Class WeightedGraphBuilder<V,W>

java.lang.Object

org.episteme.core.mathematics.discrete.WeightedGraphBuilder<V,W>

public class WeightedGraphBuilder<V,W>
extends Object

Fluent builder for weighted graphs.

Provides a convenient API for constructing weighted graphs:

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Method Summary

Modifier and Type	Method	Description
WeightedGraphBuilder<V,W>	addEdge(V source, V target)	Adds an unweighted edge using the default weight.
WeightedGraphBuilder<V,W>	addEdge(V source, V target, W weight)	Adds a weighted edge to the graph.
WeightedGraphBuilder<V,W>	addVertex(V vertex)	Adds a vertex to the graph.
final WeightedGraphBuilder<V,W>	addVertices(V... vertices)	Adds multiple vertices to the graph.
WeightedGraph<V,W>	build()	Builds and returns the graph.
static <V,W> WeightedGraphBuilder<V,W>	directed()	Creates a builder for a directed weighted graph.
static <V,W> WeightedGraphBuilder<V,W>	directed(W defaultWeight)	Creates a builder for a directed weighted graph with custom default weight.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

directed

public static <V,W> WeightedGraphBuilder<V,W> directed()

Creates a builder for a directed weighted graph.

Type Parameters:

V - the type of vertices

W - the type of edge weights

Returns:

a new builder

directed

public static <V,W> WeightedGraphBuilder<V,W> directed(W defaultWeight)

Creates a builder for a directed weighted graph with custom default weight.

Type Parameters:

V - the type of vertices

W - the type of edge weights

Parameters:

defaultWeight - the default weight for unweighted edges

Returns:

a new builder

addVertex

public WeightedGraphBuilder<V,W> addVertex(V vertex)

Adds a vertex to the graph.

Parameters:

vertex - the vertex to add

Returns:

this builder for chaining

addVertices

@SafeVarargs
public final WeightedGraphBuilder<V,W> addVertices(V... vertices)

Adds multiple vertices to the graph.

Parameters:

vertices - the vertices to add

Returns:

this builder for chaining

addEdge

public WeightedGraphBuilder<V,W> addEdge(V source,
 V target,
 W weight)

Adds a weighted edge to the graph.

Parameters:

source - the source vertex

target - the target vertex

weight - the edge weight

Returns:

this builder for chaining

addEdge

public WeightedGraphBuilder<V,W> addEdge(V source,
 V target)

Adds an unweighted edge using the default weight.

Parameters:

source - the source vertex

target - the target vertex

Returns:

this builder for chaining

build

public WeightedGraph<V,W> build()

Builds and returns the graph.

Returns:

the constructed weighted graph