Package org.apache.commons.chain.web

Class MapEntry

java.lang.Object

org.apache.commons.chain.web.MapEntry

All Implemented Interfaces:

java.util.Map.Entry

public class MapEntry
extends java.lang.Object
implements java.util.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) $

Field Summary

Fields

Modifier and Type	Field	Description
private java.lang.Object	key	The entry key.
private boolean	modifiable	Whether the entry can be modified.
private java.lang.Object	value	The entry value.

Constructor Summary

Constructors

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

Method Summary

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

Methods inherited from interface java.util.Map.Entry

comparingByKey, comparingByKey, comparingByValue, comparingByValue

Methods inherited from class java.lang.Object

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

Field Detail

key

private java.lang.Object key

The entry key.

value

private java.lang.Object value

The entry value.

modifiable

private boolean modifiable

Whether the entry can be modified.

Constructor Detail

MapEntry

public MapEntry(java.lang.Object key,
                java.lang.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 java.lang.Object getKey()

Gets the entry key.

Specified by:

getKey in interface java.util.Map.Entry

Returns:

The entry key

getValue

public java.lang.Object getValue()

Gets the entry value.

Specified by:

getValue in interface java.util.Map.Entry

Returns:

The entry key

setValue

public java.lang.Object setValue(java.lang.Object val)

Sets the entry value if the entry can be modified.

Specified by:

setValue in interface java.util.Map.Entry

Parameters:

val - The new value

Returns:

The old entry value

Throws:

java.lang.UnsupportedOperationException - If the entry cannot be modified

equals

public boolean equals(java.lang.Object o)

Determines if this entry is equal to the passed object.

Specified by:

equals in interface java.util.Map.Entry

Overrides:

equals in class java.lang.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 java.util.Map.Entry

Overrides:

hashCode in class java.lang.Object

Returns:

The and'ed hashcode of the key and value