weka.core

Class StreamableFilterHelper

java.lang.Object

weka.core.StreamableFilterHelper

public class StreamableFilterHelper
extends java.lang.Object

Utility class for wrapping one or more StreamableFilters in a MakePreconstructedFilter

Version:

$Revision: $

Author:

Mark Hall (mhall{[at]}pentaho{[dot]}com)

Constructor Summary

Constructors

Constructor and Description
StreamableFilterHelper()

Method Summary

Modifier and Type	Method and Description
java.lang.String	filtersToUseTipText() The tool tip text for this property.
static java.lang.String	getFilterSpec(weka.filters.Filter f) Create an option specification string for a filter
static java.lang.String[]	getOptions(PreconstructedFilter filter) Utility method to return an array of options representing the configuration of one or more filters wrapped in a PreconstructedFilter
static java.util.Enumeration<weka.core.Option>	listOptions() Return a list of options for this utility class
static PreconstructedFilter	wrapStreamableFilters(java.util.List<weka.filters.StreamableFilter> filters) Wraps a list of filters into a Preconstructed filter
static PreconstructedFilter	wrapStreamableFilters(java.lang.String[] options) Wraps specified filters into a Preconstructed filter

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamableFilterHelper

public StreamableFilterHelper()

Method Detail

filtersToUseTipText

public java.lang.String filtersToUseTipText()

The tool tip text for this property.

Returns:

the tool tip text for this property

wrapStreamableFilters

public static PreconstructedFilter wrapStreamableFilters(java.util.List<weka.filters.StreamableFilter> filters)
                                                  throws java.lang.Exception

Wraps a list of filters into a Preconstructed filter

Parameters:

filters - the filters to wrap

Returns:

a PreconstructedFilter

Throws:

java.lang.Exception - if a problem occurs

wrapStreamableFilters

public static PreconstructedFilter wrapStreamableFilters(java.lang.String[] options)
                                                  throws java.lang.Exception

Wraps specified filters into a Preconstructed filter

Parameters:

options - options specifying the filters to use

Returns:

a PreconstructedFilter or null if there are no usable StreamableFilters specified

Throws:

java.lang.Exception - if a problem occurs

listOptions

public static java.util.Enumeration<weka.core.Option> listOptions()

Return a list of options for this utility class

Returns:

a list of options

getFilterSpec

public static java.lang.String getFilterSpec(weka.filters.Filter f)

Create an option specification string for a filter

Parameters:

f - the filter

Returns:

the option spec

getOptions

public static java.lang.String[] getOptions(PreconstructedFilter filter)

Utility method to return an array of options representing the configuration of one or more filters wrapped in a PreconstructedFilter

Parameters:

filter - the PreconstructedFilter to generate a list of options for

Returns:

an array of options