private void generateTriplesForCell(
Node node,
Set<String> existingTopRowTriples,
String hNodeId,
Set<String> predicatesCovered,
Map<String, ReportMessage> predicatesFailed) {
Map<String, String> columnValues = node.getColumnValues();
List<PredicateObjectMap> pomList = this.auxInfo.getHNodeIdToPredObjLinks().get(hNodeId);
if (pomList == null || pomList.isEmpty()) return;
List<TriplesMap> toBeProcessedTriplesMap = new LinkedList<TriplesMap>();
for (PredicateObjectMap pom : pomList) {
toBeProcessedTriplesMap.add(pom.getTriplesMap());
}
Set<String> alreadyProcessedTriplesMapIds = new HashSet<String>();
while (!toBeProcessedTriplesMap.isEmpty()) {
TriplesMap trMap = toBeProcessedTriplesMap.remove(0);
boolean dontAddNeighboringMaps = false;
// Generate properties for the triple maps
for (PredicateObjectMap pom : trMap.getPredicateObjectMaps()) {
if (!predicatesCovered.contains(pom.getPredicate().getId())) {
generatePropertyForPredObjMap(
pom,
columnValues,
predicatesCovered,
existingTopRowTriples,
hNodeId,
predicatesFailed);
}
}
// Need to stop at the root
if (trMap.getSubject().isSteinerTreeRootNode()) {
dontAddNeighboringMaps = true;
}
List<TriplesMapLink> neighboringLinks =
this.auxInfo.getTriplesMapGraph().getAllNeighboringTriplesMap(trMap.getId());
for (TriplesMapLink trMapLink : neighboringLinks) {
if (predicatesCovered.contains(
trMapLink.getPredicateObjectMapLink().getPredicate().getId())) continue;
// Add the other triplesMap in queue to be processed later
if (!alreadyProcessedTriplesMapIds.contains(trMapLink.getSourceMap().getId())
&& !dontAddNeighboringMaps) {
toBeProcessedTriplesMap.add(trMapLink.getSourceMap());
}
if (!alreadyProcessedTriplesMapIds.contains(trMapLink.getTargetMap().getId())
&& !dontAddNeighboringMaps) {
toBeProcessedTriplesMap.add(trMapLink.getTargetMap());
}
}
alreadyProcessedTriplesMapIds.add(trMap.getId());
}
}
private void generatePropertyForPredObjMap(
PredicateObjectMap pom,
Map<String, String> columnValues,
Set<String> predicatesCovered,
Set<String> existingTopRowTriples,
String hNodeId,
Map<String, ReportMessage> predicatesFailed) {
// Generate subject RDF
SubjectMap subjMap = pom.getTriplesMap().getSubject();
String subjUri = "";
try {
subjUri = generateSubjectMapRDF(subjMap, existingTopRowTriples, columnValues);
} catch (ValueNotFoundKarmaException ve) {
ReportMessage msg =
createReportMessage(
"Could not generate subject's RDF and URI for <i>predicate:"
+ pom.getPredicate()
.getTemplate()
.toString()
.replaceAll("<", "{")
.replaceAll(">", "}")
+ ", subject node: "
+ subjMap.getId()
+ "</i>",
ve,
this.factory.getHNode(hNodeId).getColumnName());
predicatesFailed.put(pom.getPredicate().getId(), msg);
return;
} catch (NoValueFoundInNodeException e) {
logger.debug("No value found in a node required to generate subject's RDF or URI.");
}
// Generate the predicate RDF
String predicateUri = "";
try {
predicateUri =
getTemplateTermSetPopulatedWithValues(columnValues, pom.getPredicate().getTemplate())
.replaceAll(" ", "");
} catch (ValueNotFoundKarmaException ve) {
ReportMessage msg =
createReportMessage(
"Could not generate predicate's URI for <i>predicate:"
+ pom.getPredicate()
.getTemplate()
.toString()
.replaceAll("<", "{")
.replaceAll(">", "}")
+ ", subject node: "
+ subjMap.getId()
+ "</i>",
ve,
this.factory.getHNode(hNodeId).getColumnName());
predicatesFailed.put(pom.getPredicate().getId(), msg);
return;
} catch (NoValueFoundInNodeException e) {
logger.debug("No value found in a node required to generate predicate's URI.");
}
// Object property
if (pom.getObject().hasRefObjectMap()) {
// Generate the object URI
TriplesMap objPropertyObjectTriplesMap =
pom.getObject().getRefObjectMap().getParentTriplesMap();
String objUri = "";
try {
objUri =
generateSubjectMapRDF(
objPropertyObjectTriplesMap.getSubject(), existingTopRowTriples, columnValues);
} catch (ValueNotFoundKarmaException ve) {
ReportMessage msg =
createReportMessage(
"Could not generate object's URI for <i>predicate:"
+ pom.getPredicate()
.getTemplate()
.toString()
.replaceAll("<", "{")
.replaceAll(">", "}")
+ ", subject node: "
+ pom.getTriplesMap().getSubject().getId()
+ "</i>",
ve,
this.factory.getHNode(hNodeId).getColumnName());
predicatesFailed.put(pom.getPredicate().getId(), msg);
return;
} catch (NoValueFoundInNodeException e) {
logger.debug("No value found in a node required to generate object's URI for a predicate.");
}
String triple = constructTripleWithURIObject(subjUri, predicateUri, objUri);
if (!existingTopRowTriples.contains(triple)) {
outWriter.println(triple);
existingTopRowTriples.add(triple);
}
}
// Data Property
else {
// Get the value
String value = "";
try {
value = getTemplateTermSetPopulatedWithValues(columnValues, pom.getObject().getTemplate());
if (value == null || value.trim().equals("")) return;
} catch (ValueNotFoundKarmaException ve) {
ReportMessage msg =
createReportMessage(
"Could not retrieve value for the <i>predicate:"
+ pom.getPredicate()
.getTemplate()
.toString()
.replaceAll("<", "{")
.replaceAll(">", "}")
+ ", subject node: "
+ subjMap.getId()
+ "</i>",
ve,
this.factory.getHNode(hNodeId).getColumnName());
predicatesFailed.put(pom.getPredicate().getId(), msg);
return;
} catch (NoValueFoundInNodeException e) {
logger.debug("No value found in a node required to generate value for a predicate.");
}
String triple = constructTripleWithLiteralObject(subjUri, predicateUri, value, "");
if (!existingTopRowTriples.contains(triple)) {
existingTopRowTriples.add(triple);
outWriter.println(triple);
}
}
predicatesCovered.add(pom.getPredicate().getId());
if (predicatesFailed.containsKey(pom.getPredicate().getId()))
predicatesFailed.remove(pom.getPredicate().getId());
}
