eu.simuline.util

Class CollectionsExt.ImmutableCollection<E>

java.lang.Object

java.util.AbstractCollection<E>

eu.simuline.util.CollectionsExt.AbstractImmutableCollection<Collection<E>,E>

eu.simuline.util.CollectionsExt.ImmutableCollection<E>

Type Parameters:

E - the class of the elements of this collection.

All Implemented Interfaces:

Iterable<E>, Collection<E>

Enclosing class:

CollectionsExt<E>

public static final class CollectionsExt.ImmutableCollection<E>
extends CollectionsExt.AbstractImmutableCollection<Collection<E>,E>
implements Collection<E>

A collection which prevents being modified by throwing an exception for the modifying methods.

Field Summary

Fields

Modifier and Type	Field and Description
private Collection<E>	coll The enclosed set containing the elements of this set.

Constructor Summary

Constructors

Constructor and Description
ImmutableCollection(Collection<E> coll) Creates a new empty ImmutableCollection which equals coll but cannot be modified neither directly nor via its iterator.

Method Summary

Modifier and Type	Method and Description
Collection<E>	unrestricted() Returns the underlying set without the restrictions imposed by this CollectionsExt.ImmutableCollection.

Methods inherited from class eu.simuline.util.CollectionsExt.AbstractImmutableCollection

add, addAll, allowedModifications, allowModification, allowModifications, clear, iterator, remove, removeAll, removeIf, retainAll, size, toString

Methods inherited from class java.util.AbstractCollection

contains, containsAll, isEmpty, toArray, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

add, addAll, clear, contains, containsAll, equals, hashCode, isEmpty, iterator, parallelStream, remove, removeAll, removeIf, retainAll, size, spliterator, stream, toArray, toArray

Methods inherited from interface java.lang.Iterable

forEach

Field Detail

coll

private final Collection<E> coll

The enclosed set containing the elements of this set.

Constructor Detail

ImmutableCollection

ImmutableCollection(Collection<E> coll)

Creates a new empty ImmutableCollection which equals coll but cannot be modified neither directly nor via its iterator.

Throws:

NullPointerException - if coll==null.

Method Detail

unrestricted

public Collection<E> unrestricted()

Description copied from class: CollectionsExt.AbstractImmutableCollection

Returns the underlying set without the restrictions imposed by this CollectionsExt.ImmutableCollection. Note that the result may still throw UnsupportedOperationExceptions depending on the implementation.

Specified by:

unrestricted in class CollectionsExt.AbstractImmutableCollection<Collection<E>,E>