private CommonRecord createCommonRecord(GenericRecord avroRecord) {
GenericFixed uuidFixed = (GenericFixed) avroRecord.get(UUID);
if (uuidFixed != null) {
UUID uuid = AvroGenericUtils.createUuidFromFixed(uuidFixed);
CommonRecord newRecord = commonFactory.createCommonRecord(uuid, avroRecord.getSchema());
records.put(uuid, newRecord);
return newRecord;
} else {
return commonFactory.createCommonRecord(avroRecord.getSchema());
}
}
private void processRecordField(
CommonRecord record, GenericRecord deltaRecord, String fieldName) {
CommonRecord nextRecord = null;
CommonValue nextValue = record.getField(fieldName);
if (nextValue != null
&& nextValue.isRecord()
&& nextValue
.getRecord()
.getSchema()
.getFullName()
.equals(deltaRecord.getSchema().getFullName())) {
nextRecord = nextValue.getRecord();
GenericFixed uuidFixed = (GenericFixed) deltaRecord.get(UUID);
if (uuidFixed != null) {
UUID uuid = AvroGenericUtils.createUuidFromFixed(uuidFixed);
// Checking if the uuid was changed
if (!uuid.equals(nextRecord.getUuid())) {
records.remove(nextRecord.getUuid());
records.put(uuid, nextRecord);
nextRecord.setUuid(uuid);
}
}
} else {
nextRecord = createCommonRecord(deltaRecord);
record.setField(fieldName, commonFactory.createCommonValue(nextRecord));
}
updateRecord(nextRecord, deltaRecord);
}
private void assertField(GenericRecord field) {
assertThat(field.get("name")).isInstanceOf(Utf8.class);
assertThat(field.get("name").toString()).isEqualTo(field.getSchema().getName());
assertThat(field.get("boost")).isEqualTo(2.3f);
assertThat(field.get("omitNorms")).isEqualTo(true);
assertThat(field.get("omitTermFreqAndPositions")).isEqualTo(true);
}
private void buildAttribute(Object element, LuceneWorksBuilder hydrator) {
if (element instanceof GenericRecord) {
GenericRecord record = (GenericRecord) element;
String name = record.getSchema().getName();
if ("TokenTrackingAttribute".equals(name)) {
@SuppressWarnings("unchecked")
List<Integer> positionList = (List<Integer>) record.get("positions");
hydrator.addTokenTrackingAttribute(positionList);
} else if ("CharTermAttribute".equals(name)) {
hydrator.addCharTermAttribute((CharSequence) record.get("sequence"));
} else if ("PayloadAttribute".equals(name)) {
hydrator.addPayloadAttribute(asByteArray(record, "payload"));
} else if ("KeywordAttribute".equals(name)) {
hydrator.addKeywordAttribute(asBoolean(record, "isKeyword"));
} else if ("PositionIncrementAttribute".equals(name)) {
hydrator.addPositionIncrementAttribute(asInt(record, "positionIncrement"));
} else if ("FlagsAttribute".equals(name)) {
hydrator.addFlagsAttribute(asInt(record, "flags"));
} else if ("TypeAttribute".equals(name)) {
hydrator.addTypeAttribute(asString(record, "type"));
} else if ("OffsetAttribute".equals(name)) {
hydrator.addOffsetAttribute(asInt(record, "startOffset"), asInt(record, "endOffset"));
} else {
throw log.unknownAttributeSerializedRepresentation(name);
}
} else if (element instanceof ByteBuffer) {
hydrator.addSerializedAttribute(asByteArray((ByteBuffer) element));
} else {
throw log.unknownAttributeSerializedRepresentation(element.getClass().getName());
}
}
@Override
public void deserialize(byte[] data, LuceneWorksBuilder hydrator) {
final ByteArrayInputStream inputStream = new ByteArrayInputStream(data);
final int majorVersion = inputStream.read();
final int minorVersion = inputStream.read();
final Protocol protocol = protocols.getProtocol(majorVersion, minorVersion);
Decoder decoder = DecoderFactory.get().binaryDecoder(inputStream, null);
GenericDatumReader<GenericRecord> reader =
new GenericDatumReader<>(protocol.getType("Message"));
GenericRecord result;
try {
result = reader.read(null, decoder);
} catch (IOException e) {
throw log.unableToDeserializeAvroStream(e);
}
classReferences = asListOfString(result, "classReferences");
final List<GenericRecord> operations = asListOfGenericRecords(result, "operations");
final ConversionContext conversionContext = new ContextualExceptionBridgeHelper();
for (GenericRecord operation : operations) {
String schema = operation.getSchema().getName();
if ("OptimizeAll".equals(schema)) {
hydrator.addOptimizeAll();
} else if ("PurgeAll".equals(schema)) {
hydrator.addPurgeAllLuceneWork(asClass(operation, "class"));
} else if ("Flush".equals(schema)) {
hydrator.addFlush();
} else if ("Delete".equals(schema)) {
processId(operation, hydrator);
hydrator.addDeleteLuceneWork(asClass(operation, "class"), conversionContext);
} else if ("DeleteByQuery".equals(schema)) {
String entityClassName = asClass(operation, "class");
int queryKey = asInt(operation, "key");
DeleteByQuerySupport.StringToQueryMapper mapper =
DeleteByQuerySupport.getStringToQueryMapper(queryKey);
List<Utf8> stringList = asListOfString(operation, "query");
String[] query = new String[stringList.size()];
for (int i = 0; i < stringList.size(); ++i) {
query[i] = stringList.get(i).toString();
}
hydrator.addDeleteByQueryLuceneWork(entityClassName, mapper.fromString(query));
} else if ("Add".equals(schema)) {
buildLuceneDocument(asGenericRecord(operation, "document"), hydrator);
Map<String, String> analyzers = getAnalyzers(operation);
processId(operation, hydrator);
hydrator.addAddLuceneWork(asClass(operation, "class"), analyzers, conversionContext);
} else if ("Update".equals(schema)) {
buildLuceneDocument(asGenericRecord(operation, "document"), hydrator);
Map<String, String> analyzers = getAnalyzers(operation);
processId(operation, hydrator);
hydrator.addUpdateLuceneWork(asClass(operation, "class"), analyzers, conversionContext);
} else {
throw log.cannotDeserializeOperation(schema);
}
}
}
private Value decodeValue(final Object generic) {
if (generic instanceof GenericRecord) {
final GenericRecord record = (GenericRecord) generic;
final Schema schema = record.getSchema();
if (schema.equals(Schemas.COMPRESSED_IDENTIFIER) || schema.equals(Schemas.PLAIN_IDENTIFIER)) {
return decodeIdentifier(record);
}
}
return decodeLiteral(generic);
}
private List<Map.Entry> previewAvroBatch(FileStatus fileStatus, int batchSize)
throws IOException, InterruptedException {
SeekableInput input = new FsInput(fileStatus.getPath(), hadoopConf);
DatumReader<GenericRecord> reader = new GenericDatumReader<>();
FileReader<GenericRecord> fileReader = DataFileReader.openReader(input, reader);
List<Map.Entry> batch = new ArrayList<>();
int count = 0;
while (fileReader.hasNext() && batch.size() < batchSize) {
GenericRecord datum = fileReader.next();
ByteArrayOutputStream out = new ByteArrayOutputStream();
DataFileWriter<GenericRecord> dataFileWriter =
new DataFileWriter<GenericRecord>(
new GenericDatumWriter<GenericRecord>(datum.getSchema()));
dataFileWriter.create(datum.getSchema(), out);
dataFileWriter.append(datum);
dataFileWriter.close();
out.close();
batch.add(new Pair(fileStatus.getPath().toUri().getPath() + "::" + count, out.toByteArray()));
count++;
}
return batch;
}
private Object decodeNode(final Object generic) {
if (generic instanceof GenericRecord) {
final GenericRecord record = (GenericRecord) generic;
final Schema schema = record.getSchema();
if (schema.equals(Schemas.RECORD)) {
return decodeRecord(record, null);
} else if (schema.equals(Schemas.PLAIN_IDENTIFIER)
|| schema.equals(Schemas.COMPRESSED_IDENTIFIER)) {
return decodeIdentifier(record);
} else if (schema.equals(Schemas.STATEMENT)) {
return decodeStatement(record);
}
}
return decodeLiteral(generic);
}
public void testWrite() throws IOException {
URL url = this.getClass().getClassLoader().getResource("input/Company.avsc");
assertNotNull(url);
Schema schema = new Schema.Parser().parse(new File(url.getFile()));
assertNotNull(schema);
DatumReader<GenericRecord> datumReader = new GenericDatumReader<GenericRecord>(schema);
// Another way of loading a file
File file = new File("src/test/resources/input/companies.avro");
DataFileReader<GenericRecord> dataFileReader =
new DataFileReader<GenericRecord>(file, datumReader);
File fileOut = new File("target/companies2.avro");
Schema schemaOut =
new Schema.Parser().parse(new File("src/test/resources/input/Company2.avsc"));
DatumWriter<GenericRecord> datumWriter = new GenericDatumWriter<GenericRecord>(schemaOut);
DataFileWriter<GenericRecord> dataFileWriter = new DataFileWriter<GenericRecord>(datumWriter);
GenericRecord company = null;
int count = 0;
while (dataFileReader.hasNext()) {
company = dataFileReader.next(company);
if (company.get("name").toString().equals("aol")) {
dataFileWriter.create(schemaOut, fileOut);
GenericRecord recordOut = new GenericData.Record(schemaOut);
recordOut.put("id", company.get("id"));
recordOut.put("name", company.get("name"));
assertTrue(recordOut.getSchema().getField("address") != null);
assertTrue(recordOut.getSchema().getField("employeeCount") == null);
// address is of complex type
GenericRecord address =
new GenericData.Record((GenericData.Record) company.get("address"), true);
recordOut.put("address", address);
dataFileWriter.append(recordOut);
count++;
}
}
assertTrue(count > 0);
dataFileWriter.close();
}
private Resource decodeIdentifier(final GenericRecord record) {
final Schema schema = record.getSchema();
if (schema.equals(Schemas.COMPRESSED_IDENTIFIER)) {
try {
return this.dictionary.objectFor((Integer) record.get(0));
} catch (final IOException ex) {
throw new IllegalStateException("Cannot access dictionary: " + ex.getMessage(), ex);
}
} else if (schema.equals(Schemas.PLAIN_IDENTIFIER)) {
final String string = record.get(0).toString();
if (string.startsWith("_:")) {
return this.factory.createBNode(string.substring(2));
} else {
return this.factory.createURI(string);
}
}
throw new IllegalArgumentException("Unsupported encoded identifier: " + record);
}
private Literal decodeLiteral(final Object generic) {
if (generic instanceof GenericRecord) {
final GenericRecord record = (GenericRecord) generic;
final Schema schema = record.getSchema();
if (schema.equals(Schemas.STRING_LANG)) {
final String label = record.get(0).toString(); // Utf8 class used
final Object language = record.get(1);
return this.factory.createLiteral(label, language.toString());
} else if (schema.equals(Schemas.SHORT)) {
return this.factory.createLiteral(((Integer) record.get(0)).shortValue());
} else if (schema.equals(Schemas.BYTE)) {
return this.factory.createLiteral(((Integer) record.get(0)).byteValue());
} else if (schema.equals(Schemas.BIGINTEGER)) {
return this.factory.createLiteral(record.get(0).toString(), XMLSchema.INTEGER);
} else if (schema.equals(Schemas.BIGDECIMAL)) {
return this.factory.createLiteral(record.get(0).toString(), XMLSchema.DECIMAL);
} else if (schema.equals(Schemas.CALENDAR)) {
final int tz = (Integer) record.get(0);
final GregorianCalendar calendar = new GregorianCalendar();
calendar.setTimeInMillis((Long) record.get(1));
calendar.setTimeZone(
TimeZone.getTimeZone(
String.format(
"GMT%s%02d:%02d", tz >= 0 ? "+" : "-", Math.abs(tz) / 60, Math.abs(tz) % 60)));
return this.factory.createLiteral(this.datatypeFactory.newXMLGregorianCalendar(calendar));
}
} else if (generic instanceof CharSequence) {
return this.factory.createLiteral(generic.toString()); // Utf8 class used
} else if (generic instanceof Boolean) {
return this.factory.createLiteral((Boolean) generic);
} else if (generic instanceof Long) {
return this.factory.createLiteral((Long) generic);
} else if (generic instanceof Integer) {
return this.factory.createLiteral((Integer) generic);
} else if (generic instanceof Double) {
return this.factory.createLiteral((Double) generic);
} else if (generic instanceof Float) {
return this.factory.createLiteral((Float) generic);
}
Preconditions.checkNotNull(generic);
throw new IllegalArgumentException("Unsupported generic data: " + generic);
}
/**
* Gives the output message
*
* @param outputType output data type
* @param result mapping result
* @return the output as a String
* @throws IOException
*/
public String getOutputMessage(String outputType, GenericRecord result)
throws SynapseException, IOException {
DatumWriter<GenericRecord> writer = null;
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
Encoder encoder = new DummyEncoder(byteArrayOutputStream);
// OMElement outMessage = null;
String outMessage = null;
try {
writer = WriterRegistry.getInstance().get(outputType).newInstance();
writer.setSchema(result.getSchema());
writer.write(result, encoder);
if (log.isDebugEnabled()) {
log.debug("Output received from datum writer.." + byteArrayOutputStream.toString());
}
} catch (Exception e) {
handleException("Data coversion Failed at JSONWriter..", e);
} finally {
encoder.flush();
}
/*try {
// Converts the result into an OMElement
outMessage = getOutputResult(byteArrayOutputStream.toString());
} catch (XMLStreamException e) {
handleException(
"Failed at generating the OMElement for the JSON output received...",
e);
}*/
outMessage = byteArrayOutputStream.toString();
return outMessage;
}
/**
* Describe <code>reduce</code> method here.
*
* @param object an <code>Object</code> value
* @param iterable an <code>Iterable</code> value
* @param context a <code>Reducer.Context</code> value
* @exception IOException if an error occurs
* @exception InterruptedException if an error occurs
*/
@Override
public final void reduce(Text key, Iterable<AvroValue<GenericRecord>> values, Context context)
throws IOException, InterruptedException {
GenericRecord output = new GenericData.Record(outputSchema);
for (AvroValue<GenericRecord> value : values) {
GenericRecord datum = value.datum();
for (Schema.Field field : datum.getSchema().getFields()) {
String fieldName = field.name();
Object fieldValue = datum.get(fieldName);
if (fieldValue != null) {
output.put(fieldName, fieldValue);
}
}
}
CharSequence psam = (CharSequence) output.get(PSAM);
CharSequence longitude = (CharSequence) output.get(LONGITUDE);
CharSequence latitude = (CharSequence) output.get(LATITUDE);
if (psam != null && longitude != null && latitude != null) {
context.write(new AvroKey<GenericRecord>(output), NullWritable.get());
}
}
private void updateRecord(CommonRecord record, GenericRecord delta) {
List<Field> deltaFields = delta.getSchema().getFields();
for (Field deltaField : deltaFields) {
String fieldName = deltaField.name();
Object rawDeltaField = delta.get(fieldName);
if (LOG.isDebugEnabled()) {
LOG.debug(
"Processing field \"{}\", current value: {}",
fieldName,
record.getField(fieldName) != null ? record.getField(fieldName).toString() : null);
}
if (AvroGenericUtils.isRecord(rawDeltaField)) {
processRecordField(record, (GenericRecord) rawDeltaField, fieldName);
} else if (AvroGenericUtils.isArray(rawDeltaField)) {
processArrayField(record, (GenericArray) rawDeltaField, fieldName);
} else if (AvroGenericUtils.isEnum(rawDeltaField)) {
processEnumField(record, (GenericEnumSymbol) rawDeltaField, fieldName);
} else if (AvroGenericUtils.isFixed(rawDeltaField)) {
processFixedField(record, (GenericFixed) rawDeltaField, fieldName);
} else {
record.setField(fieldName, commonFactory.createCommonValue(rawDeltaField));
}
}
}
/**
* @param dbUpdates The dbUpdates present in the current transaction
* @param ti The meta information about the transaction. (See TransactionInfo class for more
* details).
* @throws DatabusException
* @throws UnsupportedKeyException
*/
protected void addEventToBuffer(
List<TransactionState.PerSourceTransactionalUpdate> dbUpdates, TransactionInfo ti)
throws DatabusException, UnsupportedKeyException {
if (dbUpdates.size() == 0) throw new DatabusException("Cannot handle empty dbUpdates");
long scn = ti.getScn();
long timestamp = ti.getTransactionTimeStampNs();
EventSourceStatistics globalStats = getSource(GLOBAL_SOURCE_ID).getStatisticsBean();
/**
* We skip the start scn of the relay, we have already added a EOP for this SCN in the buffer.
* Why is this not a problem ? There are two cases: 1. When we use the earliest/latest scn if
* there is no maxScn (We don't really have a start point). So it's really OK to miss the first
* event. 2. If it's the maxSCN, then event was already seen by the relay.
*/
if (scn == _startPrevScn.get()) {
_log.info("Skipping this transaction, EOP already send for this event");
return;
}
getEventBuffer().startEvents();
int eventsInTransactionCount = 0;
List<EventReaderSummary> summaries = new ArrayList<EventReaderSummary>();
for (int i = 0; i < dbUpdates.size(); ++i) {
GenericRecord record = null;
TransactionState.PerSourceTransactionalUpdate perSourceUpdate = dbUpdates.get(i);
short sourceId = (short) perSourceUpdate.getSourceId();
// prepare stats collection per source
EventSourceStatistics perSourceStats = getSource(sourceId).getStatisticsBean();
Iterator<DbUpdateState.DBUpdateImage> dbUpdateIterator =
perSourceUpdate.getDbUpdatesSet().iterator();
int eventsInDbUpdate = 0;
long dbUpdatesEventsSize = 0;
long startDbUpdatesMs = System.currentTimeMillis();
while (dbUpdateIterator
.hasNext()) // TODO verify if there is any case where we need to rollback.
{
DbUpdateState.DBUpdateImage dbUpdate = dbUpdateIterator.next();
// Construct the Databus Event key, determine the key type and construct the key
Object keyObj = obtainKey(dbUpdate);
DbusEventKey eventKey = new DbusEventKey(keyObj);
// Get the logicalparition id
PartitionFunction partitionFunction = _partitionFunctionHashMap.get((int) sourceId);
short lPartitionId = partitionFunction.getPartition(eventKey);
record = dbUpdate.getGenericRecord();
// Write the event to the buffer
if (record == null)
throw new DatabusException("Cannot write event to buffer because record = " + record);
if (record.getSchema() == null)
throw new DatabusException("The record does not have a schema (null schema)");
try {
// Collect stats on number of dbUpdates for one source
eventsInDbUpdate++;
// Count of all the events in the current transaction
eventsInTransactionCount++;
// Serialize the row
ByteArrayOutputStream bos = new ByteArrayOutputStream();
Encoder encoder = new BinaryEncoder(bos);
GenericDatumWriter<GenericRecord> writer =
new GenericDatumWriter<GenericRecord>(record.getSchema());
writer.write(record, encoder);
byte[] serializedValue = bos.toByteArray();
// Get the md5 for the schema
SchemaId schemaId = SchemaId.createWithMd5(dbUpdate.getSchema());
// Determine the operation type and convert to dbus opcode
DbusOpcode opCode;
if (dbUpdate.getOpType() == DbUpdateState.DBUpdateImage.OpType.INSERT
|| dbUpdate.getOpType() == DbUpdateState.DBUpdateImage.OpType.UPDATE) {
opCode = DbusOpcode.UPSERT;
if (_log.isDebugEnabled())
_log.debug("The event with scn " + scn + " is INSERT/UPDATE");
} else if (dbUpdate.getOpType() == DbUpdateState.DBUpdateImage.OpType.DELETE) {
opCode = DbusOpcode.DELETE;
if (_log.isDebugEnabled()) _log.debug("The event with scn " + scn + " is DELETE");
} else {
throw new DatabusException("Unknown opcode from dbUpdate for event with scn:" + scn);
}
// Construct the dbusEvent info
DbusEventInfo dbusEventInfo =
new DbusEventInfo(
opCode,
scn,
(short) _pConfig.getId(),
lPartitionId,
timestamp,
sourceId,
schemaId.getByteArray(),
serializedValue,
false,
false);
dbusEventInfo.setReplicated(dbUpdate.isReplicated());
perSourceStats.addEventCycle(1, ti.getTransactionTimeRead(), serializedValue.length, scn);
globalStats.addEventCycle(1, ti.getTransactionTimeRead(), serializedValue.length, scn);
long tsEnd = System.currentTimeMillis();
perSourceStats.addTimeOfLastDBAccess(tsEnd);
globalStats.addTimeOfLastDBAccess(tsEnd);
// Append to the event buffer
getEventBuffer().appendEvent(eventKey, dbusEventInfo, _statsCollector);
_rc.incrementEventCount();
dbUpdatesEventsSize += serializedValue.length;
} catch (IOException io) {
perSourceStats.addError();
globalStats.addEmptyEventCycle();
_log.error("Cannot create byte stream payload: " + dbUpdates.get(i).getSourceId());
}
}
long endDbUpdatesMs = System.currentTimeMillis();
long dbUpdatesElapsedTimeMs = endDbUpdatesMs - startDbUpdatesMs;
// Log Event Summary at logical source level
EventReaderSummary summary =
new EventReaderSummary(
sourceId,
_monitoredSources.get(sourceId).getSourceName(),
scn,
eventsInDbUpdate,
dbUpdatesEventsSize,
-1L /* Not supported */,
dbUpdatesElapsedTimeMs,
timestamp,
timestamp,
-1L /* Not supported */);
if (_eventsLog.isInfoEnabled()) {
_eventsLog.info(summary.toString());
}
summaries.add(summary);
if (_log.isDebugEnabled())
_log.debug("There are " + eventsInDbUpdate + " events seen in the current dbUpdate");
}
// update stats
_ggParserStats.addTransactionInfo(ti, eventsInTransactionCount);
// Log Event Summary at Physical source level
ReadEventCycleSummary summary =
new ReadEventCycleSummary(
_pConfig.getName(),
summaries,
scn,
-1 /* Overall time including query time not calculated */);
if (_eventsLog.isInfoEnabled()) {
_eventsLog.info(summary.toString());
}
_log.info("Writing " + eventsInTransactionCount + " events from transaction with scn: " + scn);
if (scn <= 0)
throw new DatabusException(
"Unable to write events to buffer because of negative/zero scn: " + scn);
getEventBuffer().endEvents(scn, _statsCollector);
_scn.set(scn);
if (getMaxScnReaderWriter() != null) {
try {
getMaxScnReaderWriter().saveMaxScn(_scn.get());
} catch (DatabusException e) {
_log.error("Cannot save scn = " + _scn + " for physical source = " + getName(), e);
}
}
}
@Test
public void experimentWithAvro() throws Exception {
String root = "org/hibernate/search/remote/codex/avro/v1_1/";
parseSchema(root + "attribute/TokenTrackingAttribute.avro", "attribute/TokenTrackingAttribute");
parseSchema(root + "attribute/CharTermAttribute.avro", "attribute/CharTermAttribute");
parseSchema(root + "attribute/PayloadAttribute.avro", "attribute/PayloadAttribute");
parseSchema(root + "attribute/KeywordAttribute.avro", "attribute/KeywordAttribute");
parseSchema(
root + "attribute/PositionIncrementAttribute.avro", "attribute/PositionIncrementAttribute");
parseSchema(root + "attribute/FlagsAttribute.avro", "attribute/FlagsAttribute");
parseSchema(root + "attribute/TypeAttribute.avro", "attribute/TypeAttribute");
parseSchema(root + "attribute/OffsetAttribute.avro", "attribute/OffsetAttribute");
parseSchema(root + "field/TermVector.avro", "field/TermVector");
parseSchema(root + "field/Index.avro", "field/Index");
parseSchema(root + "field/Store.avro", "field/Store");
parseSchema(root + "field/TokenStreamField.avro", "field/TokenStreamField");
parseSchema(root + "field/ReaderField.avro", "field/ReaderField");
parseSchema(root + "field/StringField.avro", "field/StringField");
parseSchema(root + "field/BinaryField.avro", "field/BinaryField");
parseSchema(root + "field/NumericIntField.avro", "field/NumericIntField");
parseSchema(root + "field/NumericLongField.avro", "field/NumericLongField");
parseSchema(root + "field/NumericFloatField.avro", "field/NumericFloatField");
parseSchema(root + "field/NumericDoubleField.avro", "field/NumericDoubleField");
parseSchema(root + "field/CustomFieldable.avro", "field/CustomFieldable");
parseSchema(root + "Document.avro", "Document");
parseSchema(root + "operation/Id.avro", "operation/Id");
parseSchema(root + "operation/OptimizeAll.avro", "operation/OptimizeAll");
parseSchema(root + "operation/PurgeAll.avro", "operation/PurgeAll");
parseSchema(root + "operation/Flush.avro", "operation/Flush");
parseSchema(root + "operation/Delete.avro", "operation/Delete");
parseSchema(root + "operation/Add.avro", "operation/Add");
parseSchema(root + "operation/Update.avro", "operation/Update");
parseSchema(root + "Message.avro", "Message");
String filename = root + "Works.avpr";
Protocol protocol = parseProtocol(filename, "Works");
final Schema termVectorSchema = protocol.getType("TermVector");
final Schema indexSchema = protocol.getType("Index");
final Schema storeSchema = protocol.getType("Store");
final Schema tokenTrackingAttribute = protocol.getType("TokenTrackingAttribute");
final Schema tokenStreamSchema = protocol.getType("TokenStreamField");
final Schema readerSchema = protocol.getType("ReaderField");
final Schema stringSchema = protocol.getType("StringField");
final Schema binarySchema = protocol.getType("BinaryField");
final Schema intFieldSchema = protocol.getType("NumericIntField");
final Schema longFieldSchema = protocol.getType("NumericLongField");
final Schema floatFieldSchema = protocol.getType("NumericFloatField");
final Schema doubleFieldSchema = protocol.getType("NumericDoubleField");
final Schema custonFieldableSchema = protocol.getType("CustomFieldable");
final Schema documentSchema = protocol.getType("Document");
final Schema idSchema = protocol.getType("Id");
final Schema optimizeAllSchema = protocol.getType("OptimizeAll");
final Schema purgeAllSchema = protocol.getType("PurgeAll");
final Schema flushSchema = protocol.getType("Flush");
final Schema deleteSchema = protocol.getType("Delete");
final Schema addSchema = protocol.getType("Add");
final Schema updateSchema = protocol.getType("Update");
Schema messageSchema = protocol.getType("Message");
final ByteArrayOutputStream out = new ByteArrayOutputStream();
GenericDatumWriter<GenericRecord> writer = new GenericDatumWriter<GenericRecord>(messageSchema);
Encoder encoder = EncoderFactory.get().directBinaryEncoder(out, null);
byte[] serializableSample = new byte[10];
for (int i = 0; i < 10; i++) {
serializableSample[i] = (byte) i;
}
List<String> classReferences = new ArrayList<String>();
classReferences.add(AvroTest.class.getName());
List<GenericRecord> fieldables = new ArrayList<GenericRecord>(1);
// custom fieldable
GenericRecord customFieldable = new GenericData.Record(custonFieldableSchema);
customFieldable.put("instance", ByteBuffer.wrap(serializableSample));
fieldables.add(customFieldable);
// numeric fields
GenericRecord numericField = createNumeric(intFieldSchema);
numericField.put("value", 3);
fieldables.add(numericField);
numericField = createNumeric(longFieldSchema);
numericField.put("value", 3l);
fieldables.add(numericField);
numericField = createNumeric(floatFieldSchema);
numericField.put("value", 2.3f);
fieldables.add(numericField);
numericField = createNumeric(doubleFieldSchema);
numericField.put("value", 2.3d);
fieldables.add(numericField);
// fields
GenericRecord field = createField(binarySchema);
field.put("offset", 0);
field.put("length", 10);
field.put("value", ByteBuffer.wrap(serializableSample));
fieldables.add(field);
field = createField(stringSchema);
field.put("value", stringSchema.getName());
field.put("store", "YES");
field.put("index", "ANALYZED");
field.put("termVector", "WITH_OFFSETS");
fieldables.add(field);
field = createField(tokenStreamSchema);
List<List<Object>> tokens = new ArrayList<List<Object>>();
List<Object> attrs = new ArrayList<Object>();
tokens.add(attrs);
GenericData.Record attr = new GenericData.Record(tokenTrackingAttribute);
List<Integer> positions = new ArrayList<Integer>();
positions.add(1);
positions.add(2);
positions.add(3);
positions.add(4);
attr.put("positions", positions);
attrs.add(attr);
attrs.add(ByteBuffer.wrap(serializableSample));
field.put("value", tokens);
field.put("termVector", "WITH_OFFSETS");
fieldables.add(field);
field = createField(readerSchema);
field.put("value", ByteBuffer.wrap(serializableSample));
field.put("termVector", "WITH_OFFSETS");
fieldables.add(field);
GenericRecord doc = new GenericData.Record(documentSchema);
doc.put("boost", 2.3f);
doc.put("fieldables", fieldables);
GenericRecord add = new GenericData.Record(addSchema);
add.put("class", classReferences.indexOf(AvroTest.class.getName()));
GenericRecord id = new GenericData.Record(idSchema);
id.put("value", ByteBuffer.wrap(serializableSample));
add.put("id", id);
add.put("document", doc);
Map<String, String> analyzers = new HashMap<String, String>();
analyzers.put("name", "ngram");
analyzers.put("description", "porter");
add.put("fieldToAnalyzerMap", analyzers);
GenericRecord delete = new GenericData.Record(deleteSchema);
delete.put("class", classReferences.indexOf(AvroTest.class.getName()));
id = new GenericData.Record(idSchema);
id.put("value", new Long(30));
delete.put("id", id);
GenericRecord purgeAll = new GenericData.Record(purgeAllSchema);
purgeAll.put("class", classReferences.indexOf(AvroTest.class.getName()));
GenericRecord optimizeAll = new GenericData.Record(optimizeAllSchema);
GenericRecord flush = new GenericData.Record(flushSchema);
List<GenericRecord> operations = new ArrayList<GenericRecord>(1);
operations.add(purgeAll);
operations.add(optimizeAll);
operations.add(flush);
operations.add(delete);
operations.add(add);
GenericRecord message = new GenericData.Record(messageSchema);
message.put("classReferences", classReferences);
message.put("operations", operations);
writer.write(message, encoder);
encoder.flush();
ByteArrayInputStream inputStream = new ByteArrayInputStream(out.toByteArray());
Decoder decoder = DecoderFactory.get().binaryDecoder(inputStream, null);
GenericDatumReader<GenericRecord> reader = new GenericDatumReader<GenericRecord>(messageSchema);
while (true) {
try {
GenericRecord result = reader.read(null, decoder);
System.out.println(result);
assertThat(result).isNotNull();
// operations
assertThat(result.get("operations")).isNotNull().isInstanceOf(List.class);
List<?> ops = (List<?>) result.get("operations");
assertThat(ops).hasSize(5);
// Flush
assertThat(ops.get(2)).isInstanceOf(GenericRecord.class);
GenericRecord flushOp = (GenericRecord) ops.get(2);
assertThat(flushOp.getSchema().getName()).isEqualTo("Flush");
// Delete
assertThat(ops.get(3)).isInstanceOf(GenericRecord.class);
GenericRecord deleteOp = (GenericRecord) ops.get(3);
assertThat(deleteOp.getSchema().getName()).isEqualTo("Delete");
Object actual = ((GenericRecord) deleteOp.get("id")).get("value");
assertThat(actual).isInstanceOf(Long.class);
assertThat(actual).isEqualTo(Long.valueOf(30));
// Add
assertThat(ops.get(4)).isInstanceOf(GenericRecord.class);
GenericRecord addOp = (GenericRecord) ops.get(4);
assertThat(addOp.getSchema().getName()).isEqualTo("Add");
actual = ((GenericRecord) addOp.get("id")).get("value");
assertThat(actual).isInstanceOf(ByteBuffer.class);
ByteBuffer bb = (ByteBuffer) actual;
assertThat(bb.hasArray()).isTrue();
byte[] copy = new byte[bb.remaining()];
bb.get(copy);
assertThat(serializableSample).isEqualTo(copy);
// fieldToAnalyzerMap
assertThat(addOp.get("fieldToAnalyzerMap")).isInstanceOf(Map.class);
assertThat((Map) addOp.get("fieldToAnalyzerMap")).hasSize(2);
// document
assertThat(addOp.get("document")).isNotNull();
GenericRecord document = (GenericRecord) addOp.get("document");
assertThat(document.get("boost")).isEqualTo(2.3f);
// numeric fields
assertThat(document.get("fieldables")).isNotNull().isInstanceOf(List.class);
List<?> fields = (List<?>) document.get("fieldables");
assertThat(fields).hasSize(9); // custom + 4 numerics + 4 fields
field = (GenericRecord) fields.get(0);
assertThat(field.getSchema().getName()).isEqualTo("CustomFieldable");
field = (GenericRecord) fields.get(1);
assertThat(field.getSchema().getName()).isEqualTo("NumericIntField");
assertThat(field.get("value")).isEqualTo(3);
assertNumericField(field);
field = (GenericRecord) fields.get(2);
assertThat(field.getSchema().getName()).isEqualTo("NumericLongField");
assertThat(field.get("value")).isEqualTo(3l);
assertNumericField(field);
field = (GenericRecord) fields.get(3);
assertThat(field.getSchema().getName()).isEqualTo("NumericFloatField");
assertThat(field.get("value")).isEqualTo(2.3f);
assertNumericField(field);
field = (GenericRecord) fields.get(4);
assertThat(field.getSchema().getName()).isEqualTo("NumericDoubleField");
assertThat(field.get("value")).isEqualTo(2.3d);
assertNumericField(field);
// fields
field = (GenericRecord) fields.get(5);
assertThat(field.getSchema().getName()).isEqualTo("BinaryField");
assertThat(field.get("value")).isInstanceOf(ByteBuffer.class);
assertField(field);
field = (GenericRecord) fields.get(6);
assertThat(field.getSchema().getName()).isEqualTo("StringField");
assertThat(field.get("value")).isInstanceOf(Utf8.class);
assertTermVector(field);
assertIndexAndStore(field);
assertField(field);
field = (GenericRecord) fields.get(7);
assertThat(field.getSchema().getName()).isEqualTo("TokenStreamField");
assertThat(field.get("value")).isInstanceOf(List.class);
List<List<Object>> l1 = (List<List<Object>>) field.get("value");
assertThat(l1.get(0)).as("Wrong attribute impl list").hasSize(2);
Object object = l1.get(0).get(0);
assertThat(object).isNotNull();
assertTermVector(field);
assertField(field);
field = (GenericRecord) fields.get(8);
assertThat(field.getSchema().getName()).isEqualTo("ReaderField");
assertThat(field.get("value")).isInstanceOf(ByteBuffer.class);
assertTermVector(field);
assertField(field);
} catch (EOFException eof) {
break;
} catch (Exception ex) {
ex.printStackTrace();
throw ex;
}
}
}
private void buildLuceneDocument(GenericRecord document, LuceneWorksBuilder hydrator) {
hydrator.defineDocument();
List<GenericRecord> fieldables = asListOfGenericRecords(document, "fieldables");
for (GenericRecord field : fieldables) {
String schema = field.getSchema().getName();
if ("CustomFieldable".equals(schema)) {
hydrator.addFieldable(asByteArray(field, "instance"));
} else if ("NumericIntField".equals(schema)) {
hydrator.addIntNumericField(
asInt(field, "value"),
asString(field, "name"),
asInt(field, "precisionStep"),
asStore(field),
asBoolean(field, "indexed"),
asFloat(field, "boost"),
asBoolean(field, "omitNorms"),
asBoolean(field, "omitTermFreqAndPositions"));
} else if ("NumericFloatField".equals(schema)) {
hydrator.addFloatNumericField(
asFloat(field, "value"),
asString(field, "name"),
asInt(field, "precisionStep"),
asStore(field),
asBoolean(field, "indexed"),
asFloat(field, "boost"),
asBoolean(field, "omitNorms"),
asBoolean(field, "omitTermFreqAndPositions"));
} else if ("NumericLongField".equals(schema)) {
hydrator.addLongNumericField(
asLong(field, "value"),
asString(field, "name"),
asInt(field, "precisionStep"),
asStore(field),
asBoolean(field, "indexed"),
asFloat(field, "boost"),
asBoolean(field, "omitNorms"),
asBoolean(field, "omitTermFreqAndPositions"));
} else if ("NumericDoubleField".equals(schema)) {
hydrator.addDoubleNumericField(
asDouble(field, "value"),
asString(field, "name"),
asInt(field, "precisionStep"),
asStore(field),
asBoolean(field, "indexed"),
asFloat(field, "boost"),
asBoolean(field, "omitNorms"),
asBoolean(field, "omitTermFreqAndPositions"));
} else if ("BinaryField".equals(schema)) {
hydrator.addFieldWithBinaryData(
asString(field, "name"),
asByteArray(field, "value"),
asInt(field, "offset"),
asInt(field, "length"));
} else if ("StringField".equals(schema)) {
hydrator.addFieldWithStringData(
asString(field, "name"),
asString(field, "value"),
asStore(field),
asIndex(field),
asTermVector(field),
asFloat(field, "boost"),
asBoolean(field, "omitNorms"),
asBoolean(field, "omitTermFreqAndPositions"));
} else if ("TokenStreamField".equals(schema)) {
buildAttributes(field, "value", hydrator);
hydrator.addFieldWithTokenStreamData(
asString(field, "name"),
asTermVector(field),
asFloat(field, "boost"),
asBoolean(field, "omitNorms"),
asBoolean(field, "omitTermFreqAndPositions"));
} else if ("ReaderField".equals(schema)) {
hydrator.addFieldWithSerializableReaderData(
asString(field, "name"),
asByteArray(field, "value"),
asTermVector(field),
asFloat(field, "boost"),
asBoolean(field, "omitNorms"),
asBoolean(field, "omitTermFreqAndPositions"));
} else if ("BinaryDocValuesField".equals(schema)) {
hydrator.addDocValuesFieldWithBinaryData(
asString(field, "name"),
asString(field, "type"),
asByteArray(field, "value"),
asInt(field, "offset"),
asInt(field, "length"));
} else if ("NumericDocValuesField".equals(schema)) {
hydrator.addDocValuesFieldWithNumericData(
asString(field, "name"), asString(field, "type"), asLong(field, "value"));
} else {
throw log.cannotDeserializeField(schema);
}
}
}