BinnableInstances.StringAttributeGroupExtractor (adams-lts-pom 24.4.0-SNAPSHOT API)

java.lang.Object
- adams.data.binning.BinnableInstances.StringAttributeGroupExtractor

All Implemented Interfaces:

adams.data.binning.operation.Grouping.GroupExtractor<weka.core.Instance>, Serializable

Enclosing class:

BinnableInstances
```
public static class BinnableInstances.StringAttributeGroupExtractor
extends Object
implements adams.data.binning.operation.Grouping.GroupExtractor<weka.core.Instance>, Serializable
```
Group extractor for string attributes.

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 attribute 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

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`extractGroup(adams.data.binning.Binnable<weka.core.Instance> 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 attribute 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 attribute
    
    regExp - the regular expression to apply to the strings
    
    group - the regexp group to extract as group
- Method Detail
  - extractGroup
```
public String extractGroup(adams.data.binning.Binnable<weka.core.Instance> item)
```
    Extracts the group from the binnable object.
    
    Specified by:
    
    extractGroup in interface adams.data.binning.operation.Grouping.GroupExtractor<weka.core.Instance>
    
    Parameters:
    
    item - the item to extract the group from
    
    Returns:
    
    the extracted group