polyglot.util

Class TransformingList<T,U>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<U>

polyglot.util.TransformingList<T,U>

All Implemented Interfaces:

java.lang.Iterable<U>, java.util.Collection<U>, java.util.List<U>

Direct Known Subclasses:

CachingTransformingList

public class TransformingList<T,U>
extends java.util.AbstractList<U>

This unmodifiable List supports performing an arbitrary transformation on the underlying list's elements. The transformation is applied on every access to the underlying members.

Field Summary

Fields

Modifier and Type	Field and Description
protected Transformation<T,U>	trans
protected java.util.List<T>	underlying

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
TransformingList(java.util.Collection<? extends T> underlying, Transformation<T,U> trans)
TransformingList(java.util.List<T> underlying, Transformation<T,U> trans)

Method Summary

Methods

Modifier and Type	Method and Description
U	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, retainAll, toArray, toArray

Field Detail

trans

protected final Transformation<T,U> trans

underlying

protected final java.util.List<T> underlying

Constructor Detail

TransformingList

public TransformingList(java.util.Collection<? extends T> underlying,
                Transformation<T,U> trans)

TransformingList

public TransformingList(java.util.List<T> underlying,
                Transformation<T,U> trans)

Method Detail

size

public int size()

Specified by:

size in interface java.util.Collection<U>

Specified by:

size in interface java.util.List<U>

Specified by:

size in class java.util.AbstractCollection<U>

get

public U get(int index)

Specified by:

get in interface java.util.List<U>

Specified by:

get in class java.util.AbstractList<U>