com.yahoo.bard.webservice.web.handlers

Class SqlRequestHandler

java.lang.Object

com.yahoo.bard.webservice.web.handlers.SqlRequestHandler

All Implemented Interfaces:

DataRequestHandler

public class SqlRequestHandler
extends Object
implements DataRequestHandler

A handler for queries made against a sql backend.

Field Summary

Fields

Modifier and Type	Field and Description
static String	DATABASE_DRIVER
static String	DATABASE_PASSWORD
static String	DATABASE_URL
static String	DATABASE_USERNAME
static SystemConfig	SYSTEM_CONFIG

Constructor Summary

Constructors

Constructor and Description
SqlRequestHandler(DataRequestHandler next, 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) Handles a request by detecting if it's a sql backed table and sending to a sql backend.

Methods inherited from class java.lang.Object

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

Field Detail

SYSTEM_CONFIG

public static final SystemConfig SYSTEM_CONFIG

DATABASE_PASSWORD

public static final String DATABASE_PASSWORD

DATABASE_USERNAME

public static final String DATABASE_USERNAME

DATABASE_DRIVER

public static final String DATABASE_DRIVER

DATABASE_URL

public static final String DATABASE_URL

Constructor Detail

SqlRequestHandler

public SqlRequestHandler(DataRequestHandler next,
                         com.fasterxml.jackson.databind.ObjectMapper mapper)

Constructor.

Parameters:

next - Next Handler in the chain

mapper - The mapper for all JSON processing

Method Detail

handleRequest

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

Handles a request by detecting if it's a sql backed table and sending to a sql backend.

Specified by:

handleRequest in interface DataRequestHandler

Parameters:

context - The context for the Request.

request - The Api Request Object.

druidQuery - The druid query.

response - The Async response.

Returns:

true if request was handled.