Class RowReader

java.lang.Object

com.sparsity.sparksee.io.RowReader

Direct Known Subclasses:

CSVReader

public class RowReader
extends Object

RowReader interface.

Common interface for those readers which get the data as an string array.

It works as follows: perform as many read operations as necessary and call close once at the end. Once close is called no more read operations can be executed.

Check out the 'Data import' section in the SPARKSEE User Manual for more details on this.

Author:

Sparsity Technologies http://www.sparsity-technologies.com

Method Summary

Modifier and Type	Method	Description
void	close()	Closes the reader.
int	getRow()	The row number for the current row.
boolean	read(StringList row)	Reads the next row as a string array.
boolean	reset()	Moves the reader to the beginning.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

close

public void close()
           throws IOException

Closes the reader.

Throws:

IOException - If the close fails.

reset

public boolean reset()
              throws IOException

Moves the reader to the beginning.

Restarts the reader.

Returns:

true if the reader can be restarted, false otherwise.

Throws:

IOException - If bad things happen during the restart.

read

public boolean read(StringList row)
             throws IOException

Reads the next row as a string array.

Parameters:

row - [out] A string list with each comma-separated element as a separate entry.

Returns:

Returns true if a row had been read or false otherwise.

Throws:

IOException - If bad things happen during the read.

getRow

public int getRow()
           throws IOException

The row number for the current row.

Returns:

The current row number; 0 if there is no current row.

Throws:

IOException - If it fails.