com.hp.hpl.jena.util
Class CollectionFactory

java.lang.Object
  com.hp.hpl.jena.util.CollectionFactory

public class CollectionFactory
extends Object

CollectionFactory - a central place for allocating sets and maps, mostly so that it's easy to plug in new implementations (eg trove).

Author:

kers

Constructor Summary

CollectionFactory()

Method Summary

static <K,V> Map<K,V>	createHashedMap() Answer a new Map which uses hashing for lookup.
static <K,V> Map<K,V>	createHashedMap(int size) Answer a new Map which uses hashing for lookup and has initial size size.
static <K,V> Map<K,V>	createHashedMap(Map<K,V> toCopy) Answer a new Map which uses hashing for lookup and is initialised to be a copy of toCopy.
static <T> Set<T>	createHashedSet() Answer a new Set which uses haashing for lookup.
static <T> Set<T>	createHashedSet(Collection<T> toCopy) Answer a new Set which uses hashing for lookup and is initialised as a copy of toCopy.

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionFactory

public CollectionFactory()

Method Detail

createHashedMap

public static <K,V> Map<K,V> createHashedMap()

Answer a new Map which uses hashing for lookup.

createHashedMap

public static <K,V> Map<K,V> createHashedMap(int size)

Answer a new Map which uses hashing for lookup and has initial size size.

createHashedMap

public static <K,V> Map<K,V> createHashedMap(Map<K,V> toCopy)

Answer a new Map which uses hashing for lookup and is initialised to be a copy of toCopy.

createHashedSet

public static <T> Set<T> createHashedSet()

Answer a new Set which uses haashing for lookup.

createHashedSet

public static <T> Set<T> createHashedSet(Collection<T> toCopy)

Answer a new Set which uses hashing for lookup and is initialised as a copy of toCopy.