prefuse.data.column
Class BooleanColumn

java.lang.Object
  prefuse.data.column.AbstractColumn
      prefuse.data.column.BooleanColumn

All Implemented Interfaces:

Column

public class BooleanColumn
extends AbstractColumn

Column implementation storing boolean values. Uses a BitSet representation for space efficient storage.

Author:

jeffrey heer

Field Summary

Fields inherited from class prefuse.data.column.AbstractColumn

m_columnType, m_defaultValue, m_listeners, m_parser, m_readOnly

Constructor Summary

BooleanColumn()
Create an empty BooleanColumn.

BooleanColumn(int nrows)
Create a new BooleanColumn.

BooleanColumn(int nrows, int capacity, boolean defaultValue)
Create a new BooleanColumn.

Method Summary

java.lang.Object	get(int row) Get the data value at the specified row
boolean	getBoolean(int row) Get the data value at the specified row as a boolean
int	getRowCount() Returns the number of rows in this data column
void	set(java.lang.Object val, int row) Set the data value at the specified row
void	setBoolean(boolean val, int row) Set the data value at the specified row as a boolean
void	setMaximumRow(int nrows) Sets the number of rows in this data column

Methods inherited from class prefuse.data.column.AbstractColumn

addColumnListener, canGet, canGetBoolean, canGetDate, canGetDouble, canGetFloat, canGetInt, canGetLong, canGetString, canSet, canSetBoolean, canSetDate, canSetDouble, canSetFloat, canSetInt, canSetLong, canSetString, fireColumnEvent, fireColumnEvent, fireColumnEvent, fireColumnEvent, fireColumnEvent, fireColumnEvent, fireColumnEvent, getColumnType, getDate, getDefaultValue, getDouble, getFloat, getInt, getLong, getParser, getString, isCellEditable, isReadOnly, removeColumnListener, revertToDefault, setDate, setDefaultValue, setDouble, setFloat, setInt, setLong, setParser, setReadOnly, setString

Methods inherited from class java.lang.Object

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

Constructor Detail

BooleanColumn

public BooleanColumn()

Create an empty BooleanColumn.

BooleanColumn

public BooleanColumn(int nrows)

Create a new BooleanColumn.

Parameters:

nrows - the initial size of the column

BooleanColumn

public BooleanColumn(int nrows,
                     int capacity,
                     boolean defaultValue)

Create a new BooleanColumn.

Parameters:

nrows - the initial size of the column

capacity - the initial capacity of the column

defaultValue - the default value for the column

Method Detail

getRowCount

public int getRowCount()

Description copied from interface: Column

Returns the number of rows in this data column

Returns:

the number of rows

See Also:

Column.getRowCount()

setMaximumRow

public void setMaximumRow(int nrows)

Description copied from interface: Column

Sets the number of rows in this data column

Parameters:

nrows - the number of rows

See Also:

Column.setMaximumRow(int)

get

public java.lang.Object get(int row)

Description copied from interface: Column

Get the data value at the specified row

Parameters:

row - the row from which to retrieve the value

Returns:

the data value

See Also:

Column.get(int)

set

public void set(java.lang.Object val,
                int row)
         throws DataTypeException

Description copied from interface: Column

Set the data value at the specified row

Parameters:

val - the value to set

row - the row at which to set the value

Throws:

DataTypeException

See Also:

Column.set(java.lang.Object, int)

getBoolean

public boolean getBoolean(int row)
                   throws DataTypeException

Description copied from class: AbstractColumn

Get the data value at the specified row as a boolean

Specified by:

getBoolean in interface Column

Overrides:

getBoolean in class AbstractColumn

Parameters:

row - the row from which to retrieve the value

Returns:

the data value as a boolean

Throws:

DataTypeException - if this column does not support the boolean type

See Also:

AbstractColumn.getBoolean(int)

setBoolean

public void setBoolean(boolean val,
                       int row)
                throws DataTypeException

Description copied from class: AbstractColumn

Set the data value at the specified row as a boolean

Specified by:

setBoolean in interface Column

Overrides:

setBoolean in class AbstractColumn

Parameters:

val - the value to set

row - the row at which to set the value

Throws:

DataTypeException - if this column does not support the boolean type

See Also:

AbstractColumn.setBoolean(boolean, int)