PSet (Apache Jena Base)

java.lang.Object

org.apache.jena.atlas.lib.persistent.PSet<E>

Type Parameters:: E - the type of element in this set

All Implemented Interfaces:: PersistentSet<E>

public class PSet<E> extends Object implements PersistentSet<E>

A implementation of PersistentSet using Set.

Method Summary

Modifier and Type

Method

Description

Set<E>

asSet()

An immutable view of this as a java.util.Set.

boolean

contains(E e)

static <E> PSet<E>

empty()

PersistentSet<E>

minus(E e)

PersistentSet<E>

plus(E e)

Stream<E>

stream()

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- empty
  
  public static <E> PSet<E> empty()
  
  Returns:
  
  an empty set
- plus
  
  public PersistentSet<E> plus(E e)
  
  Specified by:
  
  plus in interface PersistentSet<E>
  
  Parameters:
  
  e - an element
  
  Returns:
  
  a new set with the elements of this set and e
- minus
  
  public PersistentSet<E> minus(E e)
  
  Specified by:
  
  minus in interface PersistentSet<E>
  
  Parameters:
  
  e - an element
  
  Returns:
  
  a new set with the elements of this set except e
- contains
  
  public boolean contains(E e)
  
  Specified by:
  
  contains in interface PersistentSet<E>
  
  Parameters:
  
  e - an element
  
  Returns:
  
  whether this set contains e
- stream
  
  public Stream<E> stream()
  
  Specified by:
  
  stream in interface PersistentSet<E>
  
  Returns:
  
  a Stream of the elements in this set
- asSet
  
  public Set<E> asSet()
  
  Description copied from interface: PersistentSet
  
  An immutable view of this as a java.util.Set.
  
  Specified by:
  
  asSet in interface PersistentSet<E>