org.apache.hudi.timeline.service

Class RequestHandler

java.lang.Object

org.apache.hudi.timeline.service.RequestHandler

public class RequestHandler
extends Object

Main REST Handler class that handles and delegates calls to timeline relevant handlers.

Constructor Summary

Constructors

Constructor and Description
RequestHandler(io.javalin.Javalin app, org.apache.hadoop.conf.Configuration conf, TimelineService.Config timelineServiceConfig, HoodieEngineContext hoodieEngineContext, org.apache.hadoop.fs.FileSystem fileSystem, FileSystemViewManager viewManager)

Method Summary

Modifier and Type	Method and Description
static String	jsonifyResult(io.javalin.http.Context ctx, Object obj, Registry metricsRegistry, com.fasterxml.jackson.databind.ObjectMapper objectMapper, org.apache.log4j.Logger logger) Serializes the result into JSON String.
void	register()
void	stop()

Methods inherited from class java.lang.Object

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

Constructor Detail

RequestHandler

public RequestHandler(io.javalin.Javalin app,
                      org.apache.hadoop.conf.Configuration conf,
                      TimelineService.Config timelineServiceConfig,
                      HoodieEngineContext hoodieEngineContext,
                      org.apache.hadoop.fs.FileSystem fileSystem,
                      FileSystemViewManager viewManager)
               throws IOException

Throws:

IOException

Method Detail

jsonifyResult

public static String jsonifyResult(io.javalin.http.Context ctx,
                                   Object obj,
                                   Registry metricsRegistry,
                                   com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                                   org.apache.log4j.Logger logger)
                            throws com.fasterxml.jackson.core.JsonProcessingException

Serializes the result into JSON String.

Parameters:

ctx - Javalin context

obj - object to serialize

metricsRegistry - Registry instance for storing metrics

objectMapper - JSON object mapper

logger - Logger instance

Returns:

JSON String from the input object

Throws:

com.fasterxml.jackson.core.JsonProcessingException

register

public void register()

stop

public void stop()