com.yahoo.bard.webservice.web.responseprocessors

Class WeightCheckResponseProcessor

java.lang.Object

com.yahoo.bard.webservice.web.responseprocessors.WeightCheckResponseProcessor

All Implemented Interfaces:

ResponseProcessor

public class WeightCheckResponseProcessor
extends Object
implements ResponseProcessor

A response processor which wraps a timer around the outer most response processor only in the event of an error response.

Constructor Summary

Constructors

Constructor and Description
WeightCheckResponseProcessor(ResponseProcessor next) Constructor.

Method Summary

Modifier and Type	Method and Description
HttpErrorCallback	getErrorCallback(DruidAggregationQuery<?> druidQuery) Callback for handling http errors.
FailureCallback	getFailureCallback(DruidAggregationQuery<?> druidQuery) Callback handler for unexpected failures.
ResponseContext	getResponseContext() The response context allows state to be injected from construction and visible across response processor layers as necessary.
void	processResponse(com.fasterxml.jackson.databind.JsonNode json, DruidAggregationQuery<?> druidQuery, LoggingContext metadata) Process the response json and respond to the original web request.

Methods inherited from class java.lang.Object

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

Constructor Detail

WeightCheckResponseProcessor

public WeightCheckResponseProcessor(ResponseProcessor next)

Constructor.

Parameters:

next - The next ResponseProcessor in the chain to call

Method Detail

getResponseContext

public ResponseContext getResponseContext()

Description copied from interface: ResponseProcessor

The response context allows state to be injected from construction and visible across response processor layers as necessary.

Specified by:

getResponseContext in interface ResponseProcessor

Returns:

The context data

getFailureCallback

public FailureCallback getFailureCallback(DruidAggregationQuery<?> druidQuery)

Description copied from interface: ResponseProcessor

Callback handler for unexpected failures.

Specified by:

getFailureCallback in interface ResponseProcessor

Parameters:

druidQuery - The query associated with this failure

Returns:

The callback handler

getErrorCallback

public HttpErrorCallback getErrorCallback(DruidAggregationQuery<?> druidQuery)

Description copied from interface: ResponseProcessor

Callback for handling http errors.

Specified by:

getErrorCallback in interface ResponseProcessor

Parameters:

druidQuery - The query associated with this error

Returns:

The callback handler

processResponse

public void processResponse(com.fasterxml.jackson.databind.JsonNode json,
                            DruidAggregationQuery<?> druidQuery,
                            LoggingContext metadata)

Description copied from interface: ResponseProcessor

Process the response json and respond to the original web request.

Specified by:

processResponse in interface ResponseProcessor

Parameters:

json - The json representing a druid data response

druidQuery - The query with the schema for processing this response

metadata - The LoggingContext to use