org.apache.commons.collections
Class DefaultMapEntry

java.lang.Object
  |
  +--org.apache.commons.collections.DefaultMapEntry

All Implemented Interfaces:

KeyValue, Map.Entry

Deprecated. Use the version in the keyvalue subpackage. Will be removed in v4.0

public class DefaultMapEntry

extends Object

implements Map.Entry, KeyValue

A default implementation of Map.Entry

Since:

Commons Collections 1.0

Version:

$Revision: 1.21 $ $Date: 2004/02/18 01:15:42 $

Author:

James Strachan, Michael A. Smith, Neil O'Toole, Stephen Colebourne

Constructor Summary

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

DefaultMapEntry(Map.Entry entry)
Deprecated. Constructs a new DefaultMapEntry with the given key and given value.

DefaultMapEntry(Object key, Object value)
Deprecated. Constructs a new DefaultMapEntry with the given key and given value.

Method Summary

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 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 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 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