org.apache.commons.chain.web
Class MapEntry

java.lang.Object
  org.apache.commons.chain.web.MapEntry

All Implemented Interfaces:

Map.Entry

public class MapEntry
extends Object
implements Map.Entry

Map.Entry implementation that can be constructed to either be read-only or not.

Version:

$Revision: 480477 $ $Date: 2006-11-29 08:34:52 +0000 (Wed, 29 Nov 2006) $

Constructor Summary

MapEntry(Object key, Object value, boolean modifiable)
Creates a map entry that can either allow modifications or not.

Method Summary

boolean	equals(Object o) Determines if this entry is equal to the passed object.
Object	getKey() Gets the entry key.
Object	getValue() Gets the entry value.
int	hashCode() Returns the hashcode for this entry.
Object	setValue(Object val) Sets the entry value if the entry can be modified.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapEntry

public MapEntry(Object key,
                Object value,
                boolean modifiable)

Creates a map entry that can either allow modifications or not.

Parameters:

key - The entry key

value - The entry value

modifiable - Whether the entry should allow modification or not

Method Detail

getKey

public Object getKey()

Gets the entry key.

Specified by:

getKey in interface Map.Entry

Returns:

The entry key

getValue

public Object getValue()

Gets the entry value.

Specified by:

getValue in interface Map.Entry

Returns:

The entry key

setValue

public Object setValue(Object val)

Sets the entry value if the entry can be modified.

Specified by:

setValue in interface Map.Entry

Parameters:

val - The new value

Returns:

The old entry value

Throws:

UnsupportedOperationException - If the entry cannot be modified

equals

public boolean equals(Object o)

Determines if this entry is equal to the passed object.

Specified by:

equals in interface Map.Entry

Overrides:

equals in class Object

Parameters:

o - The object to test

Returns:

True if equal, else false

hashCode

public int hashCode()

Returns the hashcode for this entry.

Specified by:

hashCode in interface Map.Entry

Overrides:

hashCode in class Object

Returns:

The and'ed hashcode of the key and value