Top Description Fields Constructors Methods

org.pcollections

public final Class HashTreePBag

Class Inheritance

extends Object

java.lang.Object
org.pcollections.HashTreePBag

Imports

java.util.Collection

A static convenience class for creating efficient persistent bags.

This class simply creates MapPBags backed by HashTreePMaps.

Author: harold

Field Summary

Modifier and Type	Field and Description
private static final MapPBag<Object>	EMPTY

Constructor Summary

Access	Constructor and Description
private	HashTreePBag()

Method Summary

Modifier and Type	Method and Description
public static <E> MapPBag<E>	Returns: an empty bag empty()
public static <E> MapPBag<E>	Returns: empty().plusAll(map) from(final Collection<? extends E> list)
public static <E> MapPBag<E>	Returns: empty().plus(e) singleton(final E e)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

EMPTY	back to summary
private static final MapPBag<Object> EMPTY

Constructor Detail

HashTreePBag	back to summary
private HashTreePBag()

Method Detail

empty	back to summary
public static <E> MapPBag<E> empty() Returns:MapPBag<E> an empty bag Annotations @SuppressWarnings:unchecked

from	back to summary
public static <E> MapPBag<E> from(final Collection<? extends E> list) Returns:MapPBag<E> empty().plusAll(map)

singleton	back to summary
public static <E> MapPBag<E> singleton(final E e) Returns:MapPBag<E> empty().plus(e)