Top Description Fields Constructors Methods

org.pcollections

public final Class HashTreePMap

Class Inheritance

extends Object

java.lang.Object
org.pcollections.HashTreePMap

Imports

java.util.Map, .Map.Entry

A static convenience class for creating efficient persistent maps.

This class simply creates HashPMaps backed by IntTreePMaps.

Author: harold

Field Summary

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

Constructor Summary

Access	Constructor and Description
private	HashTreePMap()

Method Summary

Modifier and Type	Method and Description
public static <K, V> HashPMap<K, V>	Returns: an empty map empty()
public static <K, V> HashPMap<K, V>	Returns: empty().plusAll(map) from(final Map<? extends K, ? extends V> map)
public static <K, V> HashPMap<K, V>	Returns: empty().plus(key, value) singleton(final K key, final V value)

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 HashPMap<Object, Object> EMPTY

Constructor Detail

HashTreePMap	back to summary
private HashTreePMap()

Method Detail

empty	back to summary
public static <K, V> HashPMap<K, V> empty() Returns:HashPMap<K, V> an empty map Annotations @SuppressWarnings:unchecked

from	back to summary
public static <K, V> HashPMap<K, V> from(final Map<? extends K, ? extends V> map) Returns:HashPMap<K, V> empty().plusAll(map)

singleton	back to summary
public static <K, V> HashPMap<K, V> singleton(final K key, final V value) Returns:HashPMap<K, V> empty().plus(key, value)