prefuse.data.column
Class DateColumn

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

All Implemented Interfaces:

Column

public class DateColumn
extends AbstractColumn

Column implementation for storing Date 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

DateColumn()
Create a new empty DateColumn.

DateColumn(java.lang.Class type, int nrows)
Create a new DateColumn.

DateColumn(java.lang.Class type, int nrows, int capacity, long defaultValue)
Create a new DateColumn.

DateColumn(int nrows)
Create a new DateColumn.

Method Summary

boolean	canSet(java.lang.Class type) Indicates if the set method can be called without an exception being thrown for the given type.
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
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, canSetBoolean, canSetDate, canSetDouble, canSetFloat, canSetInt, canSetLong, canSetString, fireColumnEvent, fireColumnEvent, fireColumnEvent, fireColumnEvent, fireColumnEvent, fireColumnEvent, fireColumnEvent, getBoolean, getColumnType, getDate, getDefaultValue, getFloat, getInt, 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

DateColumn

public DateColumn()

Create a new empty DateColumn.

DateColumn

public DateColumn(int nrows)

Create a new DateColumn.

Parameters:

nrows - the initial size of the column

DateColumn

public DateColumn(java.lang.Class type,
                  int nrows)

Create a new DateColumn.

Parameters:

type - the exact data type (must be an instance or subclass of java.util.Date)

nrows - the initial size of the column

DateColumn

public DateColumn(java.lang.Class type,
                  int nrows,
                  int capacity,
                  long defaultValue)

Create a new DateColumn.

Parameters:

type - the exact data type (must be an instance or subclass of java.util.Date)

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)

canSet

public boolean canSet(java.lang.Class type)

Indicates if the set method can be called without an exception being thrown for the given type.

Specified by:

canSet in interface Column

Overrides:

canSet in class AbstractColumn

Parameters:

type - the Class of the data type to check

Returns:

true if the type is supported by this column, false otherwise

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)

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)