net.cscott.jutil

Class MapFactory<K,V>

java.lang.Object

net.cscott.jutil.MapFactory<K,V>

Direct Known Subclasses:

AggregateMapFactory, MultiMapFactory, PersistentMapFactory

public abstract class MapFactory<K,V>
extends java.lang.Object

MapFactory is a Map generator. Subclasses should implement constructions of specific types of Maps.

Note also that the current limitations on parametric types in Java mean that we can't easily type this class as MapFactory<M extends Map<K,V>,K,V>, as MapFactory<HashMap<K,V>,K,V> is not a subtype of MapFactory<Map<K,V>,K,V>, even though HashMap is a subtype of Map.

Version:

$Id: MapFactory.java,v 1.4 2006-10-30 19:58:06 cananian Exp $

Author:

Felix S. Klock II

Constructor Summary

Constructors

Constructor and Description
MapFactory() Creates a MapFactory.

Method Summary

Modifier and Type	Method and Description
java.util.Map<K,V>	makeMap() Generates a new, mutable, empty Map.
abstract java.util.Map<K,V>	makeMap(java.util.Map<? extends K,? extends V> map) Generates a new Map, using the entries of map as a template for its initial mappings.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapFactory

public MapFactory()

Creates a MapFactory.

Method Detail

makeMap

public java.util.Map<K,V> makeMap()

Generates a new, mutable, empty Map.

makeMap

public abstract java.util.Map<K,V> makeMap(java.util.Map<? extends K,? extends V> map)

Generates a new Map, using the entries of map as a template for its initial mappings.