org.lenskit.util.table.writer

Class DevNullTableWriter

java.lang.Object

org.lenskit.util.table.writer.DevNullTableWriter

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, TableWriter

public class DevNullTableWriter
extends java.lang.Object
implements TableWriter

Table writer that discards all data.

Constructor Summary

Constructors

Constructor and Description
DevNullTableWriter(TableLayout tl)

Method Summary

Modifier and Type	Method and Description
void	close() Finish the table.
void	flush() Flush the writer, causing all currently-written rows to be flushed to output.
TableLayout	getLayout() Get the layout of this table.
void	writeRow(java.util.List<?> row) Write a row to the table.
void	writeRow(java.lang.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

Constructor Detail

DevNullTableWriter

public DevNullTableWriter(TableLayout tl)

Method Detail

getLayout

public TableLayout getLayout()

Description copied from interface: TableWriter

Get the layout of this table.

Specified by:

getLayout in interface TableWriter

Returns:

The table’s layout.

writeRow

public void writeRow(java.lang.Object... row)
              throws java.io.IOException

Description copied from interface: TableWriter

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

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:

java.io.IOException - if an error occurs writing the row.

writeRow

public void writeRow(java.util.List<?> row)
              throws java.io.IOException

Description copied from interface: TableWriter

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

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:

java.io.IOException - if an error occurs writing the row.

flush

public void flush()
           throws java.io.IOException

Description copied from interface: TableWriter

Flush the writer, causing all currently-written rows to be flushed to output.

Specified by:

flush in interface TableWriter

Throws:

java.io.IOException - if an error occurs while flushing output.

close

public void close()
           throws java.io.IOException

Description copied from interface: TableWriter

Finish the table. Depending on how it was constructed, some underlying resource may be closed.

Specified by:

close in interface java.io.Closeable

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface TableWriter

Throws:

java.io.IOException