org.apache.calcite.materialize

Class TileSuggester

java.lang.Object

org.apache.calcite.materialize.TileSuggester

public class TileSuggester
extends Object

Algorithm that suggests a set of initial tiles (materialized aggregate views) for a given lattice.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	TileSuggester.AttributeImpl Implementation of Attribute based on a Lattice.Column.
private static class	TileSuggester.SchemaImpl Implementation of Schema based on a Lattice.
private static class	TileSuggester.StatisticsProviderImpl Implementation of StatisticsProvider that asks the lattice.
private static class	TileSuggester.TableImpl Implementation of Table based on a Lattice.

Field Summary

Fields

Modifier and Type	Field and Description
private Lattice	lattice
private static com.google.common.base.Function<org.pentaho.aggdes.model.Attribute,Lattice.Column>	TO_COLUMN

Constructor Summary

Constructors

Constructor and Description
TileSuggester(Lattice lattice)

Method Summary

Modifier and Type	Method and Description
Iterable<? extends Lattice.Tile>	tiles()
private Lattice.Tile	toTile(org.pentaho.aggdes.model.Aggregate aggregate)

Methods inherited from class java.lang.Object

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

Field Detail

TO_COLUMN

private static final com.google.common.base.Function<org.pentaho.aggdes.model.Attribute,Lattice.Column> TO_COLUMN

lattice

private final Lattice lattice

Constructor Detail

TileSuggester

public TileSuggester(Lattice lattice)

Method Detail

tiles

public Iterable<? extends Lattice.Tile> tiles()

toTile

private Lattice.Tile toTile(org.pentaho.aggdes.model.Aggregate aggregate)