Package org.anchoranalysis.feature.io.csv

Class FeatureCSVWriter

Object

FeatureCSVWriter

public class FeatureCSVWriter
extends Object

Writes the results of feature-calculations as a CSV file.

Author:

Owen Feehan

Field Summary

Fields

Modifier and Type	Field	Description
static final int	NUMBER_DECIMAL_PLACES	The number of decimal places to use for double values, unless visuallyShortened==true.

Constructor Summary

Constructors

Constructor	Description
FeatureCSVWriter(CSVWriter writer, boolean visuallyShortenedDecimals)	Creates for a CSVWriter.

Method Summary

Modifier and Type	Method	Description
void	addRow(List<TypedValue> values)	Directly adds a row in the form of typed-values.
void	addRow(LabelledResultsVector results)	Directly adds a row of feature-values.
void	close()	Closes any open file-handles.
static Optional<FeatureCSVWriter>	create(FeatureCSVMetadata metadata, Outputter outputter, boolean visuallyShortenedDecimals)	Maybe creates a FeatureCSVWriter depending if the output is allowed.

Methods inherited from class java.lang.Object

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

Field Details

NUMBER_DECIMAL_PLACES

public static final int NUMBER_DECIMAL_PLACES

The number of decimal places to use for double values, unless visuallyShortened==true.

See Also:

• Constant Field Values

Constructor Details

FeatureCSVWriter

public FeatureCSVWriter(CSVWriter writer,
 boolean visuallyShortenedDecimals)

Creates for a CSVWriter.

Parameters:

writer - underlying CSV writer, which if null, it means the writer is disabled.

visuallyShortenedDecimals - when true double values are printed to be as short as possible without losing precision, otherwse with NUMBER_DECIMAL_PLACES.

Method Details

create

public static Optional<FeatureCSVWriter> create(FeatureCSVMetadata metadata,
 Outputter outputter,
 boolean visuallyShortenedDecimals)
                                         throws OutputWriteFailedException

Maybe creates a FeatureCSVWriter depending if the output is allowed.

Parameters:

metadata - metadata needed for writing the feature-results.

outputter - determines if the output is allowed.

visuallyShortenedDecimals - when true double values are printed to be as short as possible without losing precision.

Returns:

a write, if it is allowed.

Throws:

OutputWriteFailedException - if the CSV file cannot be created successfully.

addRow

public void addRow(LabelledResultsVector results)

Directly adds a row of feature-values.

Parameters:

results - results for the row, along with corresponding labels.

addRow

public void addRow(List<TypedValue> values)

Directly adds a row in the form of typed-values.

Parameters:

values - a list of typed-values corresponding to a row in a CSV file.

close

public void close()

Closes any open file-handles.

This operation should always be called once at the end of writing.