org.apache.hudi.io.hadoop

Class HoodieAvroHFileWriter

java.lang.Object

org.apache.hudi.io.hadoop.HoodieAvroHFileWriter

All Implemented Interfaces:

HoodieAvroFileWriter, HoodieFileWriter

public class HoodieAvroHFileWriter
extends Object
implements HoodieAvroFileWriter

HoodieHFileWriter writes IndexedRecords into an HFile. The record's key is used as the key and the AVRO encoded record bytes are saved as the value.

Limitations (compared to columnar formats like Parquet or ORC): 1. Records should be added in order of keys 2. There are no column stats

Constructor Summary

Constructors

Constructor and Description
HoodieAvroHFileWriter(String instantTime, StoragePath file, HoodieHFileConfig hfileConfig, org.apache.avro.Schema schema, TaskContextSupplier taskContextSupplier, boolean populateMetaFields)

Method Summary

Modifier and Type	Method and Description
boolean	canWrite()
void	close()
void	writeAvro(String recordKey, org.apache.avro.generic.IndexedRecord record)
void	writeAvroWithMetadata(HoodieKey key, org.apache.avro.generic.IndexedRecord avroRecord)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.hudi.io.storage.HoodieAvroFileWriter

prepRecordWithMetadata, write, writeWithMetadata

Methods inherited from interface org.apache.hudi.io.storage.HoodieFileWriter

write, writeWithMetadata

Constructor Detail

HoodieAvroHFileWriter

public HoodieAvroHFileWriter(String instantTime,
                             StoragePath file,
                             HoodieHFileConfig hfileConfig,
                             org.apache.avro.Schema schema,
                             TaskContextSupplier taskContextSupplier,
                             boolean populateMetaFields)
                      throws IOException

Throws:

IOException

Method Detail

writeAvroWithMetadata

public void writeAvroWithMetadata(HoodieKey key,
                                  org.apache.avro.generic.IndexedRecord avroRecord)
                           throws IOException

Specified by:

writeAvroWithMetadata in interface HoodieAvroFileWriter

Throws:

IOException

canWrite

public boolean canWrite()

Specified by:

canWrite in interface HoodieAvroFileWriter

Specified by:

canWrite in interface HoodieFileWriter

writeAvro

public void writeAvro(String recordKey,
                      org.apache.avro.generic.IndexedRecord record)
               throws IOException

Specified by:

writeAvro in interface HoodieAvroFileWriter

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface HoodieAvroFileWriter

Specified by:

close in interface HoodieFileWriter

Throws:

IOException