prefuse.data.column
Class LongColumn

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

All Implemented Interfaces:

Column

public class LongColumn
extends AbstractColumn

Column implementation for storing long values.

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

LongColumn()
Create a new empty LongColumn.

LongColumn(int nrows)
Create a new LongColumn.

LongColumn(int nrows, int capacity, long defaultValue)
Create a new LongColumn.

Method Summary

java.lang.Object	get(int row) Get the data value at the specified row
double	getDouble(int row) Get the data value at the specified row as a double
float	getFloat(int row) Get the data value at the specified row as a float
int	getInt(int row) Get the data value at the specified row as an integer
long	getLong(int row) Get the data value at the specified row as a long
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	setLong(long val, int row) Set the data value at the specified row as a long
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, getBoolean, getColumnType, getDate, getDefaultValue, getParser, getString, isCellEditable, isReadOnly, removeColumnListener, revertToDefault, setBoolean, setDate, setDefaultValue, setDouble, setFloat, setInt, setParser, setReadOnly, setString

Methods inherited from class java.lang.Object

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

Constructor Detail

LongColumn

public LongColumn()

Create a new empty LongColumn.

LongColumn

public LongColumn(int nrows)

Create a new LongColumn.

Parameters:

nrows - the initial size of the column

LongColumn

public LongColumn(int nrows,
                  int capacity,
                  long defaultValue)

Create a new LongColumn.

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)

getLong

public long getLong(int row)
             throws DataTypeException

Description copied from class: AbstractColumn

Get the data value at the specified row as a long

Specified by:

getLong in interface Column

Overrides:

getLong in class AbstractColumn

Parameters:

row - the row from which to retrieve the value

Returns:

the data value as a long

Throws:

DataTypeException - if this column does not support the long type

See Also:

AbstractColumn.getLong(int)

setLong

public void setLong(long val,
                    int row)
             throws DataTypeException

Description copied from class: AbstractColumn

Set the data value at the specified row as a long

Specified by:

setLong in interface Column

Overrides:

setLong 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 long type

See Also:

AbstractColumn.setLong(long, int)

getInt

public int getInt(int row)
           throws DataTypeException

Description copied from class: AbstractColumn

Get the data value at the specified row as an integer

Specified by:

getInt in interface Column

Overrides:

getInt in class AbstractColumn

Parameters:

row - the row from which to retrieve the value

Returns:

the data value as an integer

Throws:

DataTypeException - if this column does not support the integer type

See Also:

Column.getInt(int)

getFloat

public float getFloat(int row)
               throws DataTypeException

Description copied from class: AbstractColumn

Get the data value at the specified row as a float

Specified by:

getFloat in interface Column

Overrides:

getFloat in class AbstractColumn

Parameters:

row - the row from which to retrieve the value

Returns:

the data value as a float

Throws:

DataTypeException - if this column does not support the float type

See Also:

Column.getFloat(int)

getDouble

public double getDouble(int row)
                 throws DataTypeException

Description copied from class: AbstractColumn

Get the data value at the specified row as a double

Specified by:

getDouble in interface Column

Overrides:

getDouble in class AbstractColumn

Parameters:

row - the row from which to retrieve the value

Returns:

the data value as a double

Throws:

DataTypeException - if this column does not support the double type

See Also:

Column.getDouble(int)