local.tomas.util.collections
Class MappedCollection<F,T>

java.lang.Object
  local.tomas.util.collections.MappedCollection<F,T>

Type Parameters:

F - element type of base collection

T - element type of mapped collection

All Implemented Interfaces:

Iterable<T>, Collection<T>

public class MappedCollection<F,T>
extends Object
implements Collection<T>

Mapped collection. A mapped collection maps each element of a base collection to another object.

Author:

tomas.teubner

Constructor Summary

MappedCollection(Collection<F> coll, ObjectMapping<T> mapping)
Construct a mapped collection.

Method Summary

boolean	add(T o)
boolean	addAll(Collection<? extends T> c)
void	clear()
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
boolean	isEmpty()
Iterator<T>	iterator()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
int	size()
Object[]	toArray()
<X> X[]	toArray(X[] a)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode

Constructor Detail

MappedCollection

public MappedCollection(Collection<F> coll,
                        ObjectMapping<T> mapping)

Construct a mapped collection.

Parameters:

coll - base collection

mapping - maps elements from base collection to T

Method Detail

size

public int size()

Specified by:

size in interface Collection<T>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<T>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<T>

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

Specified by:

iterator in interface Collection<T>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<T>

toArray

public <X> X[] toArray(X[] a)

Specified by:

toArray in interface Collection<T>

add

public boolean add(T o)

Specified by:

add in interface Collection<T>

Throws:

UnsupportedOperationException - when invoked

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<T>

Throws:

UnsupportedOperationException - when invoked

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<T>

addAll

public boolean addAll(Collection<? extends T> c)

Specified by:

addAll in interface Collection<T>

Throws:

UnsupportedOperationException - when invoked

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<T>

Throws:

UnsupportedOperationException - when invoked

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<T>

Throws:

UnsupportedOperationException - when invoked

clear

public void clear()

Specified by:

clear in interface Collection<T>

Throws:

UnsupportedOperationException - when invoked