V
- the root type of the filepublic class OrcMapreduceRecordReader<V extends WritableComparable> extends RecordReader<NullWritable,V>
Constructor and Description |
---|
OrcMapreduceRecordReader(Reader fileReader,
Reader.Options options) |
OrcMapreduceRecordReader(RecordReader reader,
TypeDescription schema) |
Modifier and Type | Method and Description |
---|---|
void |
close() |
NullWritable |
getCurrentKey() |
V |
getCurrentValue() |
float |
getProgress() |
void |
initialize(InputSplit inputSplit,
TaskAttemptContext taskAttemptContext) |
boolean |
nextKeyValue() |
public OrcMapreduceRecordReader(RecordReader reader, TypeDescription schema) throws IOException
IOException
public OrcMapreduceRecordReader(Reader fileReader, Reader.Options options) throws IOException
IOException
public void close() throws IOException
close
in interface Closeable
close
in interface AutoCloseable
close
in class RecordReader<NullWritable,V extends WritableComparable>
IOException
public void initialize(InputSplit inputSplit, TaskAttemptContext taskAttemptContext)
initialize
in class RecordReader<NullWritable,V extends WritableComparable>
public boolean nextKeyValue() throws IOException, InterruptedException
nextKeyValue
in class RecordReader<NullWritable,V extends WritableComparable>
IOException
InterruptedException
public NullWritable getCurrentKey() throws IOException, InterruptedException
getCurrentKey
in class RecordReader<NullWritable,V extends WritableComparable>
IOException
InterruptedException
public V getCurrentValue() throws IOException, InterruptedException
getCurrentValue
in class RecordReader<NullWritable,V extends WritableComparable>
IOException
InterruptedException
public float getProgress() throws IOException
getProgress
in class RecordReader<NullWritable,V extends WritableComparable>
IOException
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