Examples with DataFileReader org.apache.avro.file.DataFileReader used on opensource projects

Example 46 with DataFileReader

use of org.apache.avro.file.DataFileReader in project mist by snuspl.

the class AvroExecutionVertexStore method loadAvroPhysicalSourceOutgoingEdgesInfoFromFile.

// TODO: [MIST-*] Implement policy for deleting from disk. Currently does not delete from disk.
private AvroPhysicalSourceOutgoingEdgesInfo loadAvroPhysicalSourceOutgoingEdgesInfoFromFile(final File storedSource) {
    try {
        final DataFileReader<AvroPhysicalSourceOutgoingEdgesInfo> dataFileReader = new DataFileReader<>(storedSource, sourceDatumReader);
        AvroPhysicalSourceOutgoingEdgesInfo avroPhysicalSourceOutgoingEdgesInfo = null;
        avroPhysicalSourceOutgoingEdgesInfo = dataFileReader.next(avroPhysicalSourceOutgoingEdgesInfo);
        return avroPhysicalSourceOutgoingEdgesInfo;
    } catch (IOException e) {
        throw new RuntimeException("Loading AvroPhysicalSourceOutgoingEdgesInfo has failed.");
    }
}