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 |
hasNext()
Does the reader have more rows available.
|
java.lang.Object |
next(java.lang.Object previous)
Read the next row.
|
void |
seekToRow(long rowCount)
Seek to a particular row number.
|
boolean hasNext() throws java.io.IOException
java.io.IOException
java.lang.Object next(java.lang.Object previous) throws java.io.IOException
previous
- a row object that can be reused by the readerjava.io.IOException
long getRowNumber() throws java.io.IOException
java.io.IOException
float getProgress() throws java.io.IOException
java.io.IOException
void close() throws java.io.IOException
java.io.IOException
void seekToRow(long rowCount) throws java.io.IOException
java.io.IOException
Copyright © 2012 The Apache Software Foundation