Class HashMapFactory

java.lang.Object

com.ibm.wala.util.collections.HashMapFactory

public class HashMapFactory
extends Object

A debugging aid. When HashSetFactory.DEBUG is set, this class creates ParanoidHashMaps. Otherwise, it returns LinkedHashMap

Constructor Summary

Constructors

Constructor	Description
HashMapFactory()

Method Summary

Modifier and Type	Method	Description
static <K,V> HashMap<K,V>	make()
static <K,V> HashMap<K,V>	make(int size)
static <K,V> HashMap<K,V>	make(Map<? extends K, ? extends V> t)
static <T,K,V> @NotNull Collector<T, ?, HashMap<K,V>>	toMap(@NotNull Function<? super T, ? extends K> keyMapper, @NotNull Function<? super T, ? extends V> valueMapper)	Returns a Collector that accumulates the input elements into a new HashMap as provided by make().

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

HashMapFactory

public HashMapFactory()

Method Details

make

public static <K,V> HashMap<K,V> make(int size)

Returns:

A ParanoidHashMap if DEBUG = true, a LinkedHashMap otherwise

make

public static <K,V> HashMap<K,V> make()

Returns:

A ParanoidHashMap if DEBUG = true, a LinkedHashMap otherwise

make

public static <K,V> HashMap<K,V> make(Map<? extends K, ? extends V> t)

Returns:

A ParanoidHashMap if DEBUG = true, a LinkedHashMap otherwise

toMap

@NotNull
public static <T,K,V>
@NotNull Collector<T, ?, HashMap<K,V>> toMap(@NotNull
 @NotNull Function<? super T, ? extends K> keyMapper,
 @NotNull
 @NotNull Function<? super T, ? extends V> valueMapper)

Returns a Collector that accumulates the input elements into a new HashMap as provided by make().

Type Parameters:

T - the type of the input elements

K - the type of the result map's keys

V - the type of the result map's values

Returns:

a Collector that collects all the input elements into a HashMap