infovis.column.filter
Class NotNumberFilter

java.lang.Object
  extended by infovis.column.filter.NotNumberFilter
All Implemented Interfaces:
ColumnFilter

public class NotNumberFilter
extends Object
implements ColumnFilter

Filter out non NumberColumns.

Version:
$Revision: 1.6 $
Author:
Jean-Daniel Fekete

Constructor Summary
NotNumberFilter()
           
 
Method Summary
 boolean filter(Column c)
          Returns true if the Column should be filtered out.
static NotNumberFilter sharedInstance()
          Avoid creating several instances since we need only one.
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

NotNumberFilter

public NotNumberFilter()
Method Detail

sharedInstance

public static NotNumberFilter sharedInstance()
Avoid creating several instances since we need only one.

Returns:
the shared instance.

filter

public boolean filter(Column c)
Description copied from interface: ColumnFilter
Returns true if the Column should be filtered out.

Specified by:
filter in interface ColumnFilter
Parameters:
c - the column
Returns:
true if the Column should be filtered out.
See Also:
ColumnFilter.filter(Column)


Copyright 2005 by Jean-Daniel Fekete and INRIA, France All rights reserved.