org.apache.ctakes.ytex.weka

Class WekaBagOfWordsExporterImpl

java.lang.Object

org.apache.ctakes.ytex.kernel.AbstractBagOfWordsExporter

org.apache.ctakes.ytex.weka.WekaBagOfWordsExporterImpl

All Implemented Interfaces:

BagOfWordsExporter, WekaBagOfWordsExporter

Direct Known Subclasses:

GramMatrixExporterImpl

public class WekaBagOfWordsExporterImpl
extends AbstractBagOfWordsExporter
implements WekaBagOfWordsExporter

Field Summary

Fields inherited from class org.apache.ctakes.ytex.kernel.AbstractBagOfWordsExporter

jdbcTemplate, simpleJdbcTemplate, transactionManager, txNew

Constructor Summary

Constructors

Constructor and Description
WekaBagOfWordsExporterImpl()

Method Summary

Modifier and Type	Method and Description
void	exportBagOfWords(String propertyFile)
void	exportBagOfWords(String propertyFile, BagOfWordsDecorator bDecorator)
void	exportBagOfWords(String arffRelation, String instanceClassQuery, String instanceNumericWordQuery, String instanceNominalWordQuery, BufferedWriter writer)
void	exportBagOfWords(String arffRelation, String instanceClassQuery, String instanceNumericWordQuery, String instanceNominalWordQuery, BufferedWriter writer, BagOfWordsDecorator bDecorator)
protected void	getInstances(String sql, BagOfWordsData bagOfWordsData)
protected weka.core.Instances	initializeInstances(String arffRelation, BagOfWordsData bagOfWordsData, BagOfWordsDecorator bDecorator) initialize the weka Instances

Methods inherited from class org.apache.ctakes.ytex.kernel.AbstractBagOfWordsExporter

addNominalWordToInstance, addNumericWordToInstance, getDataSource, getNominalInstanceWords, getNumericInstanceWords, getTransactionManager, loadData, loadProperties, setDataSource, setTransactionManager

Methods inherited from class java.lang.Object

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

Constructor Detail

WekaBagOfWordsExporterImpl

public WekaBagOfWordsExporterImpl()

Method Detail

exportBagOfWords

public void exportBagOfWords(String arffRelation,
                             String instanceClassQuery,
                             String instanceNumericWordQuery,
                             String instanceNominalWordQuery,
                             BufferedWriter writer)
                      throws IOException

Specified by:

exportBagOfWords in interface WekaBagOfWordsExporter

Parameters:

arffRelation - relation of arff file to generate

instanceClassQuery - query with result columns: column 1 - integer instance id, column 2 - string class label

instanceNumericWordQuery - query with result colums: column 1 - integer instance id, column 2 - word, column 3 - numeric word value

instanceNominalWordQuery - query with result colums: column 1 - integer instance id, column 2 - word, column 3 - string word value

writer - where arff file will be written

Throws:

IOException

exportBagOfWords

public void exportBagOfWords(String arffRelation,
                             String instanceClassQuery,
                             String instanceNumericWordQuery,
                             String instanceNominalWordQuery,
                             BufferedWriter writer,
                             BagOfWordsDecorator bDecorator)
                      throws IOException

Throws:

IOException

exportBagOfWords

public void exportBagOfWords(String propertyFile)
                      throws IOException

Specified by:

exportBagOfWords in interface BagOfWordsExporter

Parameters:

propertyFile - .xml/.properties file with following properties:

• arffRelation (see exportBagOfWords)
• instanceClassQuery (see exportBagOfWords)
• numericWordQuery (see exportBagOfWords)
• nominalWordQuery (see exportBagOfWords)
• arffFile file name to write arff file to

Throws:

IOException

exportBagOfWords

public void exportBagOfWords(String propertyFile,
                             BagOfWordsDecorator bDecorator)
                      throws IOException

Specified by:

exportBagOfWords in interface WekaBagOfWordsExporter

Throws:

IOException

initializeInstances

protected weka.core.Instances initializeInstances(String arffRelation,
                                                  BagOfWordsData bagOfWordsData,
                                                  BagOfWordsDecorator bDecorator)

initialize the weka Instances

Parameters:

arffRelation -

sql -

classLabels -

idfMap -

docLengthMap -

Returns:

getInstances

protected void getInstances(String sql,
                            BagOfWordsData bagOfWordsData)