@Override
public void populateEntity(
RdfPersistenceContext persistenceContext,
Object entity,
Node subject,
Graph graph,
Consumer<Triple> outSink) {
Model model = ModelFactory.createModelForGraph(graph);
RDFNode root = ModelUtils.convertGraphNodeToRDFNode(subject, model);
// <Object, Object>
Map map = createMapView.apply(entity);
for (Statement stmt : root.asResource().listProperties(entry).toList()) {
Resource e = stmt.getObject().asResource();
Node kNode = e.getProperty(key).getObject().asNode();
Node vNode = e.getProperty(value).getObject().asNode();
// TODO: We need to dynamically figure out which entity the node could be
RdfType rdfType = null;
Object k =
persistenceContext.entityFor(
Object.class, kNode, null); // new TypedNode(rdfType, kNode));
Object v =
persistenceContext.entityFor(
Object.class, vNode, null); // new TypedNode(rdfType, vNode));
map.put(k, v);
}
}
/** Return a list of all tests of the given type, according to the current filters */
public List<Resource> findTestsOfType(Resource testType) {
ArrayList<Resource> result = new ArrayList<>();
StmtIterator si = testDefinitions.listStatements(null, RDF.type, testType);
while (si.hasNext()) {
Resource test = si.nextStatement().getSubject();
boolean accept = true;
// Check test status
Literal status = (Literal) test.getProperty(RDFTest.status).getObject();
if (approvedOnly) {
accept = status.getString().equals(STATUS_FLAGS[0]);
} else {
accept = false;
for (String STATUS_FLAG : STATUS_FLAGS) {
if (status.getString().equals(STATUS_FLAG)) {
accept = true;
break;
}
}
}
// Check for blocked tests
for (String BLOCKED_TEST : BLOCKED_TESTS) {
if (BLOCKED_TEST.equals(test.toString())) {
accept = false;
}
}
// End of filter tests
if (accept) {
result.add(test);
}
}
return result;
}
/**
* Update or persist a domain object outside String, Date, and the usual primitive types. We set
* the write style to shallow=true, causing an end of recursive traversal of the object graph.
*
* @param subject
* @param property
* @param o
*/
private void setPropertyValue(Resource subject, Property property, Object o) {
Statement s = subject.getProperty(property);
Resource existing = null;
if (s != null) {
existing = s.getResource();
if (existing.isAnon()) existing.removeProperties();
}
subject.removeAll(property).addProperty(property, _write(o, true));
}
private Resource toResource(Object bean) {
String uri = instanceURI(bean);
Resource type = getRDFSClass(bean);
if (jpa.isEmbedded(bean) || uri == null) return m.createResource(type);
else {
// added by saeed to differentiate between save and update
Resource resource = m.createResource(uri);
if (resource.getProperty(RDF.type) == null) {
resource.addProperty(RDF.type, type);
}
return resource;
}
}
public static ArrayList<RdfModel> processRDF(InputStream in) {
Model model = ModelFactory.createDefaultModel();
ArrayList<RdfModel> result = new ArrayList<RdfModel>();
if (in != null) {
model.read(in, "RDF/XML");
// Now, I only care these propties: has-title, year-of, full-name. All three of them must
// exist'
for (final ResIterator it = model.listSubjectsWithProperty(RdfPropertyList.p_hasTitle);
it.hasNext(); ) {
RdfModel rm = new RdfModel();
try {
final Resource node =
it.next().asResource(); // node is a resource which has title property
rm.setHasTitle(node.getProperty(RdfPropertyList.p_hasTitle).getString());
StringBuilder authors = new StringBuilder();
StringBuilder dates = new StringBuilder();
for (final StmtIterator all_props = node.listProperties(); all_props.hasNext(); ) {
try {
Resource all_res = all_props.next().getObject().asResource();
StmtIterator fullnames = all_res.listProperties(RdfPropertyList.p_fullName);
StmtIterator years = all_res.listProperties(RdfPropertyList.p_year);
// Just for now I may have mutiple author or dates in a String, seperated by comma
RdfProcess newprocess = new RdfProcess();
while (fullnames.hasNext()) {
String fullname = newprocess.getValue(fullnames.next().getObject());
if (!fullname.equals("Invalid/Lack of Information")) {
authors.append(fullname + " , ");
}
}
while (years.hasNext()) {
String year = newprocess.getValue(years.next().getObject());
if (!year.equals("Invalid/Lack of Information")) {
dates.append(year + " , ");
}
}
} catch (Exception e) {
}
}
rm.setHasDate(dates.toString());
rm.setHasAuthor(authors.toString());
} catch (Exception e) {
}
result.add(rm);
}
}
return result;
}
@Override
public EntityDefinition open(Assembler a, Resource root, Mode mode) {
String prologue = "PREFIX : <" + NS + "> PREFIX list: <http://jena.apache.org/ARQ/list#> ";
Model model = root.getModel();
String qs1 =
StrUtils.strjoinNL(
prologue,
"SELECT * {",
" ?eMap :entityField ?entityField ;",
" :map ?map ;",
" :defaultField ?dftField .",
" OPTIONAL {",
" ?eMap :graphField ?graphField",
" }",
" OPTIONAL {",
" ?eMap :langField ?langField",
" }",
" OPTIONAL {",
" ?eMap :uidField ?uidField",
" }",
"}");
ParameterizedSparqlString pss = new ParameterizedSparqlString(qs1);
pss.setIri("eMap", root.getURI());
Query query1 = QueryFactory.create(pss.toString());
QueryExecution qexec1 = QueryExecutionFactory.create(query1, model);
ResultSet rs1 = qexec1.execSelect();
List<QuerySolution> results = ResultSetFormatter.toList(rs1);
if (results.size() == 0) {
Log.warn(this, "Failed to find a valid EntityMap for : " + root);
throw new TextIndexException("Failed to find a valid EntityMap for : " + root);
}
if (results.size() != 1) {
Log.warn(this, "Multiple matches for EntityMap for : " + root);
throw new TextIndexException("Multiple matches for EntityMap for : " + root);
}
QuerySolution qsol1 = results.get(0);
String entityField = qsol1.getLiteral("entityField").getLexicalForm();
String graphField =
qsol1.contains("graphField") ? qsol1.getLiteral("graphField").getLexicalForm() : null;
String langField =
qsol1.contains("langField") ? qsol1.getLiteral("langField").getLexicalForm() : null;
String defaultField =
qsol1.contains("dftField") ? qsol1.getLiteral("dftField").getLexicalForm() : null;
String uniqueIdField =
qsol1.contains("uidField") ? qsol1.getLiteral("uidField").getLexicalForm() : null;
Multimap<String, Node> mapDefs = HashMultimap.create();
Map<String, Analyzer> analyzerDefs = new HashMap<>();
Statement listStmt = root.getProperty(TextVocab.pMap);
while (listStmt != null) {
RDFNode n = listStmt.getObject();
if (!n.isResource()) {
throw new TextIndexException("Text list node is not a resource : " + n);
}
Resource listResource = n.asResource();
if (listResource.equals(RDF.nil)) {
break; // end of the list
}
Statement listEntryStmt = listResource.getProperty(RDF.first);
if (listEntryStmt == null) {
throw new TextIndexException("Text map list is not well formed. No rdf:first property");
}
n = listEntryStmt.getObject();
if (!n.isResource()) {
throw new TextIndexException("Text map list entry is not a resource : " + n);
}
Resource listEntry = n.asResource();
Statement fieldStatement = listEntry.getProperty(TextVocab.pField);
if (fieldStatement == null) {
throw new TextIndexException("Text map entry has no field property");
}
n = fieldStatement.getObject();
if (!n.isLiteral()) {
throw new TextIndexException("Text map entry field property has no literal value : " + n);
}
String field = n.asLiteral().getLexicalForm();
Statement predicateStatement = listEntry.getProperty(TextVocab.pPredicate);
if (predicateStatement == null) {
throw new TextIndexException("Text map entry has no predicate property");
}
n = predicateStatement.getObject();
if (!n.isURIResource()) {
throw new TextIndexException(
"Text map entry predicate property has non resource value : " + n);
}
mapDefs.put(field, n.asNode());
Statement analyzerStatement = listEntry.getProperty(TextVocab.pAnalyzer);
if (analyzerStatement != null) {
n = analyzerStatement.getObject();
if (!n.isResource()) {
throw new TextIndexException("Text map entry analyzer property is not a resource : " + n);
}
Resource analyzerResource = n.asResource();
Analyzer analyzer = (Analyzer) a.open(analyzerResource);
analyzerDefs.put(field, analyzer);
}
// move on to the next element in the list
listStmt = listResource.getProperty(RDF.rest);
}
// Primary field/predicate
if (defaultField != null) {
Collection<Node> c = mapDefs.get(defaultField);
if (c.isEmpty())
throw new TextIndexException("No definition of primary field '" + defaultField + "'");
}
EntityDefinition docDef = new EntityDefinition(entityField, defaultField);
docDef.setGraphField(graphField);
docDef.setLangField(langField);
docDef.setUidField(uniqueIdField);
for (String f : mapDefs.keys()) {
for (Node p : mapDefs.get(f)) docDef.set(f, p);
}
for (String f : analyzerDefs.keySet()) {
docDef.setAnalyzer(f, analyzerDefs.get(f));
}
return docDef;
}
