io.druid.query

Interface QuerySegmentWalker

All Known Subinterfaces:

Appenderator

All Known Implementing Classes:

AppenderatorImpl, ClientQuerySegmentWalker, DirectClientQuerySegmentWalker, RealtimeManager, ServerManager, SinkQuerySegmentWalker, ThreadPoolTaskRunner

public interface QuerySegmentWalker

Method Summary

Modifier and Type	Method and Description
<T> QueryRunner<T>	getQueryRunnerForIntervals(Query<T> query, Iterable<org.joda.time.Interval> intervals) Gets the Queryable for a given interval, the Queryable returned can be any version(s) or partitionNumber(s) such that it represents the interval.
<T> QueryRunner<T>	getQueryRunnerForSegments(Query<T> query, Iterable<SegmentDescriptor> specs) Gets the Queryable for a given list of SegmentSpecs.

Method Detail

getQueryRunnerForIntervals

<T> QueryRunner<T> getQueryRunnerForIntervals(Query<T> query,
                                              Iterable<org.joda.time.Interval> intervals)

Gets the Queryable for a given interval, the Queryable returned can be any version(s) or partitionNumber(s) such that it represents the interval.

Type Parameters:

T - query result type

Parameters:

query - the query to find a Queryable for

intervals - the intervals to find a Queryable for

Returns:

a Queryable object that represents the interval

getQueryRunnerForSegments

<T> QueryRunner<T> getQueryRunnerForSegments(Query<T> query,
                                             Iterable<SegmentDescriptor> specs)

Gets the Queryable for a given list of SegmentSpecs.

Type Parameters:

T - the query result type

Parameters:

query - the query to return a Queryable for

specs - the list of SegmentSpecs to find a Queryable for

Returns:

the Queryable object with the given SegmentSpecs