Class UnmodifiableMap

Method Details

• decorate

  public static Map decorate(Map map)

  Factory method to create an unmodifiable map.

  Parameters:

  map - the map to decorate, must not be null

  Throws:

  IllegalArgumentException - if map is null

• clear

  public void clear()

  Specified by:

  clear in interface Map

  Overrides:

  clear in class AbstractMapDecorator

• put

  public Object put(Object key, Object value)

  Specified by:

  put in interface Map

  Overrides:

  put in class AbstractMapDecorator

• putAll

  public void putAll(Map mapToCopy)

  Specified by:

  putAll in interface Map

  Overrides:

  putAll in class AbstractMapDecorator

• remove

  public Object remove(Object key)

  Specified by:

  remove in interface Map

  Overrides:

  remove in class AbstractMapDecorator

• mapIterator

  public MapIterator mapIterator()

  Description copied from interface: IterableMap

  Obtains a MapIterator over the map.

  A map iterator is an efficient way of iterating over maps. There is no need to access the entry set or cast to Map Entry objects.

   IterableMap map = new HashedMap();
   MapIterator it = map.mapIterator();
   while (it.hasNext()) {
     Object key = it.next();
     Object value = it.getValue();
     it.setValue("newValue");
   }
   

  Specified by:

  mapIterator in interface IterableMap

  Returns:

  a map iterator

• entrySet

  public Set entrySet()

  Specified by:

  entrySet in interface Map

  Overrides:

  entrySet in class AbstractMapDecorator

• keySet

  public Set keySet()

  Specified by:

  keySet in interface Map

  Overrides:

  keySet in class AbstractMapDecorator

• values

  public Collection values()

  Specified by:

  values in interface Map

  Overrides:

  values in class AbstractMapDecorator