Package org.apache.calcite.materialize

Class MaterializationActor

java.lang.Object

org.apache.calcite.materialize.MaterializationActor

class MaterializationActor
extends java.lang.Object

Actor that manages the state of materializations in the system.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) static class	MaterializationActor.Materialization	A query materialized in a table, so that reading from the table gives the same results as executing the query.
(package private) static class	MaterializationActor.QueryKey	A materialization can be re-used if it is the same SQL, on the same schema, with the same path for resolving functions.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) java.util.Map<MaterializationActor.QueryKey,MaterializationKey>	keyBySql
(package private) java.util.Map<TileKey,MaterializationKey>	keyByTile
(package private) java.util.Map<MaterializationKey,MaterializationActor.Materialization>	keyMap
(package private) com.google.common.collect.Multimap<TileKey,TileKey>	tilesByDimensionality	Tiles grouped by dimensionality.

Constructor Summary

Constructors

Constructor	Description
MaterializationActor()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

keyMap

final java.util.Map<MaterializationKey,MaterializationActor.Materialization> keyMap

keyBySql

final java.util.Map<MaterializationActor.QueryKey,MaterializationKey> keyBySql

keyByTile

final java.util.Map<TileKey,MaterializationKey> keyByTile

tilesByDimensionality

final com.google.common.collect.Multimap<TileKey,TileKey> tilesByDimensionality

Tiles grouped by dimensionality. We use a TileKey with no measures to represent a dimensionality.

Constructor Detail

MaterializationActor

MaterializationActor()