private boolean isObsolete(Resource ctx) throws SailException {
CloseableIteration<? extends Statement, SailException> stmts;
stmts = super.getStatements(null, null, null, true, ctx);
try {
while (stmts.hasNext()) {
Statement st = stmts.next();
URI pred = st.getPredicate();
Value obj = st.getObject();
String ns = pred.getNamespace();
if (Audit.NAMESPACE.equals(ns) || PROV.equals(ns) || AUDIT_2012.equals(ns)) continue;
if (RDF.SUBJECT.equals(pred) || RDF.PREDICATE.equals(pred) || RDF.OBJECT.equals(pred))
continue;
if (RDF.TYPE.equals(pred) && obj instanceof URI) {
ns = ((URI) obj).getNamespace();
if (Audit.NAMESPACE.equals(ns)
|| PROV.equals(ns)
|| AUDIT_2012.equals(ns)
|| RDF.NAMESPACE.equals(ns)) continue;
}
return false;
}
} finally {
stmts.close();
}
return true;
}
public AuditingConnection(
AuditingSail sail, SailConnection wrappedCon, Set<Resource> predecessors)
throws DatatypeConfigurationException {
super(wrappedCon);
this.sail = sail;
factory = DatatypeFactory.newInstance();
vf = sail.getValueFactory();
entityResolver = new OperationEntityResolver(vf);
currentTrx = vf.createURI(CURRENT_TRX.stringValue());
this.predecessors = predecessors;
informedBy = vf.createURI(WAS_INFORMED_BY);
qualifiedUsage = vf.createURI(QUALIFIED_USAGE);
usedEntity = vf.createURI(ENTITY);
changed = vf.createURI(CHANGED);
subject = vf.createURI(RDF.SUBJECT.stringValue());
predicate = vf.createURI(RDF.PREDICATE.stringValue());
object = vf.createURI(RDF.OBJECT.stringValue());
}