Package org.apache.commons.collections

Class DefaultMapEntry

java.lang.Object
org.apache.commons.collections.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 Summary

    Constructors
    Constructor
    Description
    DefaultMapEntry()
    Deprecated.
    Constructs a new DefaultMapEntry with a null key and null value.
    DefaultMapEntry(Object key, Object value)
    Deprecated.
    Constructs a new DefaultMapEntry with the given key and given value.
    DefaultMapEntry(Map.Entry entry)
    Deprecated.
    Constructs a new DefaultMapEntry with the given key and given value.

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    equals(Object obj)
    Deprecated.
    Compares this Map Entry with another Map Entry.
    Object
    getKey()
    Deprecated.
    Gets the key from the Map Entry.
    Object
    getValue()
    Deprecated.
    Gets the value from the Map Entry.
    int
    hashCode()
    Deprecated.
    Gets a hashCode compatible with the equals method.
    void
    setKey(Object key)
    Deprecated.
    Sets the key stored in this Map Entry.
    Object
    setValue(Object value)
    Deprecated.
    Sets the value stored in this Map Entry.
    String
    toString()
    Deprecated.
    Written to match the output of the Map.Entry's used in a HashMap.

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • 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 Details

    • 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