com.yahoo.bard.webservice.table.resolver

Interface PhysicalTableResolver

All Known Implementing Classes:

BasePhysicalTableResolver, DefaultPhysicalTableResolver

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface PhysicalTableResolver

Physical table resolver selects the best physical table that satisfied a query (if any) from a supply of candidate physical tables.

Method Summary

Modifier and Type	Method and Description
PhysicalTable	resolve(Collection<PhysicalTable> candidateTables, QueryPlanningConstraint requestConstraint) Choose the best fit Physical Table from a table group.

Method Detail

resolve

PhysicalTable resolve(Collection<PhysicalTable> candidateTables,
                      QueryPlanningConstraint requestConstraint)
               throws NoMatchFoundException

Choose the best fit Physical Table from a table group.

Parameters:

candidateTables - The tables being considered for match

requestConstraint - Contains the request constraints extracted from DataApiRequest and TemplateDruidQuery

Returns:

The table, if any, that satisfies all criteria and best matches the query

Throws:

NoMatchFoundException - if there is no matching physical table in the table group