org.apache.calcite.runtime

Class SqlFunctions.ProductComparableListEnumerator<E extends Comparable>

java.lang.Object

org.apache.calcite.linq4j.CartesianProductEnumerator<List<E>,FlatLists.ComparableList<E>>

org.apache.calcite.runtime.SqlFunctions.ProductComparableListEnumerator<E>

Type Parameters:

E - element type

All Implemented Interfaces:

AutoCloseable, Enumerator<FlatLists.ComparableList<E>>

Enclosing class:

SqlFunctions

private static class SqlFunctions.ProductComparableListEnumerator<E extends Comparable>
extends CartesianProductEnumerator<List<E>,FlatLists.ComparableList<E>>

Enumerates over the cartesian product of the given lists, returning a comparable list for each row.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) E[]	flatElements
(package private) List<E>	list
private int	ordinality
private boolean	withOrdinality

Fields inherited from class org.apache.calcite.linq4j.CartesianProductEnumerator

elements

Constructor Summary

Constructors

Constructor and Description
ProductComparableListEnumerator(List<Enumerator<List<E>>> enumerators, int fieldCount, boolean withOrdinality)

Method Summary

Modifier and Type	Method and Description
FlatLists.ComparableList<E>	current()

Methods inherited from class org.apache.calcite.linq4j.CartesianProductEnumerator

close, moveNext, reset

Methods inherited from class java.lang.Object

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

Field Detail

flatElements

final E extends Comparable[] flatElements

list

final List<E extends Comparable> list

withOrdinality

private final boolean withOrdinality

ordinality

private int ordinality

Constructor Detail

ProductComparableListEnumerator

ProductComparableListEnumerator(List<Enumerator<List<E>>> enumerators,
                                int fieldCount,
                                boolean withOrdinality)

Method Detail

current

public FlatLists.ComparableList<E> current()