adams.ml
Class CSVDataset

java.lang.Object
  adams.ml.Dataset
      adams.ml.CSVDataset

All Implemented Interfaces:

Serializable, Cloneable

public class CSVDataset
extends Dataset

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class adams.ml.Dataset

Dataset.DataRowIntegerComparable, Dataset.Mapping

Field Summary

protected Hashtable<Integer,String>	m_columnToName
protected Hashtable<Integer,Vector<Integer>>	m_index
protected Hashtable<String,Integer>	m_nameToColumn

Fields inherited from class adams.ml.Dataset

m_errors, m_Mapping, m_name, m_rows

Constructor Summary

CSVDataset()

Method Summary

protected void	addError(int row, String col)
protected String[]	breakUp(String line) Breaks up a line from a CSV file into its cells.
protected boolean	columnPresent(String name)
CSVDataset	dateMinMax(String columnname, BaseData.Date min, BaseData.Date max)
protected Integer	getColumn(String name)
protected Vector<Integer>	getFromIndex(Integer i)
CSVDataset	getWithIntValue(String columnname, Integer val)
CSVDataset	getWithStringValue(String columnname, String val)
protected boolean	hasColumn(String col)
boolean	loadCSV(Reader r)
protected String	readLine(BufferedReader r) Read a line, ensuring that a newline isn't within quotes.
protected void	renameColumn(String oldn, String newn)
void	requireDate(String columnname, String ps)
void	requireDouble(String columnname)
void	requireFloat(String columnname)
void	requireInteger(String columnname)
void	requireInteger(String[] columnnames)
void	requireInteger(String columnname, int value)
void	requireNotEmpty(String columnname)
void	requireNotEmpty(String[] columnnames)
void	requireString(String columnname, String value)
void	requireString(String columnname, String[] values)
void	requireTime(String columnname, String ps)
void	save(String string, String[] summariseHeader)
protected void	setColumn(int cn, String name)
protected void	setIndex(String columnname)
String	showErrors()
Object[]	toArray(String columnname)
String	toCSV(String[] columns, boolean showErrors)
protected String	unquote(String s) Unquotes the given string.

Methods inherited from class adams.ml.Dataset

add, addWithoutCheck, autoID, copy, count, empty, get, getArrayType, getDistinctStrings, getName, getSafe, getType, setMappingFromBaseData, setMappingFromDataRow, setName, setType, setType, sortIntegerField, summariseNumeric, summariseNumericBy, toString, use, useWithoutCheck

Methods inherited from class java.lang.Object

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

Field Detail

m_columnToName

protected Hashtable<Integer,String> m_columnToName

m_nameToColumn

protected Hashtable<String,Integer> m_nameToColumn

m_index

protected Hashtable<Integer,Vector<Integer>> m_index

Constructor Detail

CSVDataset

public CSVDataset()

Method Detail

hasColumn

protected boolean hasColumn(String col)

setIndex

protected void setIndex(String columnname)

toArray

public Object[] toArray(String columnname)

getFromIndex

protected Vector<Integer> getFromIndex(Integer i)

addError

protected void addError(int row,
                        String col)

setColumn

protected void setColumn(int cn,
                         String name)

columnPresent

protected boolean columnPresent(String name)

getColumn

protected Integer getColumn(String name)

renameColumn

protected void renameColumn(String oldn,
                            String newn)

unquote

protected String unquote(String s)

Unquotes the given string.

Parameters:

s - the string to unquote, if necessary

Returns:

the processed string

breakUp

protected String[] breakUp(String line)

Breaks up a line from a CSV file into its cells.

Parameters:

line - the row to break up

Returns:

the cells

readLine

protected String readLine(BufferedReader r)

Read a line, ensuring that a newline isn't within quotes. Look for single quote.

Parameters:

r - BufferedReader

Returns:

Line from file, including cr/lf if in quotes.

requireString

public void requireString(String columnname,
                          String value)

requireString

public void requireString(String columnname,
                          String[] values)

requireInteger

public void requireInteger(String[] columnnames)

requireNotEmpty

public void requireNotEmpty(String[] columnnames)

requireInteger

public void requireInteger(String columnname,
                           int value)

requireInteger

public void requireInteger(String columnname)

requireDouble

public void requireDouble(String columnname)

requireNotEmpty

public void requireNotEmpty(String columnname)

requireFloat

public void requireFloat(String columnname)

dateMinMax

public CSVDataset dateMinMax(String columnname,
                             BaseData.Date min,
                             BaseData.Date max)

getWithIntValue

public CSVDataset getWithIntValue(String columnname,
                                  Integer val)

getWithStringValue

public CSVDataset getWithStringValue(String columnname,
                                     String val)

Overrides:

getWithStringValue in class Dataset

requireDate

public void requireDate(String columnname,
                        String ps)

requireTime

public void requireTime(String columnname,
                        String ps)

showErrors

public String showErrors()

toCSV

public String toCSV(String[] columns,
                    boolean showErrors)

loadCSV

public boolean loadCSV(Reader r)

save

public void save(String string,
                 String[] summariseHeader)