Package org.apache.solr.ltr

Class CSVFeatureLogger

java.lang.Object

org.apache.solr.ltr.FeatureLogger

org.apache.solr.ltr.CSVFeatureLogger

public class CSVFeatureLogger
extends FeatureLogger

A feature logger that logs in csv format.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.solr.ltr.FeatureLogger

FeatureLogger.FeatureFormat

Field Summary

Fields

Modifier and Type	Field	Description
static final char	DEFAULT_FEATURE_SEPARATOR
static final char	DEFAULT_KEY_VALUE_SEPARATOR

Fields inherited from class org.apache.solr.ltr.FeatureLogger

featureFormat, logAll, logFeatures

Constructor Summary

Constructors

Constructor	Description
CSVFeatureLogger(FeatureLogger.FeatureFormat f, Boolean logAll)
CSVFeatureLogger(FeatureLogger.FeatureFormat f, Boolean logAll, char keyValueSep, char featureSep)

Method Summary

Modifier and Type	Method	Description
String	printFeatureVector(LTRScoringQuery.FeatureInfo[] featuresInfo)

Methods inherited from class org.apache.solr.ltr.FeatureLogger

isLogFeatures, isLoggingAll, setLogAll, setLogFeatures

Methods inherited from class java.lang.Object

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

Field Details

DEFAULT_KEY_VALUE_SEPARATOR

public static final char DEFAULT_KEY_VALUE_SEPARATOR

See Also:

• Constant Field Values

DEFAULT_FEATURE_SEPARATOR

public static final char DEFAULT_FEATURE_SEPARATOR

See Also:

• Constant Field Values

Constructor Details

CSVFeatureLogger

public CSVFeatureLogger(FeatureLogger.FeatureFormat f,
 Boolean logAll)

CSVFeatureLogger

public CSVFeatureLogger(FeatureLogger.FeatureFormat f,
 Boolean logAll,
 char keyValueSep,
 char featureSep)

Method Details

printFeatureVector

public String printFeatureVector(LTRScoringQuery.FeatureInfo[] featuresInfo)

Specified by:

printFeatureVector in class FeatureLogger