br.com.objectos.core.collection

Interface ImmutableCollection<E>

Type Parameters:

E - type of the elements in this collection

All Superinterfaces:

BaseCollection<E>, Collection<E>, Iterable<E>, Joinable, br.com.objectos.core.object.ToStringObject

public interface ImmutableCollection<E>
extends BaseCollection<E>

An immutable BaseCollection.

Implementations of this interface are required to disallow adding or removing of elements. Any mutator method must throw an UnsupportedOperationException when called.

See Also:

BaseCollection

Method Summary

Methods

Modifier and Type	Method and Description
boolean	add(E e) This operation is not supported.
boolean	addAll(Collection<? extends E> c) This operation is not supported.
void	clear() This operation is not supported.

Methods inherited from interface br.com.objectos.core.collection.BaseCollection

contains, getOnly, iterator, remove, removeAll, retainAll

Methods inherited from interface java.util.Collection

contains, containsAll, equals, hashCode, isEmpty, size, toArray, toArray

Methods inherited from interface br.com.objectos.core.collection.Joinable

join, join, join

Methods inherited from interface br.com.objectos.core.object.ToStringObject

formatToString

Method Detail

add

boolean add(E e)

This operation is not supported.

This method performs no operation other than throw an UnsupportedOperationException.

Specified by:

add in interface BaseCollection<E>

Specified by:

add in interface Collection<E>

Parameters:

e - ignored (this operation is not supported)

Returns:

this method does not return as it always throw an exception

Throws:

UnsupportedOperationException - always

addAll

boolean addAll(Collection<? extends E> c)

This operation is not supported.

This method performs no operation other than throw an UnsupportedOperationException.

Specified by:

addAll in interface BaseCollection<E>

Specified by:

addAll in interface Collection<E>

Parameters:

c - ignored (this operation is not supported)

Returns:

this method does not return as it always throw an exception

Throws:

UnsupportedOperationException - always

clear

void clear()

This operation is not supported.

This method performs no operation other than throw an UnsupportedOperationException.

Specified by:

clear in interface Collection<E>

Throws:

UnsupportedOperationException - always