ai.grakn.engine

Class HttpHandler

java.lang.Object

ai.grakn.engine.HttpHandler

public class HttpHandler
extends Object

Author:

Michele Orsi

Constructor Summary

Constructors

Constructor and Description
HttpHandler(GraknConfig prop, spark.Service spark, EngineGraknTxFactory factory, com.codahale.metrics.MetricRegistry metricRegistry, GraknEngineStatus graknEngineStatus, PostProcessor postProcessor, GrpcServer grpcServer, Collection<HttpController> additionalCollaborators)

Method Summary

Modifier and Type	Method and Description
static void	configureSpark(spark.Service spark, GraknConfig prop)
static void	configureSpark(spark.Service spark, String hostName, int port, Path staticFolder, int maxThreads)
protected static void	handleGraknServerError(ai.grakn.exception.GraknServerException exception, spark.Response response) Handle any GraknBackendException that are thrown by the server.
protected static void	handleInternalError(Exception exception, spark.Response response) Handle any exception thrown by the server
protected void	startCollaborators()
void	startHTTP()
void	stopHTTP()

Methods inherited from class java.lang.Object

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

Constructor Detail

HttpHandler

public HttpHandler(GraknConfig prop,
                   spark.Service spark,
                   EngineGraknTxFactory factory,
                   com.codahale.metrics.MetricRegistry metricRegistry,
                   GraknEngineStatus graknEngineStatus,
                   PostProcessor postProcessor,
                   GrpcServer grpcServer,
                   Collection<HttpController> additionalCollaborators)

Method Detail

startHTTP

public void startHTTP()

startCollaborators

protected void startCollaborators()

configureSpark

public static void configureSpark(spark.Service spark,
                                  GraknConfig prop)

configureSpark

public static void configureSpark(spark.Service spark,
                                  String hostName,
                                  int port,
                                  Path staticFolder,
                                  int maxThreads)

stopHTTP

public void stopHTTP()
              throws InterruptedException

Throws:

InterruptedException

handleGraknServerError

protected static void handleGraknServerError(ai.grakn.exception.GraknServerException exception,
                                             spark.Response response)

Handle any GraknBackendException that are thrown by the server. Configures and returns the correct JSON response.

Parameters:

exception - exception thrown by the server

response - response to the client

handleInternalError

protected static void handleInternalError(Exception exception,
                                          spark.Response response)

Handle any exception thrown by the server

Parameters:

exception - Exception by the server

response - response to the client