public interface RecordReader
Modifier and Type | Method and Description |
---|---|
void |
close()
Release the resources associated with the given reader.
|
float |
getProgress()
Get the progress of the reader through the rows.
|
long |
getRowNumber()
Get the row number of the row that will be returned by the following
call to next().
|
boolean |
nextBatch(VectorizedRowBatch batch)
Read the next row batch.
|
void |
seekToRow(long rowCount)
Seek to a particular row number.
|
boolean nextBatch(VectorizedRowBatch batch) throws IOException
batch
- a row batch object to read intoIOException
long getRowNumber() throws IOException
IOException
float getProgress() throws IOException
IOException
void close() throws IOException
IOException
void seekToRow(long rowCount) throws IOException
IOException
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