K - The type of key the record reader should generate.V - The type of value the record reader should generate.T - The type of the entries within the Trevni container file being
read.public abstract class AvroTrevniRecordReaderBase<K,V,T> extends RecordReader<K,V>
RecordReaders that read Trevni container
files.| Constructor and Description |
|---|
AvroTrevniRecordReaderBase() |
| Modifier and Type | Method and Description |
|---|---|
void |
close() |
protected T |
getCurrentRecord()
Gets the current record read from the Trevni container file.
|
float |
getProgress() |
void |
initialize(InputSplit inputSplit,
TaskAttemptContext context) |
boolean |
nextKeyValue() |
getCurrentKey, getCurrentValuepublic void initialize(InputSplit inputSplit, TaskAttemptContext context) throws IOException, InterruptedException
initialize in class RecordReader<K,V>IOExceptionInterruptedExceptionpublic boolean nextKeyValue()
throws IOException,
InterruptedException
nextKeyValue in class RecordReader<K,V>IOExceptionInterruptedExceptionprotected T getCurrentRecord()
Calling nextKeyValue() moves this to the next record.
public void close()
throws IOException
close in interface Closeableclose in interface AutoCloseableclose in class RecordReader<K,V>IOExceptionpublic float getProgress()
throws IOException,
InterruptedException
getProgress in class RecordReader<K,V>IOExceptionInterruptedExceptionCopyright © 2009–2023 The Apache Software Foundation. All rights reserved.