public final class AvroRecordReader
extends org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.avro.generic.GenericData.Record>
| Constructor and Description |
|---|
AvroRecordReader(org.apache.avro.Schema s)
Creates new instance of AvroRecordReader.
|
| Modifier and Type | Method and Description |
|---|---|
void |
close() |
org.apache.hadoop.io.NullWritable |
getCurrentKey() |
org.apache.avro.generic.GenericData.Record |
getCurrentValue()
Returns current value.
|
float |
getProgress() |
void |
initialize(org.apache.hadoop.mapreduce.InputSplit isplit,
org.apache.hadoop.mapreduce.TaskAttemptContext tc) |
boolean |
nextKeyValue() |
public AvroRecordReader(org.apache.avro.Schema s)
s - The input schema.public void close()
throws IOException
close in interface Closeableclose in interface AutoCloseableclose in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.avro.generic.GenericData.Record>IOExceptionpublic org.apache.avro.generic.GenericData.Record getCurrentValue()
throws IOException,
InterruptedException
getCurrentValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.avro.generic.GenericData.Record>IOException - when an IO error occursInterruptedException - when interruptedpublic org.apache.hadoop.io.NullWritable getCurrentKey()
throws IOException,
InterruptedException
getCurrentKey in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.avro.generic.GenericData.Record>IOExceptionInterruptedExceptionpublic float getProgress()
throws IOException,
InterruptedException
getProgress in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.avro.generic.GenericData.Record>IOExceptionInterruptedExceptionpublic void initialize(org.apache.hadoop.mapreduce.InputSplit isplit,
org.apache.hadoop.mapreduce.TaskAttemptContext tc)
throws IOException,
InterruptedException
initialize in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.avro.generic.GenericData.Record>IOExceptionInterruptedExceptionpublic boolean nextKeyValue()
throws IOException,
InterruptedException
nextKeyValue in class org.apache.hadoop.mapreduce.RecordReader<org.apache.hadoop.io.NullWritable,org.apache.avro.generic.GenericData.Record>IOExceptionInterruptedExceptionCopyright © 2007-2017 The Apache Software Foundation