@SuppressWarnings("unchecked")
private Record decodeRecord(
final GenericRecord generic, @Nullable final Set<URI> propertiesToDecode) {
final Record record = Record.create();
final GenericRecord encodedID = (GenericRecord) generic.get(0);
if (encodedID != null) {
record.setID((URI) decodeIdentifier(encodedID));
}
for (final GenericRecord prop : (Iterable<GenericRecord>) generic.get(1)) {
final URI property = (URI) decodeIdentifier((GenericRecord) prop.get(0));
final List<Object> values = decodeNodes(prop.get(1));
if (propertiesToDecode == null || propertiesToDecode.contains(property)) {
record.set(property, values);
}
}
return record;
}
private Object encodeRecord(final Record record, @Nullable final Set<URI> propertiesToEncode) {
final URI id = record.getID();
final Object encodedID = id == null ? null : encodeIdentifier(id);
final List<Object> props = Lists.newArrayList();
for (final URI property : record.getProperties()) {
if (propertiesToEncode == null || propertiesToEncode.contains(property)) {
ensureInDictionary(property);
final List<? extends Object> nodes = record.get(property);
if (property.equals(RDF.TYPE)) {
for (final Object value : nodes) {
if (value instanceof URI) {
ensureInDictionary((URI) value);
}
}
}
final GenericData.Record prop = new GenericData.Record(Schemas.PROPERTY);
prop.put("propertyURI", encodeIdentifier(property));
prop.put("propertyValue", encodeNodes(nodes));
props.add(prop);
}
}
return SerializerAvro.newGenericRecord(Schemas.RECORD, encodedID, props);
}