net.sf.molae.pipe.keyed
Class KeyedSetAsMap

java.lang.Object
  |
  +--java.util.AbstractMap
        |
        +--net.sf.molae.pipe.keyed.KeyedSetAsMap

All Implemented Interfaces:

Map

public final class KeyedSetAsMap

extends AbstractMap

A set of Keyed objects represented as a map. The performance of this map is not good, so it should be used for transformtion only.

Inner classes inherited from class java.util.Map

Map.Entry

Constructor Summary

KeyedSetAsMap(Collection base)
Creates a new map from the specified collection of keyed objects.

Method Summary

void	clear() Removes all mappings from the base set.
boolean	containsValue(Object value)
Set	entrySet()
Object	put(Object key, Object value)
int	size()
Collection	values()

Methods inherited from class java.util.AbstractMap

containsKey, equals, get, hashCode, isEmpty, keySet, putAll, remove, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

KeyedSetAsMap

public KeyedSetAsMap(Collection base)

Creates a new map from the specified collection of keyed objects.

Parameters:

base - the underlying collection of keyed objects

Throws:

ClassCastException - if any element of the collection is not a Keyed object.

NullPointerException - if the specified collection is null.

Method Detail

size

public int size()

Overrides:

size in class AbstractMap

containsValue

public boolean containsValue(Object value)

Overrides:

containsValue in class AbstractMap

put

public Object put(Object key,
                  Object value)

Overrides:

put in class AbstractMap

Throws:

ClassCastException - value is not a Keyed object or the base set does not allow the class of the specified object

IllegalArgumentException - The specified key is not the key of the specified value or the base set does not allow the specified value

NullPointerException - if value is null

UnsupportedOperationException - if the base set does not allow new values

clear

public void clear()

Removes all mappings from the base set.

Overrides:

clear in class AbstractMap

Throws:

UnsupportedOperationException - depending on the base set

values

public Collection values()

Overrides:

values in class AbstractMap

entrySet

public Set entrySet()

Overrides:

entrySet in class AbstractMap