Re: [jgrapht-users] Searching a node based on some attributes

[Szabolcs B. <bes...@gm...>]

​If I understand your question correctly, you simply want to filter the
vertex set of your graph by a certain attribute.
Let's say we have a relationship graph between people:
UndirectedGraph<Person, DefaultEdge> graph = createRealtionshipGraph();​
You can filter the vertex set simply by:
Set<Person> filteredVertices = new HashSet<>();
filteredVertices.addAll(graph.vertexSet().stream().filter(p -> p.height() >
180));
​(The *Person​* class could hold different attributes age, height, sex,
etc.)
>From here you can create a new graph based on your result or just do
something with these vertices.​
​
I hope I could help.

​Regards,

Besenyei Szabolcs

2015-11-15 8:08 GMT+01:00 Atreyee Maiti <atr...@gm...>:

> Hi,
>
> I was wondering if there is a way to find a node given certain attributes
> in a graph using Jgrapht. I understand that I could always construct a
> similar node and as long as the equals method is correctly implemented, I
> would be able to verify if the node exists in the graph but what if I know
> only 1 specific attribute of the node that I want to search by?
>
> Essentially I am looking for a search filter kind of querying mechanism.
>
> Regards,
> Atreyee
>
>
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