Uses of Interface
org.apache.calcite.linq4j.Enumerator

Packages that use Enumerator

Package	Description
org.apache.calcite.linq4j	Language-integrated query for Java (linq4j) main package.

Uses of Enumerator in org.apache.calcite.linq4j

Classes in org.apache.calcite.linq4j that implement Enumerator

Modifier and Type	Class and Description
class	CartesianProductEnumerator<T,E> Enumerator over the cartesian product of enumerators.
class	DelegatingEnumerator<T> Simple enumerator that just delegates all calls to the passed enumerator.
(package private) static class	EnumerableDefaults.CastingEnumerator<T> Enumerator that casts each value.
private static class	EnumerableDefaults.MergeJoinEnumerator<TResult,TSource,TInner,TKey extends Comparable<TKey>> Enumerator that performs a merge join on its sorted inputs.
(package private) static class	EnumerableDefaults.SkipWhileEnumerator<TSource> Enumerator that implements skip-while.
(package private) static class	EnumerableDefaults.TakeWhileEnumerator<TSource> Enumerable that implements take-while.
(package private) static class	EnumerableDefaults.TakeWhileLongEnumerator<TSource> Enumerable that implements take-while.
private static class	Linq4j.CartesianProductListEnumerator<E> Enumerates over the cartesian product of the given lists, returning a list for each row.
(package private) static class	Linq4j.IterableEnumerator<T> Iterable enumerator.
private static class	Linq4j.ListEnumerator<V> Enumerator optimized for random-access list.
private static class	Linq4j.SingletonEnumerator<E> Enumerator that returns one element.
private static class	Linq4j.SingletonNullEnumerator<E> Enumerator that returns one null element.
class	MemoryEnumerator<E> Enumerator that keeps some recent and some "future" values.
class	TransformedEnumerator<F,E> Enumerator that applies a transform to each value from a backing enumerator.

Fields in org.apache.calcite.linq4j declared as Enumerator

Modifier and Type	Field and Description
(package private) Enumerator<List<Object>>	EnumerableDefaults.MergeJoinEnumerator.cartesians
protected Enumerator<T>	DelegatingEnumerator.delegate
private static Enumerator<Object>	Linq4j.EMPTY_ENUMERATOR
private Enumerator<Enumerable<E>>	Linq4j.CompositeEnumerable.enumerableEnumerator
private Enumerator<T>	Linq4j.EnumeratorIterator.enumerator
private Enumerator<TSource>	EnumerableDefaults.TakeWhileEnumerator.enumerator
private Enumerator<TSource>	EnumerableDefaults.TakeWhileLongEnumerator.enumerator
private Enumerator<TSource>	EnumerableDefaults.SkipWhileEnumerator.enumerator
private Enumerator<?>	EnumerableDefaults.CastingEnumerator.enumerator
protected Enumerator<F>	TransformedEnumerator.enumerator
private Enumerator<E>	MemoryEnumerator.enumerator
private Enumerator<TSource>	EnumerableDefaults.MergeJoinEnumerator.leftEnumerator
private Enumerator<TInner>	EnumerableDefaults.MergeJoinEnumerator.rightEnumerator

Fields in org.apache.calcite.linq4j with type parameters of type Enumerator

Modifier and Type	Field and Description
private List<Enumerator<T>>	CartesianProductEnumerator.enumerators

Methods in org.apache.calcite.linq4j that return Enumerator

Modifier and Type	Method and Description
static <T> Enumerator<T>	Linq4j.emptyEnumerator() Returns an Enumerator that has no elements.
Enumerator<T>	QueryableDefaults.ReplayableQueryable.enumerator()
Enumerator<V>	GroupingImpl.enumerator()
Enumerator<Grouping<K,V>>	LookupImpl.enumerator()
Enumerator<MemoryFactory.Memory<E>>	MemoryEnumerable.enumerator()
Enumerator<TSource>	BaseQueryable.enumerator()
Enumerator<E>	Linq4j.CompositeEnumerable.enumerator()
Enumerator<T>	Linq4j.ListEnumerable.enumerator()
Enumerator<T>	RawEnumerable.enumerator() Returns an enumerator that iterates through a collection.
Enumerator<T>	AbstractEnumerable2.enumerator()
Enumerator<T>	EnumerableQueryable.enumerator()
static <V> Enumerator<V>	Linq4j.enumerator(Collection<? extends V> values) Adapter that converts a collection into an enumerator.
<T> Enumerator<T>	QueryProvider.executeQuery(Queryable<T> queryable) Executes a queryable, and returns an enumerator over the rows that it yields.
static <T> Enumerator<T>	Linq4j.iterableEnumerator(Iterable<? extends T> iterable) Adapter that converts an iterable into an enumerator.
private static <V> Enumerator<V>	Linq4j.listEnumerator(List<? extends V> list)
static <T> Enumerator<List<T>>	Linq4j.product(List<Enumerator<T>> enumerators) Returns an enumerator that is the cartesian product of the given enumerators.
static <T> Enumerator<T>	Linq4j.singletonEnumerator(T element) Returns an Enumerator that has one element.
static <T> Enumerator<T>	Linq4j.singletonNullEnumerator() Returns an Enumerator that has one null element.
static <F,E> Enumerator<E>	Linq4j.transform(Enumerator<F> enumerator, Function1<F,E> func) Applies a function to each element of an Enumerator.
private static <TSource> Enumerator<TSource>	EnumerableDefaults.where(Enumerator<TSource> enumerator, Predicate1<TSource> predicate)

Methods in org.apache.calcite.linq4j with parameters of type Enumerator

Modifier and Type	Method and Description
static <T> Iterator<T>	Linq4j.enumeratorIterator(Enumerator<T> enumerator) Adapter that converts an enumerator into an iterator.
static <F,E> Enumerator<E>	Linq4j.transform(Enumerator<F> enumerator, Function1<F,E> func) Applies a function to each element of an Enumerator.
private static <TSource> Enumerator<TSource>	EnumerableDefaults.where(Enumerator<TSource> enumerator, Predicate1<TSource> predicate)

Method parameters in org.apache.calcite.linq4j with type arguments of type Enumerator

Modifier and Type	Method and Description
static <T> Enumerator<List<T>>	Linq4j.product(List<Enumerator<T>> enumerators) Returns an enumerator that is the cartesian product of the given enumerators.

Constructors in org.apache.calcite.linq4j with parameters of type Enumerator

Constructor and Description
CastingEnumerator(Enumerator<?> enumerator, Class<T> clazz)
DelegatingEnumerator(Enumerator<T> delegate)
EnumeratorIterator(Enumerator<T> enumerator)
MemoryEnumerator(Enumerator<E> enumerator, int history, int future) Creates a MemoryEnumerator.
MergeJoinEnumerator(Enumerator<TSource> leftEnumerator, Enumerator<TInner> rightEnumerator, Function1<TSource,TKey> outerKeySelector, Function1<TInner,TKey> innerKeySelector, Function2<TSource,TInner,TResult> resultSelector)
MergeJoinEnumerator(Enumerator<TSource> leftEnumerator, Enumerator<TInner> rightEnumerator, Function1<TSource,TKey> outerKeySelector, Function1<TInner,TKey> innerKeySelector, Function2<TSource,TInner,TResult> resultSelector)
SkipWhileEnumerator(Enumerator<TSource> enumerator, Predicate2<TSource,Integer> predicate)
TakeWhileEnumerator(Enumerator<TSource> enumerator, Predicate2<TSource,Integer> predicate)
TakeWhileLongEnumerator(Enumerator<TSource> enumerator, Predicate2<TSource,Long> predicate)
TransformedEnumerator(Enumerator<F> enumerator)

Constructor parameters in org.apache.calcite.linq4j with type arguments of type Enumerator

Constructor and Description
CartesianProductEnumerator(List<Enumerator<T>> enumerators)
CartesianProductListEnumerator(List<Enumerator<E>> enumerators)