Package org.apache.druid.segment.incremental

Class OnheapIncrementalIndex

java.lang.Object

org.apache.druid.segment.incremental.IncrementalIndex

org.apache.druid.segment.incremental.OnheapIncrementalIndex

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<Row>, Expr.InputBindingInspector, ColumnInspector

public class OnheapIncrementalIndex
extends IncrementalIndex

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	OnheapIncrementalIndex.Builder
static class	OnheapIncrementalIndex.Spec

Nested classes/interfaces inherited from class org.apache.druid.segment.incremental.IncrementalIndex

IncrementalIndex.DimensionDesc, IncrementalIndex.MetricDesc

Field Summary

Fields

Modifier and Type	Field	Description
protected long	maxBytesInMemory
protected int	maxRowCount

Fields inherited from class org.apache.druid.segment.incremental.IncrementalIndex

preserveExistingMetrics

Method Summary

Modifier and Type	Method	Description
protected org.apache.druid.segment.incremental.IncrementalIndex.AddToFactsResult	addToFacts(InputRow row, IncrementalIndexRow key, ThreadLocal<InputRow> rowContainer, com.google.common.base.Supplier<InputRow> rowSupplier, boolean skipMaxRowsInMemoryCheck)
boolean	canAppendRow()
void	close()	Clear out maps to allow GC NOTE: This is NOT thread-safe with add...
protected Aggregator[]	concurrentGet(int offset)
protected void	concurrentRemove(int offset)
protected void	concurrentSet(int offset, Aggregator[] value)
protected Aggregator[]	getAggsForRow(int rowOffset)
org.apache.druid.segment.incremental.IncrementalIndex.FactsHolder	getFacts()
int	getLastRowIndex()
protected double	getMetricDoubleValue(int rowOffset, int aggOffset)
float	getMetricFloatValue(int rowOffset, int aggOffset)
long	getMetricLongValue(int rowOffset, int aggOffset)
Object	getMetricObjectValue(int rowOffset, int aggOffset)
String	getOutOfRowsReason()
protected void	initAggs(AggregatorFactory[] metrics, com.google.common.base.Supplier<InputRow> rowSupplier, boolean deserializeComplexMetrics, boolean concurrentEventAdd)
boolean	isNull(int rowOffset, int aggOffset)
Iterable<Row>	iterableWithPostAggregations(List<PostAggregator> postAggs, boolean descending)

Methods inherited from class org.apache.druid.segment.incremental.IncrementalIndex

add, add, dimsComparator, formatRow, getBytesInMemory, getColumnCapabilities, getColumnFormat, getColumnFormats, getColumnNames, getCombinedParseException, getDimension, getDimensionIndex, getDimensionNames, getDimensionOrder, getDimensions, getDimensionsSpec, getInterval, getMaxIngestedEventTime, getMaxTime, getMetadata, getMetricAggs, getMetricNames, getMinTime, isEmpty, isRollup, iterator, loadDimensionIterable, makeColumnSelectorFactory, makeColumnSelectorFactory, makeDefaultCapabilitiesFromValueType, makeMetricColumnValueSelector, size

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.druid.segment.ColumnInspector

getColumnCapabilitiesWithDefault, getType

Methods inherited from interface org.apache.druid.math.expr.Expr.InputBindingInspector

areNumeric, areNumeric, areSameTypes, areSameTypes, areScalar, areScalar, canVectorize, canVectorize

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

maxRowCount

protected final int maxRowCount

maxBytesInMemory

protected final long maxBytesInMemory

Method Detail

getFacts

public org.apache.druid.segment.incremental.IncrementalIndex.FactsHolder getFacts()

Specified by:

getFacts in class IncrementalIndex

initAggs

protected void initAggs(AggregatorFactory[] metrics,
                        com.google.common.base.Supplier<InputRow> rowSupplier,
                        boolean deserializeComplexMetrics,
                        boolean concurrentEventAdd)

Specified by:

initAggs in class IncrementalIndex

addToFacts

protected org.apache.druid.segment.incremental.IncrementalIndex.AddToFactsResult addToFacts(InputRow row,
                                                                                            IncrementalIndexRow key,
                                                                                            ThreadLocal<InputRow> rowContainer,
                                                                                            com.google.common.base.Supplier<InputRow> rowSupplier,
                                                                                            boolean skipMaxRowsInMemoryCheck)
                                                                                     throws IndexSizeExceededException

Specified by:

addToFacts in class IncrementalIndex

Throws:

IndexSizeExceededException

getLastRowIndex

public int getLastRowIndex()

Specified by:

getLastRowIndex in class IncrementalIndex

concurrentGet

protected Aggregator[] concurrentGet(int offset)

concurrentSet

protected void concurrentSet(int offset,
                             Aggregator[] value)

concurrentRemove

protected void concurrentRemove(int offset)

canAppendRow

public boolean canAppendRow()

Specified by:

canAppendRow in class IncrementalIndex

getOutOfRowsReason

public String getOutOfRowsReason()

Specified by:

getOutOfRowsReason in class IncrementalIndex

getAggsForRow

protected Aggregator[] getAggsForRow(int rowOffset)

getMetricFloatValue

public float getMetricFloatValue(int rowOffset,
                                 int aggOffset)

Specified by:

getMetricFloatValue in class IncrementalIndex

getMetricLongValue

public long getMetricLongValue(int rowOffset,
                               int aggOffset)

Specified by:

getMetricLongValue in class IncrementalIndex

getMetricObjectValue

public Object getMetricObjectValue(int rowOffset,
                                   int aggOffset)

Specified by:

getMetricObjectValue in class IncrementalIndex

getMetricDoubleValue

protected double getMetricDoubleValue(int rowOffset,
                                      int aggOffset)

Specified by:

getMetricDoubleValue in class IncrementalIndex

isNull

public boolean isNull(int rowOffset,
                      int aggOffset)

Specified by:

isNull in class IncrementalIndex

iterableWithPostAggregations

public Iterable<Row> iterableWithPostAggregations(@Nullable
                                                  List<PostAggregator> postAggs,
                                                  boolean descending)

Specified by:

iterableWithPostAggregations in class IncrementalIndex

close

public void close()

Clear out maps to allow GC NOTE: This is NOT thread-safe with add... so make sure all the adding is DONE before closing

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Overrides:

close in class IncrementalIndex