io.druid.query.groupby

Class GroupByQueryQueryToolChest

java.lang.Object

io.druid.query.QueryToolChest<io.druid.data.input.Row,GroupByQuery>

io.druid.query.groupby.GroupByQueryQueryToolChest

public class GroupByQueryQueryToolChest
extends QueryToolChest<io.druid.data.input.Row,GroupByQuery>

Constructor Summary

Constructors

Constructor and Description
GroupByQueryQueryToolChest(com.google.common.base.Supplier<GroupByQueryConfig> configSupplier, com.fasterxml.jackson.databind.ObjectMapper jsonMapper, GroupByQueryEngine engine, StupidPool<ByteBuffer> bufferPool)

Method Summary

Methods

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

GroupByQueryQueryToolChest

@Inject
public GroupByQueryQueryToolChest(com.google.common.base.Supplier<GroupByQueryConfig> configSupplier,
                                 com.fasterxml.jackson.databind.ObjectMapper jsonMapper,
                                 GroupByQueryEngine engine,
                                 StupidPool<ByteBuffer> bufferPool)

Method Detail

mergeResults

public QueryRunner<io.druid.data.input.Row> mergeResults(QueryRunner<io.druid.data.input.Row> runner)

Specified by:

mergeResults in class QueryToolChest<io.druid.data.input.Row,GroupByQuery>

mergeSequences

public com.metamx.common.guava.Sequence<io.druid.data.input.Row> mergeSequences(com.metamx.common.guava.Sequence<com.metamx.common.guava.Sequence<io.druid.data.input.Row>> 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<io.druid.data.input.Row,GroupByQuery>

Parameters:

seqOfSequences - sequence of sequences to be merged

Returns:

the sequence of merged results

mergeSequencesUnordered

public com.metamx.common.guava.Sequence<io.druid.data.input.Row> mergeSequencesUnordered(com.metamx.common.guava.Sequence<com.metamx.common.guava.Sequence<io.druid.data.input.Row>> seqOfSequences)

Specified by:

mergeSequencesUnordered in class QueryToolChest<io.druid.data.input.Row,GroupByQuery>

makeMetricBuilder

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

Specified by:

makeMetricBuilder in class QueryToolChest<io.druid.data.input.Row,GroupByQuery>

makePreComputeManipulatorFn

public com.google.common.base.Function<io.druid.data.input.Row,io.druid.data.input.Row> makePreComputeManipulatorFn(GroupByQuery query,
                                                                                                           MetricManipulationFn fn)

Specified by:

makePreComputeManipulatorFn in class QueryToolChest<io.druid.data.input.Row,GroupByQuery>

getResultTypeReference

public com.fasterxml.jackson.core.type.TypeReference<io.druid.data.input.Row> getResultTypeReference()

Specified by:

getResultTypeReference in class QueryToolChest<io.druid.data.input.Row,GroupByQuery>

preMergeQueryDecoration

public QueryRunner<io.druid.data.input.Row> preMergeQueryDecoration(QueryRunner<io.druid.data.input.Row> runner)

Overrides:

preMergeQueryDecoration in class QueryToolChest<io.druid.data.input.Row,GroupByQuery>

getCacheStrategy

public CacheStrategy<io.druid.data.input.Row,Object,GroupByQuery> getCacheStrategy(GroupByQuery query)

Overrides:

getCacheStrategy in class QueryToolChest<io.druid.data.input.Row,GroupByQuery>