@SuppressWarnings("unchecked")
public void writePropertyTypeRecord(String name, String value, DataOutput out)
throws HyracksDataException {
IARecordBuilder propertyRecordBuilder = new RecordBuilder();
ArrayBackedValueStorage fieldValue = new ArrayBackedValueStorage();
propertyRecordBuilder.reset(MetadataRecordTypes.FEED_ADAPTER_CONFIGURATION_RECORDTYPE);
AMutableString aString = new AMutableString("");
ISerializerDeserializer<AString> stringSerde =
AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ASTRING);
// write field 0
fieldValue.reset();
aString.setValue(name);
stringSerde.serialize(aString, fieldValue.getDataOutput());
propertyRecordBuilder.addField(0, fieldValue);
// write field 1
fieldValue.reset();
aString.setValue(value);
stringSerde.serialize(aString, fieldValue.getDataOutput());
propertyRecordBuilder.addField(1, fieldValue);
try {
propertyRecordBuilder.write(out, true);
} catch (IOException | AsterixException e) {
throw new HyracksDataException(e);
}
}
@Override
protected void setSecondaryRecDescAndComparators(
CompiledCreateIndexStatement createIndexStmt, AqlMetadataProvider metadata)
throws AlgebricksException, AsterixException {
List<String> secondaryKeyFields = createIndexStmt.getKeyFields();
int numSecondaryKeys = secondaryKeyFields.size();
if (numSecondaryKeys != 1) {
throw new AsterixException(
"Cannot use "
+ numSecondaryKeys
+ " fields as a key for the R-tree index. There can be only one field as a key for the R-tree index.");
}
Pair<IAType, Boolean> spatialTypePair =
Index.getNonNullableKeyFieldType(secondaryKeyFields.get(0), itemType);
IAType spatialType = spatialTypePair.first;
anySecondaryKeyIsNullable = spatialTypePair.second;
if (spatialType == null) {
throw new AsterixException(
"Could not find field " + secondaryKeyFields.get(0) + " in the schema.");
}
int numDimensions = NonTaggedFormatUtil.getNumDimensions(spatialType.getTypeTag());
numNestedSecondaryKeyFields = numDimensions * 2;
secondaryFieldAccessEvalFactories =
metadata
.getFormat()
.createMBRFactory(itemType, secondaryKeyFields.get(0), numPrimaryKeys, numDimensions);
secondaryComparatorFactories = new IBinaryComparatorFactory[numNestedSecondaryKeyFields];
valueProviderFactories = new IPrimitiveValueProviderFactory[numNestedSecondaryKeyFields];
ISerializerDeserializer[] secondaryRecFields =
new ISerializerDeserializer[numPrimaryKeys + numNestedSecondaryKeyFields];
ITypeTraits[] secondaryTypeTraits =
new ITypeTraits[numNestedSecondaryKeyFields + numPrimaryKeys];
IAType nestedKeyType = NonTaggedFormatUtil.getNestedSpatialType(spatialType.getTypeTag());
keyType = nestedKeyType.getTypeTag();
for (int i = 0; i < numNestedSecondaryKeyFields; i++) {
ISerializerDeserializer keySerde =
AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(nestedKeyType);
secondaryRecFields[i] = keySerde;
secondaryComparatorFactories[i] =
AqlBinaryComparatorFactoryProvider.INSTANCE.getBinaryComparatorFactory(
nestedKeyType, true);
secondaryTypeTraits[i] = AqlTypeTraitProvider.INSTANCE.getTypeTrait(nestedKeyType);
valueProviderFactories[i] = AqlPrimitiveValueProviderFactory.INSTANCE;
}
// Add serializers and comparators for primary index fields.
for (int i = 0; i < numPrimaryKeys; i++) {
secondaryRecFields[numNestedSecondaryKeyFields + i] = primaryRecDesc.getFields()[i];
secondaryTypeTraits[numNestedSecondaryKeyFields + i] = primaryRecDesc.getTypeTraits()[i];
}
secondaryRecDesc = new RecordDescriptor(secondaryRecFields, secondaryTypeTraits);
}
/** Translates a Function metadata entity to an ITupleReference and vice versa. */
public class FunctionTupleTranslator extends AbstractTupleTranslator<Function> {
// Field indexes of serialized Function in a tuple.
// First key field.
public static final int FUNCTION_DATAVERSENAME_TUPLE_FIELD_INDEX = 0;
// Second key field.
public static final int FUNCTION_FUNCTIONNAME_TUPLE_FIELD_INDEX = 1;
// Third key field.
public static final int FUNCTION_FUNCTIONARITY_TUPLE_FIELD_INDEX = 2;
// Payload field containing serialized Function.
public static final int FUNCTION_PAYLOAD_TUPLE_FIELD_INDEX = 3;
@SuppressWarnings("unchecked")
private ISerializerDeserializer<ARecord> recordSerDes =
AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(
MetadataRecordTypes.FUNCTION_RECORDTYPE);
public FunctionTupleTranslator(boolean getTuple) {
super(getTuple, MetadataPrimaryIndexes.FUNCTION_DATASET.getFieldCount());
}
@Override
public Function getMetadataEntityFromTuple(ITupleReference frameTuple) throws IOException {
byte[] serRecord = frameTuple.getFieldData(FUNCTION_PAYLOAD_TUPLE_FIELD_INDEX);
int recordStartOffset = frameTuple.getFieldStart(FUNCTION_PAYLOAD_TUPLE_FIELD_INDEX);
int recordLength = frameTuple.getFieldLength(FUNCTION_PAYLOAD_TUPLE_FIELD_INDEX);
ByteArrayInputStream stream =
new ByteArrayInputStream(serRecord, recordStartOffset, recordLength);
DataInput in = new DataInputStream(stream);
ARecord functionRecord = (ARecord) recordSerDes.deserialize(in);
return createFunctionFromARecord(functionRecord);
}
private Function createFunctionFromARecord(ARecord functionRecord) {
String dataverseName =
((AString)
functionRecord.getValueByPos(
MetadataRecordTypes.FUNCTION_ARECORD_DATAVERSENAME_FIELD_INDEX))
.getStringValue();
String functionName =
((AString)
functionRecord.getValueByPos(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTIONNAME_FIELD_INDEX))
.getStringValue();
String arity =
((AString)
functionRecord.getValueByPos(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_ARITY_FIELD_INDEX))
.getStringValue();
IACursor cursor =
((AOrderedList)
functionRecord.getValueByPos(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_PARAM_LIST_FIELD_INDEX))
.getCursor();
List<String> params = new ArrayList<String>();
while (cursor.next()) {
params.add(((AString) cursor.get()).getStringValue());
}
String returnType =
((AString)
functionRecord.getValueByPos(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_RETURN_TYPE_FIELD_INDEX))
.getStringValue();
String definition =
((AString)
functionRecord.getValueByPos(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_DEFINITION_FIELD_INDEX))
.getStringValue();
String language =
((AString)
functionRecord.getValueByPos(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_LANGUAGE_FIELD_INDEX))
.getStringValue();
String functionKind =
((AString)
functionRecord.getValueByPos(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_KIND_FIELD_INDEX))
.getStringValue();
return new Function(
dataverseName,
functionName,
Integer.parseInt(arity),
params,
returnType,
definition,
language,
functionKind);
}
@Override
public ITupleReference getTupleFromMetadataEntity(Function function)
throws IOException, MetadataException {
// write the key in the first 2 fields of the tuple
tupleBuilder.reset();
aString.setValue(function.getDataverseName());
stringSerde.serialize(aString, tupleBuilder.getDataOutput());
tupleBuilder.addFieldEndOffset();
aString.setValue(function.getName());
stringSerde.serialize(aString, tupleBuilder.getDataOutput());
tupleBuilder.addFieldEndOffset();
aString.setValue(function.getArity() + "");
stringSerde.serialize(aString, tupleBuilder.getDataOutput());
tupleBuilder.addFieldEndOffset();
// write the pay-load in the fourth field of the tuple
recordBuilder.reset(MetadataRecordTypes.FUNCTION_RECORDTYPE);
// write field 0
fieldValue.reset();
aString.setValue(function.getDataverseName());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(
MetadataRecordTypes.FUNCTION_ARECORD_DATAVERSENAME_FIELD_INDEX, fieldValue);
// write field 1
fieldValue.reset();
aString.setValue(function.getName());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTIONNAME_FIELD_INDEX, fieldValue);
// write field 2
fieldValue.reset();
aString.setValue(function.getArity() + "");
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_ARITY_FIELD_INDEX, fieldValue);
// write field 3
OrderedListBuilder listBuilder = new OrderedListBuilder();
ArrayBackedValueStorage itemValue = new ArrayBackedValueStorage();
listBuilder.reset(
(AOrderedListType)
MetadataRecordTypes.FUNCTION_RECORDTYPE
.getFieldTypes()[
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_PARAM_LIST_FIELD_INDEX]);
for (String param : function.getParams()) {
itemValue.reset();
aString.setValue(param);
stringSerde.serialize(aString, itemValue.getDataOutput());
listBuilder.addItem(itemValue);
}
fieldValue.reset();
listBuilder.write(fieldValue.getDataOutput(), true);
recordBuilder.addField(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_PARAM_LIST_FIELD_INDEX, fieldValue);
// write field 4
fieldValue.reset();
aString.setValue(function.getReturnType());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_RETURN_TYPE_FIELD_INDEX, fieldValue);
// write field 5
fieldValue.reset();
aString.setValue(function.getFunctionBody());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_DEFINITION_FIELD_INDEX, fieldValue);
// write field 6
fieldValue.reset();
aString.setValue(function.getLanguage());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_LANGUAGE_FIELD_INDEX, fieldValue);
// write field 7
fieldValue.reset();
aString.setValue(function.getKind());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(
MetadataRecordTypes.FUNCTION_ARECORD_FUNCTION_KIND_FIELD_INDEX, fieldValue);
// write record
try {
recordBuilder.write(tupleBuilder.getDataOutput(), true);
} catch (AsterixException e) {
throw new MetadataException(e);
}
tupleBuilder.addFieldEndOffset();
tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray());
return tuple;
}
}
/** Translates a Feed metadata entity to an ITupleReference and vice versa. */
public class FeedTupleTranslator extends AbstractTupleTranslator<Feed> {
// Field indexes of serialized Feed in a tuple.
// Key field.
public static final int FEED_DATAVERSE_NAME_FIELD_INDEX = 0;
public static final int FEED_NAME_FIELD_INDEX = 1;
// Payload field containing serialized feed.
public static final int FEED_PAYLOAD_TUPLE_FIELD_INDEX = 2;
@SuppressWarnings("unchecked")
private ISerializerDeserializer<ARecord> recordSerDes =
AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(
MetadataRecordTypes.FEED_RECORDTYPE);
public FeedTupleTranslator(boolean getTuple) {
super(getTuple, MetadataPrimaryIndexes.FEED_DATASET.getFieldCount());
}
@Override
public Feed getMetadataEntityFromTuple(ITupleReference frameTuple) throws IOException {
byte[] serRecord = frameTuple.getFieldData(FEED_PAYLOAD_TUPLE_FIELD_INDEX);
int recordStartOffset = frameTuple.getFieldStart(FEED_PAYLOAD_TUPLE_FIELD_INDEX);
int recordLength = frameTuple.getFieldLength(FEED_PAYLOAD_TUPLE_FIELD_INDEX);
ByteArrayInputStream stream =
new ByteArrayInputStream(serRecord, recordStartOffset, recordLength);
DataInput in = new DataInputStream(stream);
ARecord feedRecord = (ARecord) recordSerDes.deserialize(in);
return createFeedFromARecord(feedRecord);
}
private Feed createFeedFromARecord(ARecord feedRecord) {
Feed feed = null;
String dataverseName =
((AString)
feedRecord.getValueByPos(
MetadataRecordTypes.FEED_ARECORD_DATAVERSE_NAME_FIELD_INDEX))
.getStringValue();
String feedName =
((AString) feedRecord.getValueByPos(MetadataRecordTypes.FEED_ARECORD_FEED_NAME_FIELD_INDEX))
.getStringValue();
Object o = feedRecord.getValueByPos(MetadataRecordTypes.FEED_ARECORD_FUNCTION_FIELD_INDEX);
FunctionSignature signature = null;
if (!(o instanceof ANull)) {
String functionName = ((AString) o).getStringValue();
signature = new FunctionSignature(dataverseName, functionName, 1);
}
String feedType =
((AString) feedRecord.getValueByPos(MetadataRecordTypes.FEED_ARECORD_FEED_TYPE_FIELD_INDEX))
.getStringValue();
FeedType feedTypeEnum = FeedType.valueOf(feedType.toUpperCase());
switch (feedTypeEnum) {
case PRIMARY:
{
ARecord feedTypeDetailsRecord =
(ARecord)
feedRecord.getValueByPos(
MetadataRecordTypes.FEED_ARECORD_PRIMARY_TYPE_DETAILS_FIELD_INDEX);
String adapterName =
((AString)
feedTypeDetailsRecord.getValueByPos(
MetadataRecordTypes
.FEED_ARECORD_PRIMARY_FIELD_DETAILS_ADAPTOR_NAME_FIELD_INDEX))
.getStringValue();
IACursor cursor =
((AUnorderedList)
feedTypeDetailsRecord.getValueByPos(
MetadataRecordTypes
.FEED_ARECORD_PRIMARY_FIELD_DETAILS_ADAPTOR_CONFIGURATION_FIELD_INDEX))
.getCursor();
String key;
String value;
Map<String, String> adaptorConfiguration = new HashMap<String, String>();
while (cursor.next()) {
ARecord field = (ARecord) cursor.get();
key =
((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_NAME_FIELD_INDEX))
.getStringValue();
value =
((AString) field.getValueByPos(MetadataRecordTypes.PROPERTIES_VALUE_FIELD_INDEX))
.getStringValue();
adaptorConfiguration.put(key, value);
}
feed =
new PrimaryFeed(
dataverseName, feedName, adapterName, adaptorConfiguration, signature);
}
break;
case SECONDARY:
{
ARecord feedTypeDetailsRecord =
(ARecord)
feedRecord.getValueByPos(
MetadataRecordTypes.FEED_ARECORD_SECONDARY_TYPE_DETAILS_FIELD_INDEX);
String sourceFeedName =
((AString)
feedTypeDetailsRecord.getValueByPos(
MetadataRecordTypes
.FEED_TYPE_SECONDARY_ARECORD_SOURCE_FEED_NAME_FIELD_INDEX))
.getStringValue();
feed = new SecondaryFeed(dataverseName, feedName, sourceFeedName, signature);
}
break;
}
return feed;
}
@Override
public ITupleReference getTupleFromMetadataEntity(Feed feed)
throws IOException, MetadataException {
// write the key in the first two fields of the tuple
tupleBuilder.reset();
aString.setValue(feed.getDataverseName());
stringSerde.serialize(aString, tupleBuilder.getDataOutput());
tupleBuilder.addFieldEndOffset();
aString.setValue(feed.getFeedName());
stringSerde.serialize(aString, tupleBuilder.getDataOutput());
tupleBuilder.addFieldEndOffset();
recordBuilder.reset(MetadataRecordTypes.FEED_RECORDTYPE);
// write field 0
fieldValue.reset();
aString.setValue(feed.getDataverseName());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(MetadataRecordTypes.FEED_ARECORD_DATAVERSE_NAME_FIELD_INDEX, fieldValue);
// write field 1
fieldValue.reset();
aString.setValue(feed.getFeedName());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(MetadataRecordTypes.FEED_ARECORD_FEED_NAME_FIELD_INDEX, fieldValue);
// write field 2
fieldValue.reset();
if (feed.getAppliedFunction() != null) {
aString.setValue(feed.getAppliedFunction().getName());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(MetadataRecordTypes.FEED_ARECORD_FUNCTION_FIELD_INDEX, fieldValue);
}
// write field 3
fieldValue.reset();
aString.setValue(feed.getFeedType().name().toUpperCase());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(MetadataRecordTypes.FEED_ARECORD_FEED_TYPE_FIELD_INDEX, fieldValue);
// write field 4/5
fieldValue.reset();
writeFeedTypeDetailsRecordType(recordBuilder, feed, fieldValue);
// write field 6
fieldValue.reset();
aString.setValue(Calendar.getInstance().getTime().toString());
stringSerde.serialize(aString, fieldValue.getDataOutput());
recordBuilder.addField(MetadataRecordTypes.FEED_ARECORD_TIMESTAMP_FIELD_INDEX, fieldValue);
// write record
try {
recordBuilder.write(tupleBuilder.getDataOutput(), true);
} catch (AsterixException e) {
throw new MetadataException(e);
}
tupleBuilder.addFieldEndOffset();
tuple.reset(tupleBuilder.getFieldEndOffsets(), tupleBuilder.getByteArray());
return tuple;
}
@SuppressWarnings("unchecked")
private void writeFeedTypeDetailsRecordType(
IARecordBuilder recordBuilder, Feed feed, ArrayBackedValueStorage fieldValue)
throws HyracksDataException {
switch (feed.getFeedType()) {
case PRIMARY:
{
PrimaryFeed primaryFeed = (PrimaryFeed) feed;
IARecordBuilder primaryDetailsRecordBuilder = new RecordBuilder();
OrderedListBuilder listBuilder = new OrderedListBuilder();
ArrayBackedValueStorage primaryRecordfieldValue = new ArrayBackedValueStorage();
ArrayBackedValueStorage primaryRecordItemValue = new ArrayBackedValueStorage();
primaryDetailsRecordBuilder.reset(MetadataRecordTypes.PRIMARY_FEED_DETAILS_RECORDTYPE);
AMutableString aString = new AMutableString("");
ISerializerDeserializer<AString> stringSerde =
AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(
BuiltinType.ASTRING);
// write field 0
fieldValue.reset();
aString.setValue(primaryFeed.getAdaptorName());
stringSerde.serialize(aString, primaryRecordfieldValue.getDataOutput());
primaryDetailsRecordBuilder.addField(
MetadataRecordTypes.FEED_ARECORD_PRIMARY_FIELD_DETAILS_ADAPTOR_NAME_FIELD_INDEX,
primaryRecordfieldValue);
// write field 1
listBuilder.reset(
(AUnorderedListType)
MetadataRecordTypes.PRIMARY_FEED_DETAILS_RECORDTYPE
.getFieldTypes()[
MetadataRecordTypes
.FEED_ARECORD_PRIMARY_FIELD_DETAILS_ADAPTOR_CONFIGURATION_FIELD_INDEX]);
for (Map.Entry<String, String> property :
primaryFeed.getAdaptorConfiguration().entrySet()) {
String name = property.getKey();
String value = property.getValue();
primaryRecordItemValue.reset();
writePropertyTypeRecord(name, value, primaryRecordItemValue.getDataOutput());
listBuilder.addItem(primaryRecordItemValue);
}
primaryRecordfieldValue.reset();
listBuilder.write(primaryRecordfieldValue.getDataOutput(), true);
primaryDetailsRecordBuilder.addField(
MetadataRecordTypes
.FEED_ARECORD_PRIMARY_FIELD_DETAILS_ADAPTOR_CONFIGURATION_FIELD_INDEX,
primaryRecordfieldValue);
try {
primaryDetailsRecordBuilder.write(fieldValue.getDataOutput(), true);
} catch (IOException | AsterixException e) {
throw new HyracksDataException(e);
}
recordBuilder.addField(
MetadataRecordTypes.FEED_ARECORD_PRIMARY_TYPE_DETAILS_FIELD_INDEX, fieldValue);
}
break;
case SECONDARY:
SecondaryFeed secondaryFeed = (SecondaryFeed) feed;
IARecordBuilder secondaryDetailsRecordBuilder = new RecordBuilder();
ArrayBackedValueStorage secondaryFieldValue = new ArrayBackedValueStorage();
secondaryDetailsRecordBuilder.reset(MetadataRecordTypes.SECONDARY_FEED_DETAILS_RECORDTYPE);
// write field 0
fieldValue.reset();
aString.setValue(secondaryFeed.getSourceFeedName());
stringSerde.serialize(aString, secondaryFieldValue.getDataOutput());
secondaryDetailsRecordBuilder.addField(
MetadataRecordTypes.FEED_ARECORD_SECONDARY_FIELD_DETAILS_SOURCE_FEED_NAME_FIELD_INDEX,
secondaryFieldValue);
try {
secondaryDetailsRecordBuilder.write(fieldValue.getDataOutput(), true);
} catch (IOException | AsterixException e) {
throw new HyracksDataException(e);
}
recordBuilder.addField(
MetadataRecordTypes.FEED_ARECORD_SECONDARY_TYPE_DETAILS_FIELD_INDEX, fieldValue);
break;
}
}
@SuppressWarnings("unchecked")
public void writePropertyTypeRecord(String name, String value, DataOutput out)
throws HyracksDataException {
IARecordBuilder propertyRecordBuilder = new RecordBuilder();
ArrayBackedValueStorage fieldValue = new ArrayBackedValueStorage();
propertyRecordBuilder.reset(MetadataRecordTypes.FEED_ADAPTER_CONFIGURATION_RECORDTYPE);
AMutableString aString = new AMutableString("");
ISerializerDeserializer<AString> stringSerde =
AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.ASTRING);
// write field 0
fieldValue.reset();
aString.setValue(name);
stringSerde.serialize(aString, fieldValue.getDataOutput());
propertyRecordBuilder.addField(0, fieldValue);
// write field 1
fieldValue.reset();
aString.setValue(value);
stringSerde.serialize(aString, fieldValue.getDataOutput());
propertyRecordBuilder.addField(1, fieldValue);
try {
propertyRecordBuilder.write(out, true);
} catch (IOException | AsterixException e) {
throw new HyracksDataException(e);
}
}
}
@SuppressWarnings("unchecked")
private void writeFeedTypeDetailsRecordType(
IARecordBuilder recordBuilder, Feed feed, ArrayBackedValueStorage fieldValue)
throws HyracksDataException {
switch (feed.getFeedType()) {
case PRIMARY:
{
PrimaryFeed primaryFeed = (PrimaryFeed) feed;
IARecordBuilder primaryDetailsRecordBuilder = new RecordBuilder();
OrderedListBuilder listBuilder = new OrderedListBuilder();
ArrayBackedValueStorage primaryRecordfieldValue = new ArrayBackedValueStorage();
ArrayBackedValueStorage primaryRecordItemValue = new ArrayBackedValueStorage();
primaryDetailsRecordBuilder.reset(MetadataRecordTypes.PRIMARY_FEED_DETAILS_RECORDTYPE);
AMutableString aString = new AMutableString("");
ISerializerDeserializer<AString> stringSerde =
AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(
BuiltinType.ASTRING);
// write field 0
fieldValue.reset();
aString.setValue(primaryFeed.getAdaptorName());
stringSerde.serialize(aString, primaryRecordfieldValue.getDataOutput());
primaryDetailsRecordBuilder.addField(
MetadataRecordTypes.FEED_ARECORD_PRIMARY_FIELD_DETAILS_ADAPTOR_NAME_FIELD_INDEX,
primaryRecordfieldValue);
// write field 1
listBuilder.reset(
(AUnorderedListType)
MetadataRecordTypes.PRIMARY_FEED_DETAILS_RECORDTYPE
.getFieldTypes()[
MetadataRecordTypes
.FEED_ARECORD_PRIMARY_FIELD_DETAILS_ADAPTOR_CONFIGURATION_FIELD_INDEX]);
for (Map.Entry<String, String> property :
primaryFeed.getAdaptorConfiguration().entrySet()) {
String name = property.getKey();
String value = property.getValue();
primaryRecordItemValue.reset();
writePropertyTypeRecord(name, value, primaryRecordItemValue.getDataOutput());
listBuilder.addItem(primaryRecordItemValue);
}
primaryRecordfieldValue.reset();
listBuilder.write(primaryRecordfieldValue.getDataOutput(), true);
primaryDetailsRecordBuilder.addField(
MetadataRecordTypes
.FEED_ARECORD_PRIMARY_FIELD_DETAILS_ADAPTOR_CONFIGURATION_FIELD_INDEX,
primaryRecordfieldValue);
try {
primaryDetailsRecordBuilder.write(fieldValue.getDataOutput(), true);
} catch (IOException | AsterixException e) {
throw new HyracksDataException(e);
}
recordBuilder.addField(
MetadataRecordTypes.FEED_ARECORD_PRIMARY_TYPE_DETAILS_FIELD_INDEX, fieldValue);
}
break;
case SECONDARY:
SecondaryFeed secondaryFeed = (SecondaryFeed) feed;
IARecordBuilder secondaryDetailsRecordBuilder = new RecordBuilder();
ArrayBackedValueStorage secondaryFieldValue = new ArrayBackedValueStorage();
secondaryDetailsRecordBuilder.reset(MetadataRecordTypes.SECONDARY_FEED_DETAILS_RECORDTYPE);
// write field 0
fieldValue.reset();
aString.setValue(secondaryFeed.getSourceFeedName());
stringSerde.serialize(aString, secondaryFieldValue.getDataOutput());
secondaryDetailsRecordBuilder.addField(
MetadataRecordTypes.FEED_ARECORD_SECONDARY_FIELD_DETAILS_SOURCE_FEED_NAME_FIELD_INDEX,
secondaryFieldValue);
try {
secondaryDetailsRecordBuilder.write(fieldValue.getDataOutput(), true);
} catch (IOException | AsterixException e) {
throw new HyracksDataException(e);
}
recordBuilder.addField(
MetadataRecordTypes.FEED_ARECORD_SECONDARY_TYPE_DETAILS_FIELD_INDEX, fieldValue);
break;
}
}
public class APointSerializerDeserializer implements ISerializerDeserializer<APoint> {
private static final long serialVersionUID = 1L;
public static final APointSerializerDeserializer INSTANCE = new APointSerializerDeserializer();
@SuppressWarnings("unchecked")
private static final ISerializerDeserializer<APoint> pointSerde =
AqlSerializerDeserializerProvider.INSTANCE.getSerializerDeserializer(BuiltinType.APOINT);
private static final AMutablePoint aPoint = new AMutablePoint(0, 0);
private APointSerializerDeserializer() {}
@Override
public APoint deserialize(DataInput in) throws HyracksDataException {
try {
return new APoint(in.readDouble(), in.readDouble());
} catch (IOException e) {
throw new HyracksDataException(e);
}
}
@Override
public void serialize(APoint instance, DataOutput out) throws HyracksDataException {
try {
out.writeDouble(instance.getX());
out.writeDouble(instance.getY());
} catch (IOException e) {
throw new HyracksDataException(e);
}
}
public static void serialize(double x, double y, DataOutput out) throws HyracksDataException {
try {
out.writeDouble(x);
out.writeDouble(y);
} catch (IOException e) {
throw new HyracksDataException(e);
}
}
public static final int getCoordinateOffset(Coordinate coordinate) throws HyracksDataException {
switch (coordinate) {
case X:
return 1;
case Y:
return 9;
default:
throw new HyracksDataException("Wrong coordinate");
}
}
public static void parse(String point, DataOutput out) throws HyracksDataException {
try {
aPoint.setValue(
Double.parseDouble(point.substring(0, point.indexOf(','))),
Double.parseDouble(point.substring(point.indexOf(',') + 1, point.length())));
pointSerde.serialize(aPoint, out);
} catch (HyracksDataException e) {
throw new HyracksDataException(point + " can not be an instance of point");
}
}
}