net.sf.mmm.util.query.base

Class MappingList<S,E>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<E>

net.sf.mmm.util.query.base.MappingList<S,E>

All Implemented Interfaces:

Iterable<E>, Collection<E>, List<E>

Direct Known Subclasses:

FastMappingList

class MappingList<S,E>
extends AbstractList<E>

This is an implementation of List that adapts a given List of elements to a List of elements of a different type using a given mapping Function.

Since:

8.0.0

Author:

hohwille

Field Summary

Fields

Modifier and Type	Field and Description
private List<S>	list
private Function<S,E>	mapper

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
MappingList(List<S> list, Function<S,E> mapper) The constructor.

Method Summary

Modifier and Type	Method and Description
E	get(int index)
int	size()

Methods inherited from class java.util.AbstractList

add, add, addAll, clear, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List

addAll, contains, containsAll, isEmpty, remove, removeAll, replaceAll, retainAll, sort, spliterator, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Field Detail

list

private final List<S> list

mapper

private final Function<S,E> mapper

Constructor Detail

MappingList

public MappingList(List<S> list,
                   Function<S,E> mapper)

The constructor.

Parameters:

list - the list to adapt.

mapper - the Function to map the List values.

Method Detail

get

public E get(int index)

Specified by:

get in interface List<E>

Specified by:

get in class AbstractList<E>

size

public int size()

Specified by:

size in interface Collection<E>

Specified by:

size in interface List<E>

Specified by:

size in class AbstractCollection<E>