How to use

getMetaKeys

method

in

org.apache.avro.file.DataFileReader

List<String> keys = reader.getMetaKeys();
for (String key : keys) {
 out.print(escapeKey(key));

String codecStr = fileReader.getMetaString(DataFileConstants.CODEC);
CodecFactory codecFactory = CodecFactory.fromString("" + codecStr);
List<String> metas = fileReader.getMetaKeys();
if (recoverPrior || recoverAfter) {
 GenericDatumWriter<Object> writer = new GenericDatumWriter<>();

private DataFileReader<D> initMetadata(DataFileReader<D> reader) {
 if (metadata == null) {
  this.metadata = Maps.newHashMap();
  for (String key : reader.getMetaKeys()) {
   metadata.put(key, reader.getMetaString(key));
  }
 }
 return reader;
}

List<String> keys = reader.getMetaKeys();
for (String key : keys) {
 out.print(escapeKey(key));

String codecStr = fileReader.getMetaString(DataFileConstants.CODEC);
CodecFactory codecFactory = CodecFactory.fromString("" + codecStr);
List<String> metas = fileReader.getMetaKeys();
if (recoverPrior || recoverAfter) {
 GenericDatumWriter<Object> writer = new GenericDatumWriter<Object>();