com.yahoo.bard.webservice.web.handlers

Interface DataRequestHandler

All Known Implementing Classes:

AsyncWebServiceRequestHandler, BaseDataRequestHandler, CacheRequestHandler, CacheV2RequestHandler, DateTimeSortRequestHandler, DebugRequestHandler, DruidPartialDataRequestHandler, EtagCacheRequestHandler, PaginationRequestHandler, PartialDataRequestHandler, SplitQueryRequestHandler, SqlRequestHandler, TopNMapperRequestHandler, VolatileDataRequestHandler, WebServiceHandler, WebServiceSelectorRequestHandler, WeightCheckRequestHandler

public interface DataRequestHandler

Data Request Handlers are links in a processing chain for Data requests. At each stage the handler is expected to do one of:

• write a response using a Response Processor
• delegate response processing synchronously to another Data Request Handler
• delegate the response asynchronously to response processing or another Data Request Handler

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.

Method Detail

handleRequest

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

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