org.moeaframework.analysis.sensitivity
Interface OutputWriter

All Superinterfaces:

Closeable

All Known Implementing Classes:

MetricFileWriter, ResultFileWriter

public interface OutputWriter
extends Closeable

Writes output files. The allow the Evaluator to automatically resume itself at the last known good result, output writers are expected to cleanup the file and return the number of valid entries through getNumberOfEntries().

Method Summary

void	append(ResultEntry entry) Appends the specified non-dominated population and optional attributes to the file.
int	getNumberOfEntries() Returns the number of entries in the file.

Methods inherited from interface java.io.Closeable

close

Method Detail

getNumberOfEntries

int getNumberOfEntries()

Returns the number of entries in the file. If the file already existed, this returns the number of complete entries in the output file. This value is incremented on every invocation to the append(org.moeaframework.analysis.sensitivity.ResultEntry) method.

Returns:

the number of entries in the file

append

void append(ResultEntry entry)
            throws IOException

Appends the specified non-dominated population and optional attributes to the file.

Parameters:

entry - the non-dominated population and optional attributes

Throws:

IOException - if an I/O error occurred