Module org.apache.jena.core

Package org.apache.jena.util

Class CollectionFactory

java.lang.Object

org.apache.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).

Constructor Summary

Constructors

Constructor	Description
CollectionFactory()

Method Summary

Modifier and Type	Method	Description
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 Details

CollectionFactory

public CollectionFactory()

Method Details

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.