use of org.apache.asterix.external.api.IRecordDataParserFactory in project asterixdb by apache.
the class DataflowControllerProvider method getDataflowController.
// TODO: Instead, use a factory just like data source and data parser.
@SuppressWarnings({ "rawtypes", "unchecked" })
public static IDataFlowController getDataflowController(ARecordType recordType, IHyracksTaskContext ctx, int partition, IExternalDataSourceFactory dataSourceFactory, IDataParserFactory dataParserFactory, Map<String, String> configuration, boolean indexingOp, boolean isFeed, FeedLogManager feedLogManager) throws HyracksDataException {
try {
switch(dataSourceFactory.getDataSourceType()) {
case RECORDS:
IRecordReaderFactory<?> recordReaderFactory = (IRecordReaderFactory<?>) dataSourceFactory;
IRecordReader<?> recordReader = recordReaderFactory.createRecordReader(ctx, partition);
IRecordDataParserFactory<?> recordParserFactory = (IRecordDataParserFactory<?>) dataParserFactory;
IRecordDataParser<?> dataParser = recordParserFactory.createRecordParser(ctx);
if (indexingOp) {
return new IndexingDataFlowController(ctx, DataflowUtils.getTupleForwarder(configuration, feedLogManager), dataParser, recordReader, ((IIndexingDatasource) recordReader).getIndexer());
} else if (isFeed) {
FeedTupleForwarder tupleForwarder = (FeedTupleForwarder) DataflowUtils.getTupleForwarder(configuration, feedLogManager);
boolean isChangeFeed = ExternalDataUtils.isChangeFeed(configuration);
boolean isRecordWithMeta = ExternalDataUtils.isRecordWithMeta(configuration);
if (isRecordWithMeta) {
if (isChangeFeed) {
int numOfKeys = ExternalDataUtils.getNumberOfKeys(configuration);
return new ChangeFeedWithMetaDataFlowController(ctx, tupleForwarder, feedLogManager, numOfKeys + 2, (IRecordWithMetadataParser) dataParser, recordReader);
} else {
return new FeedWithMetaDataFlowController(ctx, tupleForwarder, feedLogManager, 2, (IRecordWithMetadataParser) dataParser, recordReader);
}
} else if (isChangeFeed) {
int numOfKeys = ExternalDataUtils.getNumberOfKeys(configuration);
return new ChangeFeedDataFlowController(ctx, tupleForwarder, feedLogManager, numOfKeys + 1, (IRecordWithPKDataParser) dataParser, recordReader);
} else {
return new FeedRecordDataFlowController(ctx, tupleForwarder, feedLogManager, 1, dataParser, recordReader);
}
} else {
return new RecordDataFlowController(ctx, DataflowUtils.getTupleForwarder(configuration, feedLogManager), dataParser, recordReader, 1);
}
case STREAM:
IInputStreamFactory streamFactory = (IInputStreamFactory) dataSourceFactory;
AsterixInputStream stream = streamFactory.createInputStream(ctx, partition);
IStreamDataParserFactory streamParserFactory = (IStreamDataParserFactory) dataParserFactory;
IStreamDataParser streamParser = streamParserFactory.createInputStreamParser(ctx, partition);
streamParser.setInputStream(stream);
if (isFeed) {
return new FeedStreamDataFlowController(ctx, (FeedTupleForwarder) DataflowUtils.getTupleForwarder(configuration, feedLogManager), feedLogManager, streamParser, stream);
} else {
return new StreamDataFlowController(ctx, DataflowUtils.getTupleForwarder(configuration, null), streamParser);
}
default:
throw new RuntimeDataException(ErrorCode.PROVIDER_DATAFLOW_CONTROLLER_UNKNOWN_DATA_SOURCE, dataSourceFactory.getDataSourceType());
}
} catch (IOException | AsterixException e) {
throw new HyracksDataException(e);
}
}
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