infovis.column.filter
Class NotStringOrNumberFilter

java.lang.Object
  infovis.column.filter.NotStringOrNumberFilter

All Implemented Interfaces:

ColumnFilter

public class NotStringOrNumberFilter
extends Object
implements ColumnFilter

Filter out non StringColumns. Used in ScatterPlotVisualization based on infovis.column.filter.NotNumberFilter by

Version:

$Revision: 1.4 $

Author:

Naomi Dushay

See Also:

NotNumberFilter

Constructor Summary

NotStringOrNumberFilter()

Method Summary

boolean	filter(Column c) Returns true if the Column should be filtered out.
static NotStringOrNumberFilter	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

NotStringOrNumberFilter

public NotStringOrNumberFilter()

Method Detail

sharedInstance

public static NotStringOrNumberFilter 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)