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interface GraphBase.Context<UN,Tp>

undocumented

Extends: GraphBase.Factory<Tp,UN>

Implemented by: GraphContext<UN,TT,Dir,Tp>, Graph.Context<UN>, ArrowGraphBase.Context<UN,Tp>, EdgeGraphBase.Context<UN,Tp>

Type parameters

NameConstraintsDefaultDescription
UNundocumented
TpGraphBase.TypesGraphBase.Typesundocumented

Properties

_fixedType

undocumented

Definition

readonly _fixedType: UN;

isDirected

Returns true if the graphs created by this context are arrow (directed) graphs.

Definition

readonly isDirected: boolean;

linkConnectionsContext

The context instance used to create internal connection collections

Definition

readonly linkConnectionsContext: WithGraphValues<Tp, UN, unknown>['linkConnectionsContext'];

linkMapContext

The context instance used to create internal link maps

Definition

readonly linkMapContext: WithGraphValues<Tp, UN, unknown>['linkMapContext'];

typeTag

A string tag defining the specific collection type

Definition

readonly typeTag: string;

example
ArrowGraphHashed.defaultContext().typeTag   // => 'ArrowGraphHashed'

Methods

builder

Returns an empty builder instance.

Definition

builder<N extends UN>(): WithGraphValues<Tp, N, unknown>['builder'];

Type parameters

NameConstraintsDescription
NUN
example
ArrowValuedGraphHashed.builder<number, string>()    // => ArrowValuedGraphHashed.Builder<number, string>

Overrides

Factory.builder

empty

Returns the (singleton) empty instance of this type and context with given key and value types.

Definition

empty<N extends UN>(): WithGraphValues<Tp, N, unknown>['normal'];

Type parameters

NameConstraintsDescription
NUN
example
ArrowGraphHashed.empty<number>()    // => ArrowGraphHashed<number>
ArrowGraphHashed.empty<string>() // => ArrowGraphHashed<string>

Overrides

Factory.empty

from

Returns an immutable valued Graph, containing the graph elements from each of the given sources.

Definitions

from<N extends UN>(...sources: ArrayNonEmpty<StreamSource.NonEmpty<GraphElement<N>>>): WithGraphValues<Tp, N, unknown>['nonEmpty'];

from<N extends UN>(...sources: ArrayNonEmpty<StreamSource<GraphElement<N>>>): WithGraphValues<Tp, N, unknown>['normal'];

Type parameters

NameConstraintsDescription
NUN

Parameters

NameTypeDescription
sourcesArrayNonEmpty<StreamSource.NonEmpty<GraphElement<N>>>an array of StreamSource instances containing graph elements to add
example
ArrowGraphHashed.from([[1], [2]], [[3, 4]])  // => ArrowGraphHashed.NonEmpty<number>

Overrides

Factory.from

of

Returns an immutable valued Graph instance containing the graph elements from the given graphElements.

Definition

of<N extends UN>(...graphElements: ArrayNonEmpty<GraphElement<N>>): WithGraphValues<Tp, N, unknown>['nonEmpty'];

Type parameters

NameConstraintsDescription
NUN

Parameters

NameTypeDescription
graphElementsArrayNonEmpty<GraphElement<N>>a non-empty array of graph elements that are either a single tuple containing a node, or a triplet containing two connection nodes and the connection value.
example
ArrowGraphHashed.of([1], [2], [3, 4]) // => ArrowGraphHashed.NonEmpty<number>

Overrides

Factory.of

reducer

Returns a Reducer that adds received graph elements to a Graph and returns the Graph as a result. When a source is given, the reducer will first create a graph from the source, and then add graph elements to it.

Definition

reducer<N extends UN>(source?: StreamSource.NonEmpty<GraphElement<N>>): Reducer<GraphElement<N>, WithGraphValues<Tp, N, unknown>['normal']>;

Type parameters

NameConstraintsDescription
NUN

Parameters

NameTypeDescription
sourceStreamSource.NonEmpty<GraphElement<N>>(optional) an initial source of graph elements to add to
example
const someSource: GraphElement<number>[] = [[1, 2], [3], [5]];
const result = Stream.of([1, 3], [4, 3]).reduce(ArrowGraphSorted.reducer(someSource))
result.toArray() // => [[1, 2], [1, 3], [4, 3], [5]]
note

uses a builder under the hood. If the given source is a Graph in the same context, it will directly call .toBuilder().

Overrides

Factory.reducer