public void gatherData(ObjectBundle bundle) {
if (haveToGeneratePrefixes) {
generatePrefixes();
haveToGeneratePrefixes = false;
}
Iterator<BSBMResource> it = bundle.iterator();
try {
while (it.hasNext()) {
BSBMResource obj = it.next();
// If modular generation is applied
if (Generator.noOfMachines != -1) {
if (((currentWriter + 1) % Generator.noOfMachines == Generator.thisMachineId)) {
if (obj instanceof ProductType) {
dataFileWriter[currentWriter].append(convertProductType((ProductType) obj));
} else if (obj instanceof Offer) {
dataFileWriter[currentWriter].append(convertOffer((Offer) obj));
} else if (obj instanceof Product) {
dataFileWriter[currentWriter].append(convertProduct((Product) obj));
} else if (obj instanceof Person) {
dataFileWriter[currentWriter].append(convertPerson((Person) obj, bundle));
} else if (obj instanceof Producer) {
dataFileWriter[currentWriter].append(convertProducer((Producer) obj));
} else if (obj instanceof ProductFeature) {
dataFileWriter[currentWriter].append(convertProductFeature((ProductFeature) obj));
} else if (obj instanceof Vendor) {
dataFileWriter[currentWriter].append(convertVendor((Vendor) obj));
} else if (obj instanceof Review) {
dataFileWriter[currentWriter].append(convertReview((Review) obj, bundle));
}
}
} else if (currentWriter > (Generator.fromFileId - 2)
&& currentWriter < Generator.toFileId) {
if (obj instanceof ProductType) {
dataFileWriter[currentWriter].append(convertProductType((ProductType) obj));
} else if (obj instanceof Offer) {
dataFileWriter[currentWriter].append(convertOffer((Offer) obj));
} else if (obj instanceof Product) {
dataFileWriter[currentWriter].append(convertProduct((Product) obj));
} else if (obj instanceof Person) {
dataFileWriter[currentWriter].append(convertPerson((Person) obj, bundle));
} else if (obj instanceof Producer) {
dataFileWriter[currentWriter].append(convertProducer((Producer) obj));
} else if (obj instanceof ProductFeature) {
dataFileWriter[currentWriter].append(convertProductFeature((ProductFeature) obj));
} else if (obj instanceof Vendor) {
dataFileWriter[currentWriter].append(convertVendor((Vendor) obj));
} else if (obj instanceof Review) {
dataFileWriter[currentWriter].append(convertReview((Review) obj, bundle));
}
}
currentWriter = (currentWriter + 1) % dataFileWriter.length;
}
} catch (IOException e) {
System.err.println("Could not write into File!");
System.err.println(e.getMessage());
System.exit(-1);
}
}
/*
* Converts the Person Object into an TriG String
* representation.
*/
private String convertPerson(Person person, ObjectBundle bundle) {
StringBuffer result = new StringBuffer();
// First the uriref for the subject
result.append(Person.getPrefixed(person.getNr(), bundle.getPublisherNum()));
result.append("\n");
// rdf:type
result.append(createTriplePO(RDF.prefixed("type"), FOAF.prefixed("Person")));
// foaf:name
result.append(createTriplePO(FOAF.prefixed("name"), createLiteral(person.getName())));
// foaf:mbox_sha1sum
result.append(
createTriplePO(FOAF.prefixed("mbox_sha1sum"), createLiteral(person.getMbox_sha1sum())));
// bsbm:country
result.append(
createTriplePO(
BSBM.prefixed("country"), createURIref(ISO3166.find(person.getCountryCode()))));
// dc:publisher
result.append(
createTriplePO(DC.prefixed("publisher"), RatingSite.getPrefixed(person.getPublisher())));
// dc:date
GregorianCalendar date = new GregorianCalendar();
date.setTimeInMillis(person.getPublishDate());
String dateString = DateGenerator.formatDate(date);
result.append(
createTriplePOEnd(
DC.prefixed("date"), createDataTypeLiteral(dateString, XSD.prefixed("date"))));
return result.toString();
}
/*
* Converts the Review Object into an TriG String
* representation.
*/
private String convertReview(Review review, ObjectBundle bundle) {
StringBuffer result = new StringBuffer();
// First the uriref for the subject
result.append(Review.getPrefixed(review.getNr(), bundle.getPublisherNum()));
result.append("\n");
// rdf:type
result.append(createTriplePO(RDF.prefixed("type"), BSBM.prefixed("Review")));
// bsbm:reviewFor
result.append(
createTriplePO(
BSBM.prefixed("reviewFor"),
Product.getPrefixed(review.getProduct(), review.getProducerOfProduct())));
// rev:reviewer
result.append(
createTriplePO(
REV.prefixed("reviewer"),
Person.getPrefixed(review.getPerson(), review.getPublisher())));
// dc:title
result.append(createTriplePO(DC.prefixed("title"), createLiteral(review.getTitle())));
// rev:text
result.append(
createTriplePO(
REV.prefixed("text"),
createLanguageLiteral(review.getText(), ISO3166.language[review.getLanguage()])));
// bsbm:ratingX
Integer[] ratings = review.getRatings();
for (int i = 0, j = 1; i < ratings.length; i++, j++) {
Integer value = ratings[i];
if (value != null)
result.append(
createTriplePO(
BSBM.getRatingPrefix(j),
// createDataTypeLiteral(value.toString(),
// XSD.prefixed("integer"))
value.toString()));
}
// bsbm:reviewDate
GregorianCalendar reviewDate = new GregorianCalendar();
reviewDate.setTimeInMillis(review.getReviewDate());
String reviewDateString = DateGenerator.formatDateTime(reviewDate);
result.append(
createTriplePO(
BSBM.prefixed("reviewDate"),
createDataTypeLiteral(reviewDateString, XSD.prefixed("dateTime"))));
// dc:publisher
result.append(
createTriplePO(DC.prefixed("publisher"), RatingSite.getPrefixed(review.getPublisher())));
// dc:date
GregorianCalendar date = new GregorianCalendar();
date.setTimeInMillis(review.getPublishDate());
String dateString = DateGenerator.formatDate(date);
result.append(
createTriplePOEnd(
DC.prefixed("date"), createDataTypeLiteral(dateString, XSD.prefixed("date"))));
return result.toString();
}