Package org.apache.druid.data.input.impl

Class AggregateProjectionSpec

java.lang.Object

org.apache.druid.data.input.impl.AggregateProjectionSpec

public class AggregateProjectionSpec
extends Object

API type to specify an aggregating projection on IncrementalIndexSchema

Decorated with JsonTypeInfo annotations as a future-proofing mechanism in the event we add other types of projections and need to extract out a base interface from this class.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	AggregateProjectionSpec.Builder

Field Summary

Fields

Modifier and Type	Field	Description
static final String	TYPE_NAME

Constructor Summary

Constructors

Constructor	Description
AggregateProjectionSpec(String name, DimFilter filter, VirtualColumns virtualColumns, List<DimensionSchema> groupingColumns, AggregatorFactory[] aggregators)

Method Summary

Modifier and Type	Method	Description
static AggregateProjectionSpec.Builder	builder()
static AggregateProjectionSpec.Builder	builder(String name)
static AggregateProjectionSpec.Builder	builder(AggregateProjectionSpec spec)
boolean	equals(Object o)
AggregatorFactory[]	getAggregators()
DimFilter	getFilter()
List<DimensionSchema>	getGroupingColumns()
String	getName()
List<OrderBy>	getOrdering()
VirtualColumns	getVirtualColumns()
int	hashCode()
AggregateProjectionMetadata.Schema	toMetadataSchema()
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

TYPE_NAME

public static final String TYPE_NAME

See Also:

• Constant Field Values

Constructor Details

AggregateProjectionSpec

public AggregateProjectionSpec(String name,
 @Nullable
 DimFilter filter,
 @Nullable
 VirtualColumns virtualColumns,
 @Nullable
 List<DimensionSchema> groupingColumns,
 @Nullable
 AggregatorFactory[] aggregators)

Method Details

builder

public static AggregateProjectionSpec.Builder builder()

builder

public static AggregateProjectionSpec.Builder builder(String name)

builder

public static AggregateProjectionSpec.Builder builder(AggregateProjectionSpec spec)

getName

public String getName()

getFilter

@Nullable
public DimFilter getFilter()

getVirtualColumns

public VirtualColumns getVirtualColumns()

getGroupingColumns

public List<DimensionSchema> getGroupingColumns()

getAggregators

public AggregatorFactory[] getAggregators()

getOrdering

public List<OrderBy> getOrdering()

toMetadataSchema

public AggregateProjectionMetadata.Schema toMetadataSchema()

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object