io.druid.java.util.common

Interface Cacheable

All Known Subinterfaces:

DimensionSpec, DimFilter, HavingSpec, LimitSpec, PostAggregator, TopNMetricSpec, VirtualColumn

All Known Implementing Classes:

AggregatorFactory, AllGranularity, AlphaNumericTopNMetricSpec, AlwaysHavingSpec, AndDimFilter, AndHavingSpec, ApproximateHistogramAggregatorFactory, ApproximateHistogramFoldingAggregatorFactory, ApproximateHistogramPostAggregator, ArithmeticPostAggregator, BaseFilteredDimensionSpec, BaseHavingSpec, BoundDimFilter, BucketsPostAggregator, CardinalityAggregatorFactory, ConstantPostAggregator, CountAggregatorFactory, CustomBucketsPostAggregator, DefaultDimensionSpec, DefaultLimitSpec, DimensionSelectorHavingSpec, DimensionTopNMetricSpec, DimFilterHavingSpec, DistinctCountAggregatorFactory, DoubleFirstAggregatorFactory, DoubleGreatestPostAggregator, DoubleLastAggregatorFactory, DoubleLeastPostAggregator, DoubleMaxAggregatorFactory, DoubleMinAggregatorFactory, DoubleSumAggregatorFactory, DurationGranularity, EqualBucketsPostAggregator, EqualToHavingSpec, ExpressionPostAggregator, ExpressionVirtualColumn, ExtractionDimensionSpec, ExtractionDimFilter, FieldAccessPostAggregator, FilteredAggregatorFactory, FinalizingFieldAccessPostAggregator, Granularity, GreaterThanHavingSpec, HistogramAggregatorFactory, HyperUniqueFinalizingPostAggregator, HyperUniquesAggregatorFactory, InDimFilter, IntervalDimFilter, InvertedTopNMetricSpec, JavaScriptAggregatorFactory, JavaScriptDimFilter, JavaScriptPostAggregator, LegacyDimensionSpec, LegacyTopNMetricSpec, LessThanHavingSpec, LexicographicTopNMetricSpec, LikeDimFilter, ListFilteredDimensionSpec, LongFirstAggregatorFactory, LongGreatestPostAggregator, LongLastAggregatorFactory, LongLeastPostAggregator, LongMaxAggregatorFactory, LongMinAggregatorFactory, LongSumAggregatorFactory, LookupDimensionSpec, MapVirtualColumn, MaxPostAggregator, MinPostAggregator, NeverHavingSpec, NoneGranularity, NoopDimFilter, NoopLimitSpec, NotDimFilter, NotHavingSpec, NumericTopNMetricSpec, OldSketchBuildAggregatorFactory, OldSketchEstimatePostAggregator, OldSketchMergeAggregatorFactory, OldSketchSetPostAggregator, OrDimFilter, OrHavingSpec, PeriodGranularity, QuantilePostAggregator, QuantilesPostAggregator, RegexDimFilter, RegexFilteredDimensionSpec, SearchQueryDimFilter, SelectorDimFilter, SketchAggregatorFactory, SketchEstimatePostAggregator, SketchMergeAggregatorFactory, SketchSetPostAggregator, SpatialDimFilter, StandardDeviationPostAggregator, TimestampAggregatorFactory, TimestampMaxAggregatorFactory, TimestampMinAggregatorFactory, VarianceAggregatorFactory, VarianceFoldingAggregatorFactory, VirtualColumns

public interface Cacheable

Method Summary

Modifier and Type	Method and Description
byte[]	getCacheKey() Get a byte array used as a cache key.

Method Detail

getCacheKey

byte[] getCacheKey()

Get a byte array used as a cache key.

Returns:

a cache key