Module org.apache.jena.arq

Package org.apache.jena.sparql.engine.join

Class ImmutableUniqueList<T>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<T>

org.apache.jena.sparql.engine.join.ImmutableUniqueList<T>

All Implemented Interfaces:

Iterable<T>, Collection<T>, List<T>

Direct Known Subclasses:

JoinKey

public class ImmutableUniqueList<T>
extends AbstractList<T>

An immutable list without duplicates. For lists of size 5 or larger, the indexOf(Object) method will on first use index the elements for faster access.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	ImmutableUniqueList.Builder<T>	The builder can emit a key every time build() is called and it can be continued to be used.

Method Summary

Modifier and Type	Method	Description
boolean	contains(Object o)
static <T> ImmutableUniqueList<T>	createUniqueList(Class<T> itemClass, Collection<T> items)
static <T> ImmutableUniqueList<T>	createUniqueList(Class<T> itemClass, T[] items)
T	get(int i)
int	indexOf(Object o)
int	length()
static <T> ImmutableUniqueList.Builder<T>	newUniqueListBuilder(Class<T> itemClass)
int	size()

Methods inherited from class java.util.AbstractList

add, add, addAll, clear, equals, hashCode, iterator, lastIndexOf, listIterator, listIterator, remove, set, subList

Methods inherited from class java.util.AbstractCollection

addAll, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

addAll, containsAll, isEmpty, remove, removeAll, replaceAll, retainAll, sort, spliterator, toArray, toArray

Method Details

newUniqueListBuilder

public static <T> ImmutableUniqueList.Builder<T> newUniqueListBuilder(Class<T> itemClass)

createUniqueList

public static <T> ImmutableUniqueList<T> createUniqueList(Class<T> itemClass,
 Collection<T> items)

createUniqueList

public static <T> ImmutableUniqueList<T> createUniqueList(Class<T> itemClass,
 T[] items)

size

public int size()

Specified by:

size in interface Collection<T>

Specified by:

size in interface List<T>

Specified by:

size in class AbstractCollection<T>

length

public int length()

get

public T get(int i)

Specified by:

get in interface List<T>

Specified by:

get in class AbstractList<T>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<T>

Specified by:

contains in interface List<T>

Overrides:

contains in class AbstractCollection<T>

indexOf

public int indexOf(Object o)

Specified by:

indexOf in interface List<T>

Overrides:

indexOf in class AbstractList<T>