Re: IdAlreadyInUseException While Using BarabasiAlbertGenerator

[Stefan Balev <stefan.balev AT gmail.com>]

Hi Jacob,

I could not reproduce this exception. I used the following code:

public static void main(String[] args) {

Graph graph = new SingleGraph("test");

Generator generator = new BarabasiAlbertGenerator();

generator.addSink(graph);

generator.begin();

for (int i = 0; i < 100; i++) {

   generator.nextEvents();

}

generator.end();

graph.clear();

generator = new BarabasiAlbertGenerator();

generator.addSink(graph);

generator.begin();

for (int i = 0; i < 100; i++) {

   generator.nextEvents();

}

generator.end();

}

which executes without exception. Are you sure that you really call graph.clear()? If this is the case, could you provide more details, such as a minimal code reproducing the exception and the stack trace?

Best,

--

Stefan

2013/9/13 Jacob M. H. Smith <jacob.m.h.smith AT gmail.com>

Hello.

I'm using GraphStream 1.2 and I'm having the following problem.

I use the BarabasiAlbertGenerator to populate my graph like this:

/* ============================================== */
Generator generator = new BarabasiAlbertGenerator();
generator.addSink(graph);
generator.begin();
for (int i = 0; i < 100; i++) {
    generator.nextEvents();
}
generator.end();
/* ============================================== */

Later in my program I call the graph's clear() method and do the same thing again. The second time I get an IdAlreadyInUseException.

What am I doing wrong? Am I using the generator or the graph in a way that wasn't intended?

Best regards,
Jacob