Class AbstractMultimap<K,​V,​C extends java.util.Collection<V>>

  • All Implemented Interfaces:
    java.util.Map<K,​C>
    Direct Known Subclasses:
    Multimap, MultimapSet

    public abstract class AbstractMultimap<K,​V,​C extends java.util.Collection<V>>
    extends java.lang.Object
    implements java.util.Map<K,​C>
    Combines a Map with List values to provide simple way to store multiple values for a key (multimap).

    Threading note: All methods are synchronized

    • 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>
    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.util.Map<K,​C> map  
    • Constructor Summary

      Constructors 
      Modifier Constructor Description
      protected AbstractMultimap​(java.util.Map<K,​C> map)  
    • Field Detail

      • map

        protected java.util.Map<K,​C extends java.util.Collection<V>> map
    • Constructor Detail

      • AbstractMultimap

        protected AbstractMultimap​(java.util.Map<K,​C> map)
    • Method Detail

      • createNewCollection

        protected abstract C createNewCollection()
      • putAll

        public void putAll​(java.util.Map<? extends K,​? extends C> m)
        Specified by:
        putAll in interface java.util.Map<K,​V>
      • 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 C get​(java.lang.Object key)
        Specified by:
        get in interface java.util.Map<K,​V>
      • remove

        public C remove​(java.lang.Object key)
        Specified by:
        remove 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<C> values()
        Specified by:
        values 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
      • putElement

        public int putElement​(K key,
                              V value)
        Returns:
        number of elements stored for given key after storing the given value.
      • put

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

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

        public boolean putElements​(K key,
                                   java.util.Collection<V> values)
        Returns:
        true if the collection was changed.
      • removeElement

        public boolean removeElement​(K key,
                                     V value)
        Returns:
        true if the given element was removed.
      • countElements

        public int countElements​(K key)
      • countElements

        public int countElements()
      • containsElement

        public boolean containsElement​(K key,
                                       V value)
      • containsElement

        public boolean containsElement​(V value)
      • valuesElements

        public C valuesElements()