Package org.apache.commons.collections.keyvalue

Class UnmodifiableMapEntry

  • All Implemented Interfaces:
    Map.Entry, KeyValue, Unmodifiable
    public final class UnmodifiableMapEntry
extends AbstractMapEntry
implements Unmodifiable
    A Map.Entry that throws UnsupportedOperationException when setValue is called.
    Since:
    Commons Collections 3.0
    Version:
    $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
    Author:
    Stephen Colebourne

    • Constructor Detail

      • UnmodifiableMapEntry

        public UnmodifiableMapEntry​(Object key,
                            Object 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 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 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