io.druid.query.select

Class SelectQueryQueryToolChest

java.lang.Object

io.druid.query.QueryToolChest<Result<SelectResultValue>,SelectQuery>

io.druid.query.select.SelectQueryQueryToolChest

public class SelectQueryQueryToolChest
extends QueryToolChest<Result<SelectResultValue>,SelectQuery>

Constructor Summary

Constructors

Constructor and Description
SelectQueryQueryToolChest(QueryConfig config, com.fasterxml.jackson.databind.ObjectMapper jsonMapper)

Method Summary

Methods

Modifier and Type	Method and Description
CacheStrategy<Result<SelectResultValue>,Object,SelectQuery>	getCacheStrategy(SelectQuery query)
com.google.common.collect.Ordering<Result<SelectResultValue>>	getOrdering()
com.fasterxml.jackson.core.type.TypeReference<Result<SelectResultValue>>	getResultTypeReference()
com.metamx.emitter.service.ServiceMetricEvent.Builder	makeMetricBuilder(SelectQuery query)
com.google.common.base.Function<Result<SelectResultValue>,Result<SelectResultValue>>	makePreComputeManipulatorFn(SelectQuery query, MetricManipulationFn fn)
QueryRunner<Result<SelectResultValue>>	mergeResults(QueryRunner<Result<SelectResultValue>> queryRunner)
com.metamx.common.guava.Sequence<Result<SelectResultValue>>	mergeSequences(com.metamx.common.guava.Sequence<com.metamx.common.guava.Sequence<Result<SelectResultValue>>> seqOfSequences) This method doesn't belong here, but it's here for now just to make it work.
com.metamx.common.guava.Sequence<Result<SelectResultValue>>	mergeSequencesUnordered(com.metamx.common.guava.Sequence<com.metamx.common.guava.Sequence<Result<SelectResultValue>>> seqOfSequences)
QueryRunner<Result<SelectResultValue>>	preMergeQueryDecoration(QueryRunner<Result<SelectResultValue>> runner)

Methods inherited from class io.druid.query.QueryToolChest

filterSegments, makePostComputeManipulatorFn, postMergeQueryDecoration

Methods inherited from class java.lang.Object

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

Constructor Detail

SelectQueryQueryToolChest

@Inject
public SelectQueryQueryToolChest(QueryConfig config,
                                com.fasterxml.jackson.databind.ObjectMapper jsonMapper)

Method Detail

mergeResults

public QueryRunner<Result<SelectResultValue>> mergeResults(QueryRunner<Result<SelectResultValue>> queryRunner)

Specified by:

mergeResults in class QueryToolChest<Result<SelectResultValue>,SelectQuery>

mergeSequences

public com.metamx.common.guava.Sequence<Result<SelectResultValue>> mergeSequences(com.metamx.common.guava.Sequence<com.metamx.common.guava.Sequence<Result<SelectResultValue>>> seqOfSequences)

Description copied from class: QueryToolChest

This method doesn't belong here, but it's here for now just to make it work.

Specified by:

mergeSequences in class QueryToolChest<Result<SelectResultValue>,SelectQuery>

Parameters:

seqOfSequences - sequence of sequences to be merged

Returns:

the sequence of merged results

mergeSequencesUnordered

public com.metamx.common.guava.Sequence<Result<SelectResultValue>> mergeSequencesUnordered(com.metamx.common.guava.Sequence<com.metamx.common.guava.Sequence<Result<SelectResultValue>>> seqOfSequences)

Specified by:

mergeSequencesUnordered in class QueryToolChest<Result<SelectResultValue>,SelectQuery>

makeMetricBuilder

public com.metamx.emitter.service.ServiceMetricEvent.Builder makeMetricBuilder(SelectQuery query)

Specified by:

makeMetricBuilder in class QueryToolChest<Result<SelectResultValue>,SelectQuery>

makePreComputeManipulatorFn

public com.google.common.base.Function<Result<SelectResultValue>,Result<SelectResultValue>> makePreComputeManipulatorFn(SelectQuery query,
                                                                                                               MetricManipulationFn fn)

Specified by:

makePreComputeManipulatorFn in class QueryToolChest<Result<SelectResultValue>,SelectQuery>

getResultTypeReference

public com.fasterxml.jackson.core.type.TypeReference<Result<SelectResultValue>> getResultTypeReference()

Specified by:

getResultTypeReference in class QueryToolChest<Result<SelectResultValue>,SelectQuery>

getCacheStrategy

public CacheStrategy<Result<SelectResultValue>,Object,SelectQuery> getCacheStrategy(SelectQuery query)

Overrides:

getCacheStrategy in class QueryToolChest<Result<SelectResultValue>,SelectQuery>

preMergeQueryDecoration

public QueryRunner<Result<SelectResultValue>> preMergeQueryDecoration(QueryRunner<Result<SelectResultValue>> runner)

Overrides:

preMergeQueryDecoration in class QueryToolChest<Result<SelectResultValue>,SelectQuery>

getOrdering

public com.google.common.collect.Ordering<Result<SelectResultValue>> getOrdering()