/** {@inheritDoc} Every Codec constructed will be decorated by the {@link #decorators}. */
public <T> Codec<T> create(AnnotatedElement metadata, Class<T> type, ResolverContext context) {
Codec<T> codec = delegate.create(metadata, type, context);
if (codec != null) {
for (CodecDecorator decorator : decorators) {
codec = decorator.decorate(codec, metadata, type, context);
}
}
return codec;
}
public RecordWriter<Void, T> getRecordWriter(
Configuration conf, Path file, CompressionCodecName codec)
throws IOException, InterruptedException {
final WriteSupport<T> writeSupport = getWriteSupport(conf);
CodecFactory codecFactory = new CodecFactory(conf);
int blockSize = getBlockSize(conf);
if (INFO) LOG.info("Parquet block size to " + blockSize);
int pageSize = getPageSize(conf);
if (INFO) LOG.info("Parquet page size to " + pageSize);
int dictionaryPageSize = getDictionaryPageSize(conf);
if (INFO) LOG.info("Parquet dictionary page size to " + dictionaryPageSize);
boolean enableDictionary = getEnableDictionary(conf);
if (INFO) LOG.info("Dictionary is " + (enableDictionary ? "on" : "off"));
boolean validating = getValidation(conf);
if (INFO) LOG.info("Validation is " + (validating ? "on" : "off"));
WriterVersion writerVersion = getWriterVersion(conf);
if (INFO) LOG.info("Writer version is: " + writerVersion);
WriteContext init = writeSupport.init(conf);
ParquetFileWriter w = new ParquetFileWriter(conf, init.getSchema(), file);
w.start();
return new ParquetRecordWriter<T>(
w,
writeSupport,
init.getSchema(),
init.getExtraMetaData(),
blockSize,
pageSize,
codecFactory.getCompressor(codec, pageSize),
dictionaryPageSize,
enableDictionary,
validating,
writerVersion);
}
