Uses of Interface
io.druid.segment.Cursor

Packages that use Cursor

Package	Description
io.druid.query
io.druid.query.topn
io.druid.query.topn.types
io.druid.segment
io.druid.segment.historical
io.druid.segment.incremental

Uses of Cursor in io.druid.query

Method parameters in io.druid.query with type arguments of type Cursor

Modifier and Type	Method and Description
static <T> Sequence<Result<T>>	QueryRunnerHelper.makeCursorBasedQuery(StorageAdapter adapter, List<org.joda.time.Interval> queryIntervals, Filter filter, VirtualColumns virtualColumns, boolean descending, Granularity granularity, com.google.common.base.Function<Cursor,Result<T>> mapFn)

Uses of Cursor in io.druid.query.topn

Methods in io.druid.query.topn that return Cursor

Modifier and Type	Method and Description
Cursor	TopNParams.getCursor()

Methods in io.druid.query.topn with parameters of type Cursor

Modifier and Type	Method and Description
Result<TopNResultValue>	TopNMapFn.apply(Cursor cursor, TopNQueryMetrics queryMetrics)
void	TopNQueryMetrics.cursor(Cursor cursor) This method is called exactly once with each cursor, processed for the query.
void	DefaultTopNQueryMetrics.cursor(Cursor cursor)
static Aggregator[]	BaseTopNAlgorithm.makeAggregators(Cursor cursor, List<AggregatorFactory> aggregatorSpecs)
protected static BufferAggregator[]	BaseTopNAlgorithm.makeBufferAggregators(Cursor cursor, List<AggregatorFactory> aggregatorSpecs)
TopNParams	TopNAlgorithm.makeInitParams(ColumnSelectorPlus<TopNColumnSelectorStrategy> selectorPlus, Cursor cursor)
TopNParams	DimExtractionTopNAlgorithm.makeInitParams(ColumnSelectorPlus<TopNColumnSelectorStrategy> selectorPlus, Cursor cursor)
TopNParams	TimeExtractionTopNAlgorithm.makeInitParams(ColumnSelectorPlus selectorPlus, Cursor cursor)
PooledTopNAlgorithm.PooledTopNParams	PooledTopNAlgorithm.makeInitParams(ColumnSelectorPlus selectorPlus, Cursor cursor)
TopNParams	AggregateTopNMetricFirstAlgorithm.makeInitParams(ColumnSelectorPlus selectorPlus, Cursor cursor)
long	Generic2AggPooledTopNScannerPrototype.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator1, int aggregator1Size, BufferAggregator aggregator2, int aggregator2Size, Cursor cursor, int[] positions, ByteBuffer resultsBuffer) Any changes to this method should be coordinated with TopNUtils, PooledTopNAlgorithm.computeSpecializedScanAndAggregateImplementations() and downstream methods.
long	Generic2AggPooledTopNScanner.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator1, int aggregator1Size, BufferAggregator aggregator2, int aggregator2Size, Cursor cursor, int[] positions, ByteBuffer resultsBuffer)
long	Generic1AggPooledTopNScannerPrototype.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator, int aggregatorSize, Cursor cursor, int[] positions, ByteBuffer resultsBuffer) Any changes to this method should be coordinated with TopNUtils, PooledTopNAlgorithm.computeSpecializedScanAndAggregateImplementations() and downstream methods.
long	Generic1AggPooledTopNScanner.scanAndAggregate(DimensionSelector dimensionSelector, BufferAggregator aggregator, int aggregatorSize, Cursor cursor, int[] positions, ByteBuffer resultsBuffer)
PooledTopNAlgorithm.PooledTopNParams.Builder	PooledTopNAlgorithm.PooledTopNParams.Builder.withCursor(Cursor cursor)

Constructors in io.druid.query.topn with parameters of type Cursor

Constructor and Description
PooledTopNParams(ColumnSelectorPlus selectorPlus, Cursor cursor, ResourceHolder<ByteBuffer> resultsBufHolder, ByteBuffer resultsBuf, int[] aggregatorSizes, int numBytesPerRecord, int numValuesPerPass, TopNMetricSpecBuilder<int[]> arrayProvider)
TopNParams(ColumnSelectorPlus<TopNColumnSelectorStrategy> selectorPlus, Cursor cursor, int numValuesPerPass)

Uses of Cursor in io.druid.query.topn.types

Methods in io.druid.query.topn.types with parameters of type Cursor

Modifier and Type	Method and Description
long	StringTopNColumnSelectorStrategy.dimExtractionScanAndAggregate(TopNQuery query, DimensionSelector selector, Cursor cursor, Aggregator[][] rowSelector, Map<String,Aggregator[]> aggregatesStore)
long	TopNColumnSelectorStrategy.dimExtractionScanAndAggregate(TopNQuery query, ValueSelectorType selector, Cursor cursor, Aggregator[][] rowSelector, DimExtractionAggregateStoreType aggregatesStore) Used by DimExtractionTopNAlgorithm.

Uses of Cursor in io.druid.segment

Methods in io.druid.segment that return types with arguments of type Cursor

Modifier and Type	Method and Description
Sequence<Cursor>	QueryableIndexStorageAdapter.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)
Sequence<Cursor>	CursorFactory.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)

Uses of Cursor in io.druid.segment.historical

Subinterfaces of Cursor in io.druid.segment.historical

Modifier and Type	Interface and Description
interface	HistoricalCursor

Uses of Cursor in io.druid.segment.incremental

Methods in io.druid.segment.incremental that return types with arguments of type Cursor

Modifier and Type	Method and Description
Sequence<Cursor>	IncrementalIndexStorageAdapter.makeCursors(Filter filter, org.joda.time.Interval interval, VirtualColumns virtualColumns, Granularity gran, boolean descending, QueryMetrics<?> queryMetrics)