Class UnmodifiableEntrySet<K,V>
java.lang.Object
org.apache.commons.collections4.collection.AbstractCollectionDecorator<Map.Entry<K,V>>
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:
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Method Summary
Modifier and TypeMethodDescriptionbooleanbooleanaddAll(Collection<? extends Map.Entry<K, V>> coll) voidclear()iterator()booleanbooleanremoveAll(Collection<?> coll) booleanbooleanretainAll(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, hashCodeMethods inherited from class org.apache.commons.collections4.collection.AbstractCollectionDecorator
contains, containsAll, isEmpty, setCollection, size, toStringMethods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, waitMethods inherited from interface java.util.Collection
parallelStream, streamMethods inherited from interface java.util.Set
contains, containsAll, isEmpty, size, spliterator
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Method Details
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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
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add
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addAll
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clear
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iterator
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remove
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removeAll
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removeIf
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retainAll
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toArray
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toArray
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