ImmutableIntList.EmptyImmutableIntList (Apache Calcite API)

java.lang.Object
- org.apache.calcite.runtime.AbstractImmutableList<T>
- - org.apache.calcite.runtime.FlatLists.AbstractFlatList<java.lang.Integer>
  - - org.apache.calcite.util.ImmutableIntList
    - - org.apache.calcite.util.ImmutableIntList.EmptyImmutableIntList

All Implemented Interfaces:

java.lang.Iterable<java.lang.Integer>, java.util.Collection<java.lang.Integer>, java.util.List<java.lang.Integer>, java.util.RandomAccess

Enclosing class:

ImmutableIntList
```
private static class ImmutableIntList.EmptyImmutableIntList
extends ImmutableIntList
```
Special sub-class of ImmutableIntList that is always empty and has only one instance.

Constructor Summary

Constructors
Modifier Constructor Description

private EmptyImmutableIntList()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.Iterator<java.lang.Integer>`	`iterator()`
`java.util.ListIterator<java.lang.Integer>`	`listIterator()`
`java.lang.Object[]`	`toArray()`
`<T> T[]`	`toArray(T[] a)`

Methods inherited from class org.apache.calcite.util.ImmutableIntList
append, append, appendAll, copyOf, copyOf, copyOf, equals, get, getInt, hashCode, identity, indexOf, indexOf, isEmpty, lastIndexOf, lastIndexOf, listIterator, of, of, range, size, toIntArray, toString

Methods inherited from class org.apache.calcite.runtime.FlatLists.AbstractFlatList
toList

Methods inherited from class org.apache.calcite.runtime.AbstractImmutableList
add, add, addAll, addAll, clear, contains, containsAll, remove, remove, removeAll, retainAll, set, subList

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection
parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable
forEach

Methods inherited from interface java.util.List
replaceAll, sort, spliterator

- Constructor Detail
  - EmptyImmutableIntList
```
private EmptyImmutableIntList()
```
- Method Detail
  - toArray
```
public java.lang.Object[] toArray()
```
    Specified by:
    
    toArray in interface java.util.Collection<java.lang.Integer>
    
    Specified by:
    
    toArray in interface java.util.List<java.lang.Integer>
    
    Overrides:
    
    toArray in class ImmutableIntList
  - toArray
```
public <T> T[] toArray(T[] a)
```
    Specified by:
    
    toArray in interface java.util.Collection<java.lang.Integer>
    
    Specified by:
    
    toArray in interface java.util.List<java.lang.Integer>
    
    Overrides:
    
    toArray in class ImmutableIntList
  - iterator
```
public java.util.Iterator<java.lang.Integer> iterator()
```
    Specified by:
    
    iterator in interface java.util.Collection<java.lang.Integer>
    
    Specified by:
    
    iterator in interface java.lang.Iterable<java.lang.Integer>
    
    Specified by:
    
    iterator in interface java.util.List<java.lang.Integer>
    
    Overrides:
    
    iterator in class ImmutableIntList
  - listIterator
```
public java.util.ListIterator<java.lang.Integer> listIterator()
```
    Specified by:
    
    listIterator in interface java.util.List<java.lang.Integer>
    
    Overrides:
    
    listIterator in class ImmutableIntList