Class UnmodifiableEntrySet<K,V>
java.lang.Object
org.apache.commons.collections4.collection.AbstractCollectionDecorator<E>
org.apache.commons.collections4.set.AbstractSetDecorator<Map.Entry<K,V>>
org.apache.commons.collections4.map.UnmodifiableEntrySet<K,V>
- Type Parameters:
K
- the type of the keys in the mapV
- the type of the values in the map
- All Implemented Interfaces:
Serializable
,Iterable<Map.Entry<K,
,V>> Collection<Map.Entry<K,
,V>> Set<Map.Entry<K,
,V>> Unmodifiable
public final class UnmodifiableEntrySet<K,V>
extends AbstractSetDecorator<Map.Entry<K,V>>
implements Unmodifiable
Decorates a map entry
Set
to ensure it can't be altered.
Attempts to modify it will result in an UnsupportedOperationException.
- Since:
- 3.0
- See Also:
-
Method Summary
Modifier and TypeMethodDescriptionboolean
boolean
addAll
(Collection<? extends Map.Entry<K, V>> coll) void
clear()
iterator()
boolean
boolean
removeAll
(Collection<?> coll) boolean
retainAll
(Collection<?> coll) Object[]
toArray()
<T> T[]
toArray
(T[] array) unmodifiableEntrySet
(Set<Map.Entry<K, V>> set) Factory method to create an unmodifiable set of Map Entry objects.Methods inherited from class org.apache.commons.collections4.set.AbstractSetDecorator
decorated, equals, hashCode
Methods inherited from class org.apache.commons.collections4.collection.AbstractCollectionDecorator
contains, containsAll, isEmpty, setCollection, size, toString
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
Methods inherited from interface java.util.Set
contains, containsAll, isEmpty, size
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Method Details
-
unmodifiableEntrySet
Factory method to create an unmodifiable set of Map Entry objects.- Type Parameters:
K
- the key typeV
- the value type- Parameters:
set
- the set to decorate, must not be null- Returns:
- a new unmodifiable entry set
- Throws:
NullPointerException
- if set is null- Since:
- 4.0
-
add
-
addAll
-
clear
-
remove
-
removeAll
-
retainAll
-
iterator
-
toArray
-
toArray
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