Package org.apache.druid.query.topn
Class InvertedTopNMetricSpec
- java.lang.Object
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- org.apache.druid.query.topn.InvertedTopNMetricSpec
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- All Implemented Interfaces:
Cacheable
,TopNMetricSpec
public class InvertedTopNMetricSpec extends Object implements TopNMetricSpec
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Constructor Summary
Constructors Constructor Description InvertedTopNMetricSpec(TopNMetricSpec delegate)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
canBeOptimizedUnordered()
<T> TopNMetricSpecBuilder<T>
configureOptimizer(TopNMetricSpecBuilder<T> builder)
boolean
equals(Object o)
byte[]
getCacheKey()
Get a byte array used as a cache key.Comparator
getComparator(List<AggregatorFactory> aggregatorSpecs, List<PostAggregator> postAggregatorSpecs)
TopNMetricSpec
getDelegate()
String
getMetricName(DimensionSpec dimSpec)
TopNResultBuilder
getResultBuilder(org.joda.time.DateTime timestamp, DimensionSpec dimSpec, int threshold, Comparator comparator, List<AggregatorFactory> aggFactories, List<PostAggregator> postAggs)
int
hashCode()
void
initTopNAlgorithmSelector(TopNAlgorithmSelector selector)
String
toString()
void
verifyPreconditions(List<AggregatorFactory> aggregatorSpecs, List<PostAggregator> postAggregatorSpecs)
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Constructor Detail
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InvertedTopNMetricSpec
public InvertedTopNMetricSpec(TopNMetricSpec delegate)
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Method Detail
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verifyPreconditions
public void verifyPreconditions(List<AggregatorFactory> aggregatorSpecs, List<PostAggregator> postAggregatorSpecs)
- Specified by:
verifyPreconditions
in interfaceTopNMetricSpec
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getDelegate
public TopNMetricSpec getDelegate()
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getComparator
public Comparator getComparator(List<AggregatorFactory> aggregatorSpecs, List<PostAggregator> postAggregatorSpecs)
- Specified by:
getComparator
in interfaceTopNMetricSpec
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getResultBuilder
public TopNResultBuilder getResultBuilder(org.joda.time.DateTime timestamp, DimensionSpec dimSpec, int threshold, Comparator comparator, List<AggregatorFactory> aggFactories, List<PostAggregator> postAggs)
- Specified by:
getResultBuilder
in interfaceTopNMetricSpec
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getCacheKey
public byte[] getCacheKey()
Description copied from interface:Cacheable
Get a byte array used as a cache key.- Specified by:
getCacheKey
in interfaceCacheable
- Returns:
- a cache key
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configureOptimizer
public <T> TopNMetricSpecBuilder<T> configureOptimizer(TopNMetricSpecBuilder<T> builder)
- Specified by:
configureOptimizer
in interfaceTopNMetricSpec
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initTopNAlgorithmSelector
public void initTopNAlgorithmSelector(TopNAlgorithmSelector selector)
- Specified by:
initTopNAlgorithmSelector
in interfaceTopNMetricSpec
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getMetricName
public String getMetricName(DimensionSpec dimSpec)
- Specified by:
getMetricName
in interfaceTopNMetricSpec
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canBeOptimizedUnordered
public boolean canBeOptimizedUnordered()
- Specified by:
canBeOptimizedUnordered
in interfaceTopNMetricSpec
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