org.grouplens.lenskit.collections

Class CopyingFastCollection<E>

java.lang.Object

java.util.AbstractCollection<E>

org.grouplens.lenskit.collections.CopyingFastCollection<E>

Type Parameters:

E - The element type of the collection.

All Implemented Interfaces:

Iterable<E>, Collection<E>, FastCollection<E>

public abstract class CopyingFastCollection<E>
extends AbstractCollection<E>
implements FastCollection<E>

Abstract fast collection that implements iterator() in terms of FastCollection.fastIterator() and #copy(E).

Since:

1.1

Author:

GroupLens Research

Constructor Summary

Constructors

Constructor and Description
CopyingFastCollection()

Method Summary

Methods

Modifier and Type	Method and Description
protected abstract E	copy(E elt) Copy an element of the collection.
Iterator<E>	iterator()

Methods inherited from class java.util.AbstractCollection

add, addAll, clear, contains, containsAll, isEmpty, remove, removeAll, retainAll, size, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.grouplens.lenskit.collections.FastCollection

fastIterator

Methods inherited from interface java.util.Collection

add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, remove, removeAll, retainAll, size, toArray, toArray

Constructor Detail

CopyingFastCollection

public CopyingFastCollection()

Method Detail

copy

protected abstract E copy(E elt)

Copy an element of the collection.

Parameters:

elt - The element to copy.

Returns:

A copy of

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Iterable<E>

Specified by:

iterator in interface Collection<E>

Specified by:

iterator in class AbstractCollection<E>