/**
* Test that can be used to verify that we are doing an efficient scan for the distinct predicates
* (distinct key prefix scan).
*/
public void test_rdf01_distinctPrefixScan() throws Exception {
final Properties properties = super.getProperties();
// override the default axiom model.
properties.setProperty(
com.bigdata.rdf.store.AbstractTripleStore.Options.AXIOMS_CLASS, NoAxioms.class.getName());
final AbstractTripleStore store = getStore(properties);
try {
final BigdataValueFactory f = store.getValueFactory();
final URI A = f.createURI("http://www.foo.org/A");
final URI B = f.createURI("http://www.foo.org/B");
final URI C = f.createURI("http://www.foo.org/C");
final URI D = f.createURI("http://www.foo.org/D");
final URI E = f.createURI("http://www.foo.org/E");
final URI rdfType = RDF.TYPE;
final URI rdfProperty = RDF.PROPERTY;
/*
* Three statements that will trigger the rule, but two statements
* share the same predicate. When it does the minimum amount of
* work, the rule will fire for each distinct predicate in the KB --
* for this KB that is only twice.
*/
store.addStatement(A, B, C);
store.addStatement(C, B, D);
store.addStatement(A, E, C);
assertTrue(store.hasStatement(A, B, C));
assertTrue(store.hasStatement(C, B, D));
assertTrue(store.hasStatement(A, E, C));
assertFalse(store.hasStatement(B, rdfType, rdfProperty));
assertFalse(store.hasStatement(E, rdfType, rdfProperty));
assertEquals(3, store.getStatementCount());
final Rule r = new RuleRdf01(store.getSPORelation().getNamespace(), store.getVocabulary());
applyRule(store, r, 2 /* solutionCount */, 2 /* mutationCount */);
/*
* validate the state of the primary store.
*/
assertTrue(store.hasStatement(A, B, C));
assertTrue(store.hasStatement(C, B, D));
assertTrue(store.hasStatement(A, E, C));
assertTrue(store.hasStatement(B, rdfType, rdfProperty));
assertTrue(store.hasStatement(E, rdfType, rdfProperty));
assertEquals(5, store.getStatementCount());
} finally {
store.__tearDownUnitTest();
}
}
/** Basic test of rule semantics. */
public void test_rdf01() throws Exception {
final Properties properties = super.getProperties();
// override the default axiom model.
properties.setProperty(
com.bigdata.rdf.store.AbstractTripleStore.Options.AXIOMS_CLASS, NoAxioms.class.getName());
final AbstractTripleStore store = getStore(properties);
try {
final BigdataValueFactory f = store.getValueFactory();
final URI A = f.createURI("http://www.foo.org/A");
final URI B = f.createURI("http://www.foo.org/B");
final URI C = f.createURI("http://www.foo.org/C");
final URI rdfType = RDF.TYPE;
final URI rdfProperty = RDF.PROPERTY;
store.addStatement(A, B, C);
assertTrue(store.hasStatement(A, B, C));
assertFalse(store.hasStatement(B, rdfType, rdfProperty));
assertEquals(1, store.getStatementCount());
final Rule r = new RuleRdf01(store.getSPORelation().getNamespace(), store.getVocabulary());
applyRule(store, r, 1 /* solutionCount*/, 1 /*mutationCount*/);
/*
* validate the state of the primary store.
*/
assertTrue(store.hasStatement(A, B, C));
assertTrue(store.hasStatement(B, rdfType, rdfProperty));
assertEquals(2, store.getStatementCount());
} finally {
store.__tearDownUnitTest();
}
}
