io.druid.query.metadata

Class SegmentMetadataQueryQueryToolChest

java.lang.Object

io.druid.query.QueryToolChest<SegmentAnalysis,SegmentMetadataQuery>

io.druid.query.metadata.SegmentMetadataQueryQueryToolChest

public class SegmentMetadataQueryQueryToolChest
extends QueryToolChest<SegmentAnalysis,SegmentMetadataQuery>

Constructor Summary

Constructors

Constructor and Description
SegmentMetadataQueryQueryToolChest()

Method Summary

Methods

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

Methods inherited from class io.druid.query.QueryToolChest

filterSegments, makePostComputeManipulatorFn, postMergeQueryDecoration, preMergeQueryDecoration

Methods inherited from class java.lang.Object

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

Constructor Detail

SegmentMetadataQueryQueryToolChest

public SegmentMetadataQueryQueryToolChest()

Method Detail

mergeResults

public QueryRunner<SegmentAnalysis> mergeResults(QueryRunner<SegmentAnalysis> runner)

Specified by:

mergeResults in class QueryToolChest<SegmentAnalysis,SegmentMetadataQuery>

mergeSequences

public com.metamx.common.guava.Sequence<SegmentAnalysis> mergeSequences(com.metamx.common.guava.Sequence<com.metamx.common.guava.Sequence<SegmentAnalysis>> 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<SegmentAnalysis,SegmentMetadataQuery>

Parameters:

seqOfSequences - sequence of sequences to be merged

Returns:

the sequence of merged results

mergeSequencesUnordered

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

Specified by:

mergeSequencesUnordered in class QueryToolChest<SegmentAnalysis,SegmentMetadataQuery>

makeMetricBuilder

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

Specified by:

makeMetricBuilder in class QueryToolChest<SegmentAnalysis,SegmentMetadataQuery>

makePreComputeManipulatorFn

public com.google.common.base.Function<SegmentAnalysis,SegmentAnalysis> makePreComputeManipulatorFn(SegmentMetadataQuery query,
                                                                                           MetricManipulationFn fn)

Specified by:

makePreComputeManipulatorFn in class QueryToolChest<SegmentAnalysis,SegmentMetadataQuery>

getResultTypeReference

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

Specified by:

getResultTypeReference in class QueryToolChest<SegmentAnalysis,SegmentMetadataQuery>

getCacheStrategy

public CacheStrategy<SegmentAnalysis,SegmentAnalysis,SegmentMetadataQuery> getCacheStrategy(SegmentMetadataQuery query)

Overrides:

getCacheStrategy in class QueryToolChest<SegmentAnalysis,SegmentMetadataQuery>