infovis.column
Class ColumnId

java.lang.Object
  infovis.utils.ChangeManager
      infovis.column.AbstractColumn
          infovis.column.ColumnProxy
              infovis.column.ColumnId

All Implemented Interfaces:

IntComparator, Column, NumberColumn, Metadata, Constants, RowComparator, Serializable, EventListener, ChangeListener

public class ColumnId
extends ColumnProxy
implements NumberColumn

Class ColumnId wraps any column to make it a NumberColumn. As value, it simply returns the index of the element.

Version:

$Revision: 1.7 $

Author:

Jean-Daniel Fekete

See Also:

Serialized Form

Field Summary

Fields inherited from class infovis.column.AbstractColumn

MODIFIED_ALL, MODIFIED_NONE

Fields inherited from interface infovis.metadata.Constants

CONTRIBUTOR, COVERAGE, CREATOR, DATE, DESCRITION, FORMAT, IDENTIFIER, LANGUAGE, PUBLISHER, RELATION, RIGHTS, SOURCE, SUBJECT, TITLE, TYPE

Method Summary

static ColumnId	findIdColumn(Column col) Search for an IdColumn associated with a specified column and returns it or creates it if none exists.
String	format(double value) Returns the specified value formatted according to this column's format.
int	get(int row) Returns the row.
double	getDoubleAt(int row) Returns the value as a double.
double	getDoubleMax() Returns the largset value as a double.
double	getDoubleMin() Returns the smallest value as a double.
float	getFloatAt(int row) Returns the value as a float.
int	getIntAt(int row) Returns the value as an int.
long	getLongAt(int row) Returns the value as a long.
double	round(double value) Returns the rounded value according to the semantics of this number value.
void	setDoubleAt(int row, double v) Sets the value as a double.
void	setFloatAt(int row, float v) Sets the value as a float.
void	setIntAt(int row, int v) Sets the value as an int.
void	setLongAt(int row, long v) Sets the value as a long.

Methods inherited from class infovis.column.ColumnProxy

addValue, addValueOrNull, capacity, clear, compare, dispose, ensureCapacity, getClientProperty, getFormat, getMaxIndex, getMetadata, getMinIndex, getName, getValueAt, getValueClass, hasUndefinedValue, isEmpty, isInternal, isValueUndefined, iterator, setFormat, setName, setSize, setValueAt, setValueOrNullAt, setValueUndefined, size, stateChanged

Methods inherited from class infovis.column.AbstractColumn

addChangeListener, compareValues, computeValueMap, computeValueMap, equalObj, equals, getLastModifiedRow, toString

Methods inherited from class infovis.utils.ChangeManager

disableNotify, enableNotify, getModCount, removeChangeListener

Methods inherited from class java.lang.Object

getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface infovis.Column

addChangeListener, addValue, addValueOrNull, capacity, clear, disableNotify, enableNotify, ensureCapacity, getFormat, getMaxIndex, getMinIndex, getName, getValueAt, getValueClass, hasUndefinedValue, isEmpty, isInternal, isValueUndefined, iterator, removeChangeListener, setFormat, setName, setSize, setValueAt, setValueOrNullAt, setValueUndefined, size

Methods inherited from interface infovis.Metadata

getClientProperty, getMetadata

Methods inherited from interface cern.colt.function.IntComparator

compare, equals

Method Detail

findIdColumn

public static ColumnId findIdColumn(Column col)

Search for an IdColumn associated with a specified column and returns it or creates it if none exists.

Parameters:

col - the column

Returns:

an IdColumn associated with the specified column

get

public int get(int row)

Returns the row.

Parameters:

row - the row

Returns:

the row

getDoubleAt

public double getDoubleAt(int row)

Returns the value as a double.

Specified by:

getDoubleAt in interface NumberColumn

Parameters:

row - the row

Returns:

the value as a double

getDoubleMax

public double getDoubleMax()

Returns the largset value as a double.

Specified by:

getDoubleMax in interface NumberColumn

Returns:

the largset value as a double.

getDoubleMin

public double getDoubleMin()

Returns the smallest value as a double.

Specified by:

getDoubleMin in interface NumberColumn

Returns:

the smallest value as a double.

getFloatAt

public float getFloatAt(int row)

Returns the value as a float.

Specified by:

getFloatAt in interface NumberColumn

Parameters:

row - the row

Returns:

the value as a float

getIntAt

public int getIntAt(int row)

Returns the value as an int.

Specified by:

getIntAt in interface NumberColumn

Parameters:

row - the row

Returns:

the value as an int

getLongAt

public long getLongAt(int row)

Returns the value as a long.

Specified by:

getLongAt in interface NumberColumn

Parameters:

row - the row

Returns:

the value as a long

round

public double round(double value)

Returns the rounded value according to the semantics of this number value.

Specified by:

round in interface NumberColumn

Parameters:

value - the value to round

Returns:

the rounded value according to the semantics of this number value.

setDoubleAt

public void setDoubleAt(int row,
                        double v)

Sets the value as a double.

Specified by:

setDoubleAt in interface NumberColumn

Parameters:

row - the row

v - the value as a double

setFloatAt

public void setFloatAt(int row,
                       float v)

Sets the value as a float.

Specified by:

setFloatAt in interface NumberColumn

Parameters:

row - the row

v - the value as a float

setIntAt

public void setIntAt(int row,
                     int v)

Sets the value as an int.

Specified by:

setIntAt in interface NumberColumn

Parameters:

row - the row

v - the value as an int

setLongAt

public void setLongAt(int row,
                      long v)

Sets the value as a long.

Specified by:

setLongAt in interface NumberColumn

Parameters:

row - the row

v - the value as a long

format

public String format(double value)

Returns the specified value formatted according to this column's format.

Specified by:

format in interface NumberColumn

Parameters:

value - the value to format

Returns:

the string formatted according to this column's format.