io.konig.shacl

Class GraphFilter

java.lang.Object

io.konig.shacl.GraphFilter

public class GraphFilter
extends Object

A service that selects the set of vertices that match a given shape

Author:

Greg McFall

Field Summary

Fields

Modifier and Type	Field and Description
static GraphFilter	INSTANCE

Constructor Summary

Constructors

Constructor and Description
GraphFilter()

Method Summary

Methods

Modifier and Type	Method and Description
boolean	matches(Vertex vertex, Shape shape) Test whether a given vertex matches a given shape.
List<Vertex>	select(Graph source, Shape shape) From a particular graph, select the set of vertices that match a given shape.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final GraphFilter INSTANCE

Constructor Detail

GraphFilter

public GraphFilter()

Method Detail

matches

public boolean matches(Vertex vertex,
              Shape shape)

Test whether a given vertex matches a given shape.

Parameters:

vertex - The vertex to be tested.

shape - The shape to be matched against the vertex

Returns:

True if the vertex matches the shape, and false otherwise.

select

public List<Vertex> select(Graph source,
                  Shape shape)

From a particular graph, select the set of vertices that match a given shape.

Parameters:

source - The graph from which vertices will be selected

shape - The shape that vertices must match.

Returns:

The list of vertices that match the given shape.