Class DefaultMapEntry

  • All Implemented Interfaces:
    java.util.Map.Entry

    public class DefaultMapEntry
    extends java.lang.Object
    implements java.util.Map.Entry
    A default implementation of Map.Entry
    Since:
    1.0
    Author:
    James Strachan, Michael A. Smith
    • Constructor Summary

      Constructors 
      Constructor Description
      DefaultMapEntry()
      Constructs a new DefaultMapEntry with a null key and null value.
      DefaultMapEntry​(java.lang.Object key, java.lang.Object value)
      Constructs a new DefaultMapEntry with the given key and given value.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean equals​(java.lang.Object o)
      Implemented per API documentation of Map.Entry.equals(Object)
      java.lang.Object getKey()
      Returns the key.
      java.lang.Object getValue()
      Returns the value.
      int hashCode()
      Implemented per API documentation of Map.Entry.hashCode()
      void setKey​(java.lang.Object key)
      Sets the key.
      java.lang.Object setValue​(java.lang.Object value)
      Note that this method only sets the local reference inside this object and does not modify the original Map.
      • Methods inherited from class java.lang.Object

        clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • DefaultMapEntry

        public DefaultMapEntry()
        Constructs a new DefaultMapEntry with a null key and null value.
      • DefaultMapEntry

        public DefaultMapEntry​(java.lang.Object key,
                               java.lang.Object value)
        Constructs a new DefaultMapEntry with the given key and given value.
        Parameters:
        key - the key for the entry, may be null
        value - the value for the entry, may be null
    • Method Detail

      • getKey

        public java.lang.Object getKey()
        Returns the key.
        Specified by:
        getKey in interface java.util.Map.Entry
        Returns:
        the key
      • getValue

        public java.lang.Object getValue()
        Returns the value.
        Specified by:
        getValue in interface java.util.Map.Entry
        Returns:
        the value
      • setValue

        public java.lang.Object setValue​(java.lang.Object value)
        Note that this method only sets the local reference inside this object and does not modify the original Map.
        Specified by:
        setValue in interface java.util.Map.Entry
        Parameters:
        value - the new value
        Returns:
        the old value of the value
      • setKey

        public void setKey​(java.lang.Object key)
        Sets the key. This method does not modify any map.
        Parameters:
        key - the new key
      • hashCode

        public int hashCode()
        Implemented per API documentation of Map.Entry.hashCode()
        Specified by:
        hashCode in interface java.util.Map.Entry
        Overrides:
        hashCode in class java.lang.Object
      • equals

        public boolean equals​(java.lang.Object o)
        Implemented per API documentation of Map.Entry.equals(Object)
        Specified by:
        equals in interface java.util.Map.Entry
        Overrides:
        equals in class java.lang.Object