io.druid.query.topn

Class TopNQuery

java.lang.Object

io.druid.query.BaseQuery<Result<TopNResultValue>>

io.druid.query.topn.TopNQuery

All Implemented Interfaces:

Query<Result<TopNResultValue>>

public class TopNQuery
extends BaseQuery<Result<TopNResultValue>>

Field Summary

Fields

Modifier and Type	Field and Description
static String	TOPN

Fields inherited from class io.druid.query.BaseQuery

QUERYID

Fields inherited from interface io.druid.query.Query

DATASOURCE_METADATA, GROUP_BY, SEARCH, SEGMENT_METADATA, SELECT, TIME_BOUNDARY, TIMESERIES

Constructor Summary

Constructors

Constructor and Description
TopNQuery(DataSource dataSource, DimensionSpec dimensionSpec, TopNMetricSpec topNMetricSpec, int threshold, QuerySegmentSpec querySegmentSpec, DimFilter dimFilter, QueryGranularity granularity, List<AggregatorFactory> aggregatorSpecs, List<PostAggregator> postAggregatorSpecs, Map<String,Object> context)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object o)
List<AggregatorFactory>	getAggregatorSpecs()
DimFilter	getDimensionsFilter()
DimensionSpec	getDimensionSpec()
QueryGranularity	getGranularity()
List<PostAggregator>	getPostAggregatorSpecs()
int	getThreshold()
TopNMetricSpec	getTopNMetricSpec()
String	getType()
boolean	hasFilters()
int	hashCode()
void	initTopNAlgorithmSelector(TopNAlgorithmSelector selector)
String	toString()
Query<Result<TopNResultValue>>	withDataSource(DataSource dataSource)
TopNQuery	withDimensionSpec(DimensionSpec spec)
TopNQuery	withOverriddenContext(Map<String,Object> contextOverrides)
TopNQuery	withPostAggregatorSpecs(List<PostAggregator> postAggregatorSpecs)
TopNQuery	withQuerySegmentSpec(QuerySegmentSpec querySegmentSpec)
TopNQuery	withThreshold(int threshold)

Methods inherited from class io.druid.query.BaseQuery

computeOverridenContext, getContext, getContextBySegment, getContextFinalize, getContextPopulateCache, getContextPriority, getContextUseCache, getContextValue, getContextValue, getDataSource, getDuration, getId, getIntervals, getQuerySegmentSpec, run, run, withId

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

TOPN

public static final String TOPN

See Also:

Constant Field Values

Constructor Detail

TopNQuery

public TopNQuery(DataSource dataSource,
         DimensionSpec dimensionSpec,
         TopNMetricSpec topNMetricSpec,
         int threshold,
         QuerySegmentSpec querySegmentSpec,
         DimFilter dimFilter,
         QueryGranularity granularity,
         List<AggregatorFactory> aggregatorSpecs,
         List<PostAggregator> postAggregatorSpecs,
         Map<String,Object> context)

Method Detail

hasFilters

public boolean hasFilters()

getType

public String getType()

getDimensionSpec

public DimensionSpec getDimensionSpec()

getTopNMetricSpec

public TopNMetricSpec getTopNMetricSpec()

getThreshold

public int getThreshold()

getDimensionsFilter

public DimFilter getDimensionsFilter()

getGranularity

public QueryGranularity getGranularity()

getAggregatorSpecs

public List<AggregatorFactory> getAggregatorSpecs()

getPostAggregatorSpecs

public List<PostAggregator> getPostAggregatorSpecs()

initTopNAlgorithmSelector

public void initTopNAlgorithmSelector(TopNAlgorithmSelector selector)

withQuerySegmentSpec

public TopNQuery withQuerySegmentSpec(QuerySegmentSpec querySegmentSpec)

withDimensionSpec

public TopNQuery withDimensionSpec(DimensionSpec spec)

withPostAggregatorSpecs

public TopNQuery withPostAggregatorSpecs(List<PostAggregator> postAggregatorSpecs)

withDataSource

public Query<Result<TopNResultValue>> withDataSource(DataSource dataSource)

withThreshold

public TopNQuery withThreshold(int threshold)

withOverriddenContext

public TopNQuery withOverriddenContext(Map<String,Object> contextOverrides)

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class BaseQuery<Result<TopNResultValue>>

hashCode

public int hashCode()

Overrides:

hashCode in class BaseQuery<Result<TopNResultValue>>