Package com.globalmentor.collections

Class MapEntryMap<K,​V>

  • Type Parameters:
    K - The type of key contained in the map.
    V - The type of value contained in the map.
    All Implemented Interfaces:
    ImmutableMap<K,​V>, java.util.Map<K,​V>
    public class MapEntryMap<K,​V>
extends java.lang.Object
implements java.util.Map<K,​V>, ImmutableMap<K,​V>
    A read-only map containing a single map entry.
    Author:
    Garret Wilson

    • Nested Class Summary

      • Nested classes/interfaces inherited from interface java.util.Map

        java.util.Map.Entry<K extends java.lang.Object,​V extends java.lang.Object>

    • Constructor Summary

      Constructors 
      Constructor Description
      MapEntryMap​(NameValuePair<K,​V> nameValuePair)
      Name/value pair copy constructor.
      MapEntryMap​(java.util.Map.Entry<K,​V> mapEntry)
      Map entry copy constructor.
      MapEntryMap​(K key, V value)
      Key and value constructor.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void clear()
      boolean containsKey​(java.lang.Object key)
      boolean containsValue​(java.lang.Object value)
      java.util.Set<java.util.Map.Entry<K,​V>> entrySet()
      boolean equals​(java.lang.Object o)
      V get​(java.lang.Object key)
      int hashCode()
      boolean isEmpty()
      java.util.Set<K> keySet()
      V put​(K key, V value)
      void putAll​(java.util.Map<? extends K,​? extends V> m)
      V remove​(java.lang.Object key)
      int size()
      java.util.Collection<V> values()

      • Methods inherited from class java.lang.Object

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

      • Methods inherited from interface java.util.Map

        compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

    • Constructor Detail

      • MapEntryMap

        public MapEntryMap​(K key,
                   V value)
        Key and value constructor.
        Parameters:
        key - The key to hold in the map.
        value - The value to hold in the map.

      • MapEntryMap

        public MapEntryMap​(NameValuePair<K,​V> nameValuePair)
        Name/value pair copy constructor.
        Parameters:
        nameValuePair - The name/value pair the values of which to hold in the map.
        Throws:
        java.lang.NullPointerException - if the given name/value pair is null.

      • MapEntryMap

        public MapEntryMap​(java.util.Map.Entry<K,​V> mapEntry)
        Map entry copy constructor.
        Parameters:
        mapEntry - The map entry the values of which to hold in the map.
        Throws:
        java.lang.NullPointerException - if the given map entry is null.

    • Method Detail

      • size

        public int size()
        Specified by:
        size in interface java.util.Map<K,​V>

      • isEmpty

        public boolean isEmpty()
        Specified by:
        isEmpty in interface java.util.Map<K,​V>

      • containsKey

        public boolean containsKey​(java.lang.Object key)
        Specified by:
        containsKey in interface java.util.Map<K,​V>

      • containsValue

        public boolean containsValue​(java.lang.Object value)
        Specified by:
        containsValue in interface java.util.Map<K,​V>

      • get

        public V get​(java.lang.Object key)
        Specified by:
        get in interface java.util.Map<K,​V>

      • put

        public V put​(K key,
             V value)
        Specified by:
        put in interface java.util.Map<K,​V>

      • remove

        public V remove​(java.lang.Object key)
        Specified by:
        remove in interface java.util.Map<K,​V>

      • putAll

        public void putAll​(java.util.Map<? extends K,​? extends V> m)
        Specified by:
        putAll in interface java.util.Map<K,​V>

      • clear

        public void clear()
        Specified by:
        clear in interface java.util.Map<K,​V>

      • keySet

        public java.util.Set<K> keySet()
        Specified by:
        keySet in interface java.util.Map<K,​V>

      • values

        public java.util.Collection<V> values()
        Specified by:
        values in interface java.util.Map<K,​V>

      • entrySet

        public java.util.Set<java.util.Map.Entry<K,​V>> entrySet()
        Specified by:
        entrySet in interface java.util.Map<K,​V>

      • equals

        public boolean equals​(java.lang.Object o)
        Specified by:
        equals in interface java.util.Map<K,​V>
        Overrides:
        equals in class java.lang.Object

      • hashCode

        public int hashCode()
        Specified by:
        hashCode in interface java.util.Map<K,​V>
        Overrides:
        hashCode in class java.lang.Object