AGCreatingTriples.java
package com.franz.agbase.examples;
import com.franz.agbase.*;
public class AGCreatingTriples {
/**
* Demonstrates some basics of creating triples from triple parts.
*
* @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 for this example.
AllegroGraph ts = ags.renew("creatingtriples", AGPaths.TRIPLE_STORES);
// Create a triple from parts in N-Triples format and add it to the store
// but don't return the triple
ts.addStatement("<http://example.org/Dog>",
"<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>",
"<http://www.w3.org/2002/07/owl#Class>");
// Create a triple from parts in N-Triples format and add it to the store
// and return the triple
Triple tr = ts.newTriple("<http://example.org/Dog>",
"<http://www.w3.org/2000/01/rdf-schema#subClassOf>",
"<http://example.org/Mammal>");
System.out.println("Created and added the following triple to the store:");
AGUtils.showTriple(tr);
// Close the store and disconnect from the server.
ts.closeTripleStore();
ags.disable();
}
}
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