# AGSNAGenerators.java

`package com.franz.agbase.examples;
import com.franz.agbase.*;
public class AGSNAGenerators {
/**
* Demonstrates some basics of using generators in a Social Network.
*
* @param args unused
* @throws AllegroGraphException
*/
public static void main(String[] args) throws AllegroGraphException {
// Connect to server, which must already be running.
AllegroGraphConnection ags = new AllegroGraphConnection();
try {
ags.enable();
} catch (Exception e) {
throw new AllegroGraphException("Server connection problem", e);
}
// Create a fresh triple-store.
AllegroGraph ts = ags.renew("snagenerators", AGPaths.TRIPLE_STORES);
// Register namespaces
ts.registerNamespace("ex", "http://example.org/");
// Load a small graph of data
AGLoadNtriples.loadNTriplesWithTiming(ts, AGPaths.dataSources("sna-doublediamond.nt"));
// Get an SNA extension instance for this store to work with SNA features
SNAExtension sna = ts.getSNAExtension();
// Register an objects-of generator
Object[] parts = new Object[2];
parts[0] = "objects-of";
parts[1] = "!ex:to";
sna.registerGenerator("to-objects", parts);
// Register a subjects-of generator
parts[0] = "subjects-of";
parts[1] = "!ex:to";
sna.registerGenerator("to-subjects", parts);
// Register an undirected generator
parts[0] = "undirected";
parts[1] = "!ex:to";
sna.registerGenerator("to-undirected", parts);
// Define a group of actors
String[] group = {"!ex:a","!ex:b","!ex:c","!ex:d","!ex:e","!ex:f","!ex:g","!ex:h"};
// And the list of generators
String[] generators = {"to-objects","to-subjects","to-undirected"};
// Show the nodal degrees of each node with respect to each generator
for (int i=0;i<group.length;i++) {
for (int j=0;j<generators.length;j++){
long nodalDegree = sna.getNodalDegree(group[i], generators[j]);
System.out.println("Nodal Degree of " + group[i] + " using " + generators[j] + " is " + nodalDegree);
}
}
// Show the nodal neighbors of each node with respect to each generator
for (int i=0;i<group.length;i++) {
for (int j=0;j<generators.length;j++){
UPI[] nodalNeighbors = sna.getNodalNeighbors(group[i], generators[j]);
System.out.println("Nodal Neighbors of " + group[i] + " using " + generators[j] + " are "
+ AGUtils.upiArrayToString(ts,nodalNeighbors));
}
}
// Close the store and disconnect from the server.
ts.closeTripleStore();
ags.disable();
}
}
`

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