com.yahoo.bard.webservice.web.handlers

Class WebServiceSelectorRequestHandler

java.lang.Object

com.yahoo.bard.webservice.web.handlers.BaseDataRequestHandler

com.yahoo.bard.webservice.web.handlers.WebServiceSelectorRequestHandler

All Implemented Interfaces:

DataRequestHandler

public class WebServiceSelectorRequestHandler
extends BaseDataRequestHandler

The Webservice selector routes requests in one of several ways, described below.

• the default behavior which selects between a ui or a non-ui web service based on request headers
• a custom implementation of WebServiceHandlerSelector

Field Summary

Fields inherited from class com.yahoo.bard.webservice.web.handlers.BaseDataRequestHandler

mapper, writer

Constructor Summary

Constructors

Constructor and Description
WebServiceSelectorRequestHandler(DruidWebService webService, DataRequestHandler webserviceNext, com.fasterxml.jackson.databind.ObjectMapper mapper) Constructor.
WebServiceSelectorRequestHandler(WebServiceHandlerSelector handlerSelector, com.fasterxml.jackson.databind.ObjectMapper mapper) Constructor.

Method Summary

Modifier and Type	Method and Description
boolean	handleRequest(RequestContext context, DataApiRequest request, DruidAggregationQuery<?> druidQuery, ResponseProcessor response) Handle the response, passing the request down the chain as necessary.

Methods inherited from class java.lang.Object

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

Constructor Detail

WebServiceSelectorRequestHandler

public WebServiceSelectorRequestHandler(DruidWebService webService,
                                        DataRequestHandler webserviceNext,
                                        com.fasterxml.jackson.databind.ObjectMapper mapper)

Constructor.

Parameters:

webService - UI Web Service

webserviceNext - Handler for the UI path

mapper - Mapper to use when processing JSON

WebServiceSelectorRequestHandler

public WebServiceSelectorRequestHandler(WebServiceHandlerSelector handlerSelector,
                                        com.fasterxml.jackson.databind.ObjectMapper mapper)

Constructor.

Parameters:

handlerSelector - Handler selector to use when selecting a web service

mapper - Mapper to use when processing JSON

Method Detail

handleRequest

public boolean handleRequest(RequestContext context,
                             DataApiRequest request,
                             DruidAggregationQuery<?> druidQuery,
                             ResponseProcessor response)

Description copied from interface: DataRequestHandler

Handle the response, passing the request down the chain as necessary.

Parameters:

context - The context for the Request

request - The Api Request Object

druidQuery - The druid query

response - The Async response

Returns:

True if the async response has been processed or passed to a future for processing