TreeNode class

Constructors

TreeNode({List<TreeNode> children = const [], SessionView? session})

Returns a new TreeNode instance.

Properties

children ↔ List<TreeNode>

Children is this node's direct children, each a whole node, so the array nests to the depth of the flow. A leaf carries null rather than an empty array. The subtree is materialised in full, up to 10000 nodes, out of one indexed read of the root; nothing is walked node by node.

getter/setter pair

hashCode → int

The hash code for this object.

no setter, override

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

session ↔ SessionView?

Session is this node's own session, carrying its event count and its direct fan-out. It is the same shape the list and detail reads answer with, minus the last-event preview, which the tree does not fetch.

getter/setter pair

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toJson() → Map<String, dynamic>

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

override

Static Methods

fromJson(dynamic value) → TreeNode?

Returns a new TreeNode instance and imports its values from value if it's a Map, null otherwise.

listFromJson(dynamic json, {bool growable = false}) → List<TreeNode>

mapFromJson(dynamic json) → Map<String, TreeNode>

mapListFromJson(dynamic json, {bool growable = false}) → Map<String, List<TreeNode>>

Constants

requiredKeys → const Set<String>

The list of required keys that must be present in a JSON.