com.vaadin.server

Class KeyMapper<V>

java.lang.Object

com.vaadin.server.KeyMapper<V>

All Implemented Interfaces:

Serializable

public class KeyMapper<V>
extends Object
implements Serializable

KeyMapper is the simple two-way map for generating textual keys for objects and retrieving the objects later with the key.

Since:

3.0

Author:

Vaadin Ltd.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
KeyMapper()

Method Summary

Modifier and Type	Method and Description
boolean	containsKey(String key) Checks if the given key is mapped to an object.
V	get(String key) Retrieves object with the key.
String	key(V o) Gets key for an object.
void	remove(V removeobj) Removes object from the mapper.
void	removeAll() Removes all objects from the mapper.

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyMapper

public KeyMapper()

Method Detail

key

public String key(V o)

Gets key for an object.

Parameters:

o - the object.

get

public V get(String key)

Retrieves object with the key.

Parameters:

key - the name with the desired value.

Returns:

the object with the key.

remove

public void remove(V removeobj)

Removes object from the mapper.

Parameters:

removeobj - the object to be removed.

removeAll

public void removeAll()

Removes all objects from the mapper.

containsKey

public boolean containsKey(String key)

Checks if the given key is mapped to an object.

Parameters:

key - the key to check

Returns:

true if the key is currently mapped, false otherwise

Since:

7.7