Package org.apache.commons.collections

Class DefaultMapEntry

  • All Implemented Interfaces:
    Map.Entry, KeyValue
    public class DefaultMapEntry
extends Object
implements Map.Entry, KeyValue
    Deprecated.
    Use the version in the keyvalue subpackage. Will be removed in v4.0
    A default implementation of Map.Entry
    Since:
    Commons Collections 1.0
    Version:
    $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
    Author:
    James Strachan, Michael A. Smith, Neil O'Toole, Stephen Colebourne

    • Constructor Detail

      • DefaultMapEntry

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

      • DefaultMapEntry

        public DefaultMapEntry​(Map.Entry entry)
        Deprecated.
        Constructs a new DefaultMapEntry with the given key and given value.
        Parameters:
        entry - the entry to copy, must not be null
        Throws:
        NullPointerException - if the entry is null

      • DefaultMapEntry

        public DefaultMapEntry​(Object key,
                       Object value)
        Deprecated.
        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 Object getKey()
        Deprecated.
        Gets the key from the Map Entry.
        Specified by:
        getKey in interface KeyValue
        Specified by:
        getKey in interface Map.Entry
        Returns:
        the key

      • setKey

        public void setKey​(Object key)
        Deprecated.
        Sets the key stored in this Map Entry.

        This Map Entry is not connected to a Map, so only the local data is changed.

        Parameters:
        key - the new key

      • getValue

        public Object getValue()
        Deprecated.
        Gets the value from the Map Entry.
        Specified by:
        getValue in interface KeyValue
        Specified by:
        getValue in interface Map.Entry
        Returns:
        the value

      • setValue

        public Object setValue​(Object value)
        Deprecated.
        Sets the value stored in this Map Entry.

        This Map Entry is not connected to a Map, so only the local data is changed.

        Specified by:
        setValue in interface Map.Entry
        Parameters:
        value - the new value
        Returns:
        the previous value

      • equals

        public boolean equals​(Object obj)
        Deprecated.
        Compares this Map Entry with another Map Entry.

        Implemented per API documentation of Map.Entry.equals(Object)

        Specified by:
        equals in interface Map.Entry
        Overrides:
        equals in class Object
        Parameters:
        obj - the object to compare to
        Returns:
        true if equal key and value

      • hashCode

        public int hashCode()
        Deprecated.
        Gets a hashCode compatible with the equals method.

        Implemented per API documentation of Map.Entry.hashCode()

        Specified by:
        hashCode in interface Map.Entry
        Overrides:
        hashCode in class Object
        Returns:
        a suitable hash code

      • toString

        public String toString()
        Deprecated.
        Written to match the output of the Map.Entry's used in a HashMap.
        Overrides:
        toString in class Object
        Since:
        3.0