com.linkedin.feathr.core.config.producer.derivations

Class KeyedFeature

java.lang.Object

com.linkedin.feathr.core.config.producer.derivations.KeyedFeature

Direct Known Subclasses:

BaseFeatureConfig

public class KeyedFeature
extends java.lang.Object

A tuple that specifies the key (single or composite) associated with a feature

Constructor Summary

Constructors

Constructor and Description
KeyedFeature(java.lang.String rawKeyExpr, java.lang.String feature) Constructor.

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
java.lang.String	getFeature()
java.util.List<java.lang.String>	getKey() Get the list of key String extracted from raw key expression
java.lang.String	getRawKeyExpr()
int	hashCode()
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

KeyedFeature

public KeyedFeature(java.lang.String rawKeyExpr,
                    java.lang.String feature)

Constructor. During construction, the input raw key expression will be extracted to a list of key String. For instance: - "x" will be converted to list ["x"]. - "[\"key1\", \"key2\"]" will be converted to list ["key1", "key2"] - "[key1, key2]" will be converted to ["key1", "key2"] also

Parameters:

rawKeyExpr - the raw key expression

feature - The name of the feature

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

getRawKeyExpr

public java.lang.String getRawKeyExpr()

getKey

public java.util.List<java.lang.String> getKey()

Get the list of key String extracted from raw key expression

getFeature

public java.lang.String getFeature()