io.wizzie.normalizer.funcs.impl

Class ClassificationMapper

java.lang.Object

io.wizzie.normalizer.funcs.MapperFunction

io.wizzie.normalizer.funcs.impl.ClassificationMapper

All Implemented Interfaces:

Function<org.apache.kafka.streams.KeyValue<String,Map<String,Object>>>, org.apache.kafka.streams.kstream.KeyValueMapper<String,Map<String,Object>,org.apache.kafka.streams.KeyValue<String,Map<String,Object>>>

public class ClassificationMapper
extends MapperFunction

Constructor Summary

Constructors

Constructor and Description
ClassificationMapper()

Method Summary

Modifier and Type	Method and Description
void	prepare(Map<String,Object> properties, io.wizzie.metrics.MetricsManager metricsManager) Initialize function, this method is implemented by the users to for example: initiate variables, load config, open DB connections.
org.apache.kafka.streams.KeyValue<String,Map<String,Object>>	process(String key, Map<String,Object> value) Main logic of function
void	stop() Stop function, this method is implemented by the users to for example: close DB connection

Methods inherited from class io.wizzie.normalizer.funcs.MapperFunction

apply, init

Methods inherited from class java.lang.Object

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

Constructor Detail

ClassificationMapper

public ClassificationMapper()

Method Detail

prepare

public void prepare(Map<String,Object> properties,
                    io.wizzie.metrics.MetricsManager metricsManager)

Description copied from interface: Function

Initialize function, this method is implemented by the users to for example: initiate variables, load config, open DB connections.

Parameters:

properties - Properties for function

metricsManager - MetricsManager object for function

process

public org.apache.kafka.streams.KeyValue<String,Map<String,Object>> process(String key,
                                                                            Map<String,Object> value)

Description copied from interface: Function

Main logic of function

Parameters:

key - The key of Kafka message

value - The value of Kafka message

Returns:

Returned value

stop

public void stop()

Description copied from interface: Function

Stop function, this method is implemented by the users to for example: close DB connection