Package com.mchange.v2.util

Class DoubleWeakHashMap

  • All Implemented Interfaces:
    java.util.Map
    public class DoubleWeakHashMap
extends java.lang.Object
implements java.util.Map

    This class is not Thread safe. Use in single threaded contexts, or contexts where single threaded-access can be guaranteed, or wrap with Collections.synchronizedMap().

    This class does not accept null keys or values.

    • 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>

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void cleanCleared()  
      void clear()  
      boolean containsKey​(java.lang.Object key)  
      boolean containsValue​(java.lang.Object val)  
      java.util.Set entrySet()  
      java.lang.Object get​(java.lang.Object key)  
      boolean isEmpty()  
      java.util.Set keySet()  
      java.lang.Object put​(java.lang.Object key, java.lang.Object val)  
      void putAll​(java.util.Map m)  
      java.lang.Object remove​(java.lang.Object key)  
      int size()  
      java.util.Collection values()  

      • 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

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

    • Constructor Detail

      • DoubleWeakHashMap

        public DoubleWeakHashMap()

      • DoubleWeakHashMap

        public DoubleWeakHashMap​(int initialCapacity)

      • DoubleWeakHashMap

        public DoubleWeakHashMap​(int initialCapacity,
                         float loadFactor)

      • DoubleWeakHashMap

        public DoubleWeakHashMap​(java.util.Map m)

    • Method Detail

      • cleanCleared

        public void cleanCleared()

      • clear

        public void clear()
        Specified by:
        clear in interface java.util.Map

      • containsKey

        public boolean containsKey​(java.lang.Object key)
        Specified by:
        containsKey in interface java.util.Map

      • containsValue

        public boolean containsValue​(java.lang.Object val)
        Specified by:
        containsValue in interface java.util.Map

      • entrySet

        public java.util.Set entrySet()
        Specified by:
        entrySet in interface java.util.Map

      • get

        public java.lang.Object get​(java.lang.Object key)
        Specified by:
        get in interface java.util.Map

      • isEmpty

        public boolean isEmpty()
        Specified by:
        isEmpty in interface java.util.Map

      • keySet

        public java.util.Set keySet()
        Specified by:
        keySet in interface java.util.Map

      • put

        public java.lang.Object put​(java.lang.Object key,
                            java.lang.Object val)
        Specified by:
        put in interface java.util.Map

      • putAll

        public void putAll​(java.util.Map m)
        Specified by:
        putAll in interface java.util.Map

      • remove

        public java.lang.Object remove​(java.lang.Object key)
        Specified by:
        remove in interface java.util.Map

      • size

        public int size()
        Specified by:
        size in interface java.util.Map

      • values

        public java.util.Collection values()
        Specified by:
        values in interface java.util.Map