org.lenskit.util.table.writer

Class AbstractTableWriter

java.lang.Object

org.lenskit.util.table.writer.AbstractTableWriter

All Implemented Interfaces:

Closeable, AutoCloseable, TableWriter

Direct Known Subclasses:

CSVWriter, TableBuilder

public abstract class AbstractTableWriter
extends Object
implements TableWriter

Abstract helper class for implementing table writers.

Since:

1.1

Constructor Summary

Constructors

Constructor and Description
AbstractTableWriter()

Method Summary

Modifier and Type	Method and Description
protected void	checkRowWidth(int width) Check the width of a row to see if it is too wide.
void	close() No-op close implementaiton.
void	writeRow(Object... row) Write a row to the table.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.lenskit.util.table.writer.TableWriter

getLayout, writeRow

Constructor Detail

AbstractTableWriter

public AbstractTableWriter()

Method Detail

writeRow

public void writeRow(Object... row)
              throws IOException

Write a row to the table. This method is thread-safe.

This implementation delegates to TableWriter.writeRow(java.util.List).

Specified by:

writeRow in interface TableWriter

Parameters:

row - A row of values. If the table requires more columns, the remaining columns are empty. The row is copied if necessary; the caller is free to re-use the same array for returnValue calls.

Throws:

IOException - if an error occurs writing the row.

checkRowWidth

protected void checkRowWidth(int width)

Check the width of a row to see if it is too wide. This formats the exception with a helpful error message.

Parameters:

width - The row width.

Throws:

IllegalArgumentException - if the row is too wide.

close

public void close()
           throws IOException

No-op close implementaiton.

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

Specified by:

close in interface TableWriter

Throws:

IOException