Overlays

Represents a collection of overlay edges connected to a specific node. This class is used to manage and define relationships between nodes through overlay edges, providing both outgoing and incoming edge handling capabilities.

Parameters

thisRef

The reference node that the overlays are associated with.

mirrorProperty

A reference to a property that mirrors the collection of overlay edges.

outgoing

A boolean indicating whether the edges managed by this collection are outgoing.

Constructors

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constructor(thisRef: Node, mirrorProperty: KProperty<MutableCollection<OverlayEdge>>, outgoing: Boolean)

Initializes the Overlays object with a reference node, a property for edge mirroring, and a direction to specify outgoing or incoming edges.

Properties

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This computed property returns the common type in a Collection of Type objects. For example, if two types A and B both derive from the interface C`` then C` would be returned.

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open override var init: (start: Node, end: Node) -> OverlayEdge
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open override var onAdd: (OverlayEdge) -> Unit?
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open override var onRemove: (OverlayEdge) -> Unit?
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open override var outgoing: Boolean
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open override val size: Int
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open override var thisRef: Node

Functions

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open fun add(target: Node, init: (Node, Node) -> OverlayEdge = this.init, builder: OverlayEdge.() -> Unit? = null): Boolean

Creates a new edge with the target node and an optional builder to include edge properties. If outgoing is true, the edge is created from thisRef ->target, otherwise from target to thisRef.

open override fun add(element: OverlayEdge): Boolean
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open fun addAll(targets: Collection<Node>, builder: OverlayEdge.() -> Unit? = null): Boolean
open override fun addAll(elements: Collection<OverlayEdge>): Boolean
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fun <T : Node> Collection<T>?.byNameOrNull(lookup: String, modifier: SearchModifier): T?

This function returns the first node that matches the name on the supplied list of nodes.

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open override fun clear()
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open override fun clone(): Any
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open fun contains(target: Node): Boolean
open operator override fun contains(element: OverlayEdge): Boolean
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open override fun containsAll(elements: Collection<OverlayEdge>): Boolean
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open fun <NodeType : Node, PropertyEdgeType : Edge<NodeType>> createEdge(target: NodeType, init: (Node, NodeType) -> PropertyEdgeType, outgoing: Boolean = true, builder: PropertyEdgeType.() -> Unit? = null): PropertyEdgeType
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open operator override fun equals(other: Any?): Boolean
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operator fun <T : Node> Collection<T>?.get(predicate: (T) -> Boolean, modifier: SearchModifier = SearchModifier.NONE): T?

A shortcut to call firstOrNull using the [] syntax.

operator fun <T : Node> Collection<T>?.get(lookup: String, modifier: SearchModifier = SearchModifier.NONE): T?

A shortcut to call byNameOrNull using the [] syntax.

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open fun handleOnAdd(edge: OverlayEdge)

This function will be executed after the edge was added to the container. This can be used to propagate the edge to other properties or register additional handlers, e.g. a TypeObserver.

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open fun handleOnRemove(edge: OverlayEdge)

This function will be executed after an edge was removed from the container. This can be used to unregister additional handlers, e.g. a TypeObserver.

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open override fun hashCode(): Int
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operator fun <T : Node> Collection<T>.invoke(predicate: (T) -> Boolean): List<T>

A shortcut invoke filter on a list of nodes.

operator fun <T : Node> Collection<T>.invoke(lookup: String): List<T>

A shortcut to filter a list of nodes by their name.

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open override fun isEmpty(): Boolean
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open operator override fun iterator(): MutableIterator<OverlayEdge>
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open operator fun plusAssign(end: Node)
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open fun remove(target: Node): Boolean

Removes all edges with the target node. The target is considered to be either the Edge.end or Edge.start depending on outgoing.

open override fun remove(element: OverlayEdge): Boolean
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open override fun removeAll(elements: Collection<OverlayEdge>): Boolean
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open override fun removeIf(predicate: Predicate<in OverlayEdge>): Boolean
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open fun resetTo(nodes: Collection<Node>)

Clears the collection and adds the nodes.

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open override fun retainAll(elements: Collection<OverlayEdge>): Boolean
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open override fun spliterator(): Spliterator<OverlayEdge>
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open override fun toArray(): Array<Any>
open override fun <T : Any> toArray(p0: Array<T>): Array<T>
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open override fun toNodeCollection(predicate: (OverlayEdge) -> Boolean?): MutableSet<Node>

Converts this collection of edges into a collection of nodes for easier access to the "target" nodes.

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open override fun toString(): String
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open override fun unwrap(): UnwrappedEdgeSet<Node, OverlayEdge>

Returns an UnwrappedEdgeSet magic container which holds a structure that provides easy access to the "target" nodes without edge information.