This example inserts two triples into the default graph using SPARQL update.
import com.hp.hpl.jena.graph.*; import com.hp.hpl.jena.rdf.model.Model; import oracle.rdf.kv.client.jena.*; import com.hp.hpl.jena.update.*; import com.hp.hpl.jena.util.iterator.ExtendedIterator; public class Example14 { public static void main(String[] args) throws Exception { String szStoreName = args[0]; String szHostName = args[1]; String szHostPort = args[2]; String szGraphName = args[3]; // Create Oracle NoSQL connection OracleNoSqlConnection conn = OracleNoSqlConnection.createInstance(szStoreName, szHostName, szHostPort); // Create model for default graph Model model = OracleModelNoSql.createOracleModelNoSql(szGraphName, conn); // Clear model model.removeAll(); String insertString = "PREFIX dc: <http://purl.org/dc/elements/1.1/> " + "INSERT DATA " + "{ <http://example/book3> dc:title \"A new book\" ; " + " dc:creator \"A.N.Other\" . " + " } "; System.out.println("Execute insert action " + insertString); UpdateAction.parseExecute(insertString, model); OracleGraphNoSql graph = (OracleGraphNoSql) model.getGraph(); // Find all triples in the default graph ExtendedIterator<Triple> ei = GraphUtil.findAll(graph); while (ei.hasNext()) { System.out.println("Triple " + ei.next().toString()); } ei.close(); model.close(); conn.dispose(); } }
The following are the commands to compile and run this example, as well as the expected output of the java command.
javac -classpath ./:./jena-core-2.7.4.jar:./jena-arq-2.9.4.jar: \ ./sdordfnosqlclient.jar:./kvclient.jar:./xercesImpl-2.10.0.jar: \ ./slf4j-api-1.6.4.jar:./slf4j-log4j12-1.6.4.jar:./log4j/1.2.16.jar: \ \./jena-iri-0.9.4.jar:./xml-apis-1.4.01.jar Example14.java javac -classpath ./:./jena-core-2.7.4.jar:./jena-arq-2.9.4.jar: \ ./sdordfnosqlclient.jar:./kvclient.jar:./xercesImpl-2.10.0.jar: \ ./slf4j-api-1.6.4.jar:./slf4j-log4j12-1.6.4.jar:./log4j/1.2.16.jar: \ ./jena-iri-0.9.4.jar:./xml-apis-1.4.01.jar Example14 <store_name> \ <host_name> <host_port> <graph_name> Triple http://example/book3 @dc:creator "A.N.Other" Triple http://example/book3 @dc:title "A new book"