Package adams.data.binning

Class BinnableDataset.StringAttributeGroupExtractor

java.lang.Object

adams.data.binning.BinnableDataset.StringAttributeGroupExtractor

All Implemented Interfaces:

Grouping.GroupExtractor<DataRow>, Serializable

Enclosing class:

BinnableDataset

public static class BinnableDataset.StringAttributeGroupExtractor
extends Object
implements Grouping.GroupExtractor<DataRow>, Serializable

Group extractor for string columns.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected String	m_Group	the group to extract.
protected int	m_Index	the column index.
protected String	m_RegExp	the regular expression.

Constructor Summary

Constructors

Constructor	Description
StringAttributeGroupExtractor(int index, String regExp, String group)	Initializes the extractor.

Method Summary

Modifier and Type	Method	Description
String	extractGroup(Binnable<DataRow> item)	Extracts the group from the binnable object.

Methods inherited from class java.lang.Object

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

Field Detail

m_Index

protected int m_Index

the column index.

m_RegExp

protected String m_RegExp

the regular expression.

m_Group

protected String m_Group

the group to extract.

Constructor Detail

StringAttributeGroupExtractor

public StringAttributeGroupExtractor(int index,
                                     String regExp,
                                     String group)

Initializes the extractor.

Parameters:

index - the index (0-based) of the string column

regExp - the regular expression to apply to the strings

group - the regexp group to extract as group

Method Detail

extractGroup

public String extractGroup(Binnable<DataRow> item)

Extracts the group from the binnable object.

Specified by:

extractGroup in interface Grouping.GroupExtractor<DataRow>

Parameters:

item - the item to extract the group from

Returns:

the extracted group