Class SoftHashMap<K,​V>

  • All Implemented Interfaces:
    java.util.Map<K,​V>

    final class SoftHashMap<K,​V>
    extends java.util.AbstractMap<K,​V>
    implements java.util.Map<K,​V>
    • Field Detail

      • DEFAULT_INITIAL_CAPACITY

        private static final int DEFAULT_INITIAL_CAPACITY
        See Also:
        Constant Field Values
      • NULL_KEY

        private static final java.lang.Object NULL_KEY
      • size

        private int size
      • threshold

        private int threshold
      • loadFactor

        private final float loadFactor
      • queue

        private final java.lang.ref.ReferenceQueue<K> queue
      • modCount

        private volatile int modCount
      • entrySet

        private transient java.util.Set<java.util.Map.Entry<K,​V>> entrySet
      • keySet

        private transient volatile java.util.Set<K> keySet
      • values

        private transient volatile java.util.Collection<V> values
    • Constructor Detail

      • SoftHashMap

        public SoftHashMap​(int initialCapacity,
                           float loadFactor)
      • SoftHashMap

        public SoftHashMap​(int initialCapacity)
      • SoftHashMap

        public SoftHashMap()
      • SoftHashMap

        public SoftHashMap​(java.util.Map<? extends K,​? extends V> t)
    • Method Detail

      • size

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

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

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

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

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

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

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

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

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

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

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

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

        private void expungeStaleEntries()
      • resize

        private void resize​(int newCapacity)
      • containsNullValue

        private boolean containsNullValue()
      • maskNull

        private static <K> K maskNull​(java.lang.Object key)
      • unmaskNull

        private static <K> K unmaskNull​(java.lang.Object key)
      • eq

        private static boolean eq​(java.lang.Object x,
                                  java.lang.Object y)
      • indexFor

        private static int indexFor​(int h,
                                    int length)
      • hash

        private static int hash​(java.lang.Object key)
      • hash

        private static int hash​(int h)