -
selfAndDescendants(
) → Iterable< TreeNodeInfo> -
Available on TreeNodeInfo, provided by the TreeNodeInfoNavigationExtension extension
Lazily-computes the self-and-descendant nodes of this node, in depth-first order -
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited