Package dk.netarkivet.common.utils

Class KeyValuePair<K,​V>

  • Type Parameters:
    K - the Object type used as key
    V - the Object type used as value
    All Implemented Interfaces:
    java.util.Map.Entry<K,​V>
    public class KeyValuePair<K,​V>
extends java.lang.Object
implements java.util.Map.Entry<K,​V>
    A generic Map.Entry class, useful for returning key-value-like results.

    • Constructor Summary

      Constructors 
      Constructor Description
      KeyValuePair​(K k, V v)
      Constructs a Key-Value pair using the given key and value.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      K getKey()
      Returns the key corresponding to this entry.
      V getValue()
      Returns the value corresponding to this entry.
      V setValue​(V newValue)
      Replaces the value corresponding to this entry with the specified value (optional operation).

      • Methods inherited from class java.lang.Object

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

      • Methods inherited from interface java.util.Map.Entry

        equals, hashCode

    • Constructor Detail

      • KeyValuePair

        public KeyValuePair​(K k,
                    V v)
        Constructs a Key-Value pair using the given key and value.
        Parameters:
        k - The key object
        v - The value object

    • Method Detail

      • getKey

        public K getKey()
        Returns the key corresponding to this entry.
        Specified by:
        getKey in interface java.util.Map.Entry<K,​V>
        Returns:
        the key corresponding to this entry.

      • getValue

        public V getValue()
        Returns the value corresponding to this entry.
        Specified by:
        getValue in interface java.util.Map.Entry<K,​V>
        Returns:
        the value corresponding to this entry.

      • setValue

        public V setValue​(V newValue)
           throws java.lang.UnsupportedOperationException
        Replaces the value corresponding to this entry with the specified value (optional operation).
        Specified by:
        setValue in interface java.util.Map.Entry<K,​V>
        Parameters:
        newValue - new value to be stored in this entry.
        Returns:
        old value corresponding to the entry.
        Throws:
        java.lang.UnsupportedOperationException - if the put operation is not supported by the backing map.