public class AvroMultipleInputsKeyInputFormat<T>
extends org.apache.hadoop.mapreduce.lib.input.FileInputFormat<org.apache.avro.mapred.AvroKey<T>,org.apache.hadoop.io.NullWritable>
Keys are AvroKey wrapper objects that contain the Avro data. Since Avro container files store only records (not key/value pairs), the value from this InputFormat is a NullWritable.
Constructor and Description |
---|
AvroMultipleInputsKeyInputFormat() |
Modifier and Type | Method and Description |
---|---|
org.apache.hadoop.mapreduce.RecordReader<org.apache.avro.mapred.AvroKey<T>,org.apache.hadoop.io.NullWritable> |
createRecordReader(org.apache.hadoop.mapreduce.InputSplit split,
org.apache.hadoop.mapreduce.TaskAttemptContext context) |
addInputPath, addInputPathRecursively, addInputPaths, computeSplitSize, getBlockIndex, getFormatMinSplitSize, getInputDirRecursive, getInputPathFilter, getInputPaths, getMaxSplitSize, getMinSplitSize, getSplits, isSplitable, listStatus, makeSplit, makeSplit, setInputDirRecursive, setInputPathFilter, setInputPaths, setInputPaths, setMaxInputSplitSize, setMinInputSplitSize
public org.apache.hadoop.mapreduce.RecordReader<org.apache.avro.mapred.AvroKey<T>,org.apache.hadoop.io.NullWritable> createRecordReader(org.apache.hadoop.mapreduce.InputSplit split, org.apache.hadoop.mapreduce.TaskAttemptContext context) throws java.io.IOException, java.lang.InterruptedException
createRecordReader
in class org.apache.hadoop.mapreduce.InputFormat<org.apache.avro.mapred.AvroKey<T>,org.apache.hadoop.io.NullWritable>
java.io.IOException
java.lang.InterruptedException