Package org.apache.commons.collections4.keyvalue

Class UnmodifiableMapEntry<K,​V>

  • Type Parameters:
    K - the type of keys
    V - the type of mapped values
    All Implemented Interfaces:
    Map.Entry<K,​V>, KeyValue<K,​V>, Unmodifiable
    public final class UnmodifiableMapEntry<K,​V>
extends AbstractMapEntry<K,​V>
implements Unmodifiable
    A Map.Entry that throws UnsupportedOperationException when setValue is called.
    Since:
    3.0

    • Constructor Detail

      • UnmodifiableMapEntry

        public UnmodifiableMapEntry​(K key,
                            V value)
        Constructs a new entry with the specified key and given value.
        Parameters:
        key - the key for the entry, may be null
        value - the value for the entry, may be null

      • UnmodifiableMapEntry

        public UnmodifiableMapEntry​(KeyValue<? extends K,​? extends V> pair)
        Constructs a new entry from the specified KeyValue.
        Parameters:
        pair - the pair to copy, must not be null
        Throws:
        NullPointerException - if the entry is null

      • UnmodifiableMapEntry

        public UnmodifiableMapEntry​(Map.Entry<? extends K,​? extends V> entry)
        Constructs a new entry from the specified Map.Entry.
        Parameters:
        entry - the entry to copy, must not be null
        Throws:
        NullPointerException - if the entry is null