# AGGetStatements.java

`package com.franz.agbase.examples;
import com.franz.agbase.*;
public class AGGetStatements {
/**
* Demonstrates some basics of retrieval by matching 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
AllegroGraph ts = ags.renew("getstatements", AGPaths.TRIPLE_STORES);
// Register your namespaces
ts.registerNamespace("ex","http://example.org/");
// Add some triples to the store
ts.addStatement("!ex:a","!ex:p", "!ex:b");
ts.addStatement("!ex:p","!rdfs:domain", "!ex:D");
ts.addStatement("!ex:p","!rdfs:range", "!ex:R");
// Retrieve triples by matching subject
TriplesIterator cc = ts.getStatements(false,"!ex:a",null,null);
System.out.println("Retrieving triples with subject ex:a");
AGUtils.showTriples(cc);
// Retrieve triples by matching predicate
cc = ts.getStatements(false,null,"!rdfs:domain",null);
System.out.println("Retrieving triples with predicate rdfs:domain");
AGUtils.showTriples(cc);
// Retrieve triples by matching object
cc = ts.getStatements(false,null,null,"!ex:b");
System.out.println("Retrieving triples with object ex:b");
AGUtils.showTriples(cc);
// Close the triple store and disconnect from the server
ts.closeTripleStore();
ags.disable();
}
}
`

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