Package com.illumon.iris.db.v2.locations

Interface GroupingProvider

All Known Subinterfaces:

KeyRangeGroupingProvider<DATA_TYPE>

All Known Implementing Classes:

DiskBackedDeferredGroupingProvider, MemoizingGroupingProvider, PartitionColumnGroupingProvider, StaticGroupingProvider

public interface GroupingProvider

Implementations of this interface are able to compute groupings.

Method Summary

Modifier and Type	Method	Description
GroupingBuilder	getGroupingBuilder()	Get a GroupingBuilder suitable for creating groups with specific properties.
boolean	hasGrouping()	Check if this provider is able to create a grouping or not.
static GroupingProvider	makeGroupingProvider(com.illumon.dataobjects.ColumnDefinition<?> columnDefinition, com.fishlib.io.logger.Logger log)	Make a new GroupingProvider for the specified ColumnDefinition and current global configuration.

Method Details

makeGroupingProvider

@NotNull static GroupingProvider makeGroupingProvider(@NotNull com.illumon.dataobjects.ColumnDefinition<?> columnDefinition, com.fishlib.io.logger.Logger log)

Make a new GroupingProvider for the specified ColumnDefinition and current global configuration.

Parameters:

columnDefinition - The column definition

log - a logger

Returns:

A new GroupingProvider

getGroupingBuilder

@NotNull GroupingBuilder getGroupingBuilder()

Get a GroupingBuilder suitable for creating groups with specific properties.

Returns:

a GroupingBuilder

hasGrouping

boolean hasGrouping()

Check if this provider is able to create a grouping or not.

Returns:

true if this provider can create a grouping.