de.lmu.ifi.dbs.elki.result.textwriter
Class TextWriter<O extends DatabaseObject>

java.lang.Object
  de.lmu.ifi.dbs.elki.result.textwriter.TextWriter<O>

Type Parameters:

O - Object type

public class TextWriter<O extends DatabaseObject>
extends Object

Class to write a result to human-readable text output

Author:

Erich Schubert

Field Summary

static String	FILE_EXTENSION Extension for txt-files.
private static Logging	logger Logger
private Normalization<O>	normalization Normalization to use.
static HandlerList<TextWriterWriterInterface<?>>	writers Hash map for supported classes in writer.

Constructor Summary

TextWriter()

Method Summary

private String	filenameFromLabel(String label) Derive a file name from the cluster label.
Normalization<O>	getNormalization() Getter for normalization
void	output(Database<O> db, Result r, StreamFactory streamOpener) Stream output.
private void	printObject(TextWriterStream out, O obj, List<Pair<String,Object>> anns)
protected void	printSettings(Database<O> db, TextWriterStream out, List<AttributeSettings> settings) Writes a header providing information concerning the underlying database and the specified parameter-settings.
void	setNormalization(Normalization<O> normalization) Setter for normalization
private void	writeGroupResult(Database<O> db, StreamFactory streamOpener, DatabaseObjectGroup group, List<AnnotationResult<?>> ra, List<OrderingResult> ro, NamingScheme naming, List<AttributeSettings> settings)
private void	writeIterableResult(Database<O> db, StreamFactory streamOpener, IterableResult<?> ri, List<MetadataResult> rm)

Methods inherited from class java.lang.Object

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

Field Detail

logger

private static final Logging logger

Logger

FILE_EXTENSION

public static final String FILE_EXTENSION

Extension for txt-files.

See Also:

Constant Field Values

writers

public static final HandlerList<TextWriterWriterInterface<?>> writers

Hash map for supported classes in writer.

normalization

private Normalization<O extends DatabaseObject> normalization

Normalization to use.

Constructor Detail

TextWriter

public TextWriter()

Method Detail

printSettings

protected void printSettings(Database<O> db,
                             TextWriterStream out,
                             List<AttributeSettings> settings)

Writes a header providing information concerning the underlying database and the specified parameter-settings.

Parameters:

db - to retrieve meta information from

out - the print stream where to write

settings - the settings to be written into the header

output

public void output(Database<O> db,
                   Result r,
                   StreamFactory streamOpener)
            throws UnableToComplyException,
                   IOException

Stream output.

Parameters:

db - Database object

r - Result class

streamOpener - output stream manager

Throws:

UnableToComplyException

IOException

printObject

private void printObject(TextWriterStream out,
                         O obj,
                         List<Pair<String,Object>> anns)
                  throws UnableToComplyException,
                         IOException

Throws:

UnableToComplyException

IOException

writeGroupResult

private void writeGroupResult(Database<O> db,
                              StreamFactory streamOpener,
                              DatabaseObjectGroup group,
                              List<AnnotationResult<?>> ra,
                              List<OrderingResult> ro,
                              NamingScheme naming,
                              List<AttributeSettings> settings)
                       throws FileNotFoundException,
                              UnableToComplyException,
                              IOException

Throws:

FileNotFoundException

UnableToComplyException

IOException

writeIterableResult

private void writeIterableResult(Database<O> db,
                                 StreamFactory streamOpener,
                                 IterableResult<?> ri,
                                 List<MetadataResult> rm)
                          throws UnableToComplyException,
                                 IOException

Throws:

UnableToComplyException

IOException

setNormalization

public void setNormalization(Normalization<O> normalization)

Setter for normalization

Parameters:

normalization - new normalization object

getNormalization

public Normalization<O> getNormalization()

Getter for normalization

Returns:

normalization object

filenameFromLabel

private String filenameFromLabel(String label)

Derive a file name from the cluster label.

Parameters:

label - cluster label

Returns:

cleaned label suitable for file names.