javolution.util.internal.map.UnmodifiableMapImpl< K, V > Class Template Reference

Inheritance diagram for javolution.util.internal.map.UnmodifiableMapImpl< K, V >:

Collaboration diagram for javolution.util.internal.map.UnmodifiableMapImpl< K, V >:

Classes
class	IteratorImpl

Public Member Functions
	UnmodifiableMapImpl (MapService< K, V > target)
void	clear ()
boolean	containsKey (Object key)
V	get (Object key)
Iterator< Entry< K, V > >	iterator ()
Equality<? super K >	keyComparator ()
V	put (K key, V value)
V	remove (Object key)
MapService< K, V >	threadSafe ()
Equality<? super V >	valueComparator ()
MapView< K, V >	clone ()
boolean	containsValue (Object value)
SetService< Entry< K, V > >	entrySet ()
boolean	isEmpty ()
SetService< K >	keySet ()
void	perform (Consumer< MapService< K, V >> action, MapService< K, V > view)
void	perform (Consumer< T > action, T part)
void	putAll (Map<? extends K, ? extends V > m)
V	putIfAbsent (K key, V value)
boolean	remove (Object key, Object value)
V	replace (K key, V value)
boolean	replace (K key, V oldValue, V newValue)
int	size ()
MapService< K, V >[]	split (int n)
void	update (Consumer< MapService< K, V >> action, MapService< K, V > view)
void	update (Consumer< T > action, T part)
CollectionService< V >	values ()

Protected Member Functions
MapService< K, V >	target ()

Private Attributes
MapService< K, V >	target

Static Private Attributes
static final long	serialVersionUID = 0x600L

Detailed Description

• An unmodifiable view over a map.

Definition at line 19 of file UnmodifiableMapImpl.java.

Constructor & Destructor Documentation

UnmodifiableMapImpl()

javolution.util.internal.map.UnmodifiableMapImpl< K, V >.UnmodifiableMapImpl

(

MapService< K, V >

target

)

Definition at line 44 of file UnmodifiableMapImpl.java.

                                                        {
        super(target);
    }

References javolution.util.internal.map.MapView< K, V >.target.

Member Function Documentation

clear()

void javolution.util.internal.map.UnmodifiableMapImpl< K, V >.clear

(

)

Reimplemented from javolution.util.internal.map.MapView< K, V >.

Definition at line 49 of file UnmodifiableMapImpl.java.

                        {
        throw new UnsupportedOperationException("Unmodifiable");
    }

clone()

MapView<K, V> javolution.util.internal.map.MapView< K, V >.clone ( )

inherited

Returns a copy of this map; updates of the copy should not impact the original.

Implements javolution.util.service.MapService< K, V >.

Reimplemented in javolution.util.internal.map.AtomicMapImpl< K, V >, and javolution.util.internal.map.FastMapImpl< K, V >.

Definition at line 232 of file MapView.java.

                                 {
        try {
            MapView<K, V> copy = (MapView<K, V>) super.clone();
            if (target != null) { // Not a root class.
                copy.target = target.clone();
            }
            return copy;
        } catch (CloneNotSupportedException e) {
            throw new Error("Should not happen since target is cloneable");
        }
    }

References javolution.util.internal.map.MapView< K, V >.clone(), and javolution.util.internal.map.MapView< K, V >.target.

Referenced by javolution.util.internal.map.MapView< K, V >.clone(), and javolution.util.internal.map.MapView< K, V >.split().

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containsKey()

boolean javolution.util.internal.map.UnmodifiableMapImpl< K, V >.containsKey

(

Object

key

)

Reimplemented from javolution.util.internal.map.MapView< K, V >.

Definition at line 54 of file UnmodifiableMapImpl.java.

                                           {
        return target().containsKey(key);
    }

References javolution.util.internal.map.MapView< K, V >.target.

containsValue()

boolean javolution.util.internal.map.MapView< K, V >.containsValue ( Object  value )

inherited

Reimplemented in javolution.util.internal.map.SharedMapImpl< K, V >, and javolution.util.internal.map.AtomicMapImpl< K, V >.

Definition at line 248 of file MapView.java.

                                               {
        return values().contains(value);
    }

References javolution.util.internal.map.MapView< K, V >.values().

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entrySet()

SetService<Entry<K, V> > javolution.util.internal.map.MapView< K, V >.entrySet ( )

inherited

Returns a set view over the entries of this map. The set support adding/removing entries. Two entries are considered equals if they have the same key regardless of their values.

Implements javolution.util.service.MapService< K, V >.

Reimplemented in javolution.util.internal.map.sorted.SortedMapView< K, V >, javolution.util.internal.map.sorted.SharedSortedMapImpl< K, V >, javolution.util.internal.map.sorted.AtomicSortedMapImpl< K, V >, and javolution.util.internal.map.sorted.UnmodifiableSortedMapImpl< K, V >.

Definition at line 253 of file MapView.java.

                                              {
        return new EntrySet();
    }

Referenced by javolution.util.internal.map.MapView< K, V >.KeySet.KeySet(), and javolution.util.internal.map.MapView< K, V >.Values.Values().

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get()

V javolution.util.internal.map.UnmodifiableMapImpl< K, V >.get

(

Object

key

)

Reimplemented from javolution.util.internal.map.MapView< K, V >.

Definition at line 59 of file UnmodifiableMapImpl.java.

                             {
        return target().get(key);
    }

References javolution.util.internal.map.MapView< K, V >.target.

isEmpty()

boolean javolution.util.internal.map.MapView< K, V >.isEmpty ( )

inherited

Reimplemented in javolution.util.internal.map.SharedMapImpl< K, V >, and javolution.util.internal.map.AtomicMapImpl< K, V >.

Definition at line 261 of file MapView.java.

                             {
        return iterator().hasNext();
    }

References javolution.util.internal.map.MapView< K, V >.iterator().

Referenced by javolution.util.internal.map.MapView< K, V >.EntrySet.isEmpty().

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iterator()

Iterator<Entry<K, V> > javolution.util.internal.map.UnmodifiableMapImpl< K, V >.iterator

(

)

Returns an iterator over this map entries.

Reimplemented from javolution.util.internal.map.MapView< K, V >.

Definition at line 64 of file UnmodifiableMapImpl.java.

                                            {
        return new IteratorImpl();
    }

keyComparator()

Equality<? super K> javolution.util.internal.map.UnmodifiableMapImpl< K, V >.keyComparator

(

)

Returns the key comparator used for key equality or order if the map is sorted.

Reimplemented from javolution.util.internal.map.MapView< K, V >.

Definition at line 69 of file UnmodifiableMapImpl.java.

                                               {
        return target().keyComparator();
    }

References javolution.util.internal.map.MapView< K, V >.target.

keySet()

SetService<K> javolution.util.internal.map.MapView< K, V >.keySet ( )

inherited

Returns a set view over the key of this map, the set support adding new key for which the value is automatically

null 

.

Implements javolution.util.service.MapService< K, V >.

Reimplemented in javolution.util.internal.map.sorted.SortedMapView< K, V >, javolution.util.internal.map.sorted.SharedSortedMapImpl< K, V >, javolution.util.internal.map.sorted.AtomicSortedMapImpl< K, V >, and javolution.util.internal.map.sorted.UnmodifiableSortedMapImpl< K, V >.

Definition at line 272 of file MapView.java.

                                  {
        return new KeySet();
    }

Referenced by javolution.util.FastSet< Index >.FastSet().

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perform() [1/2]

void javolution.util.internal.map.MapView< K, V >.perform ( Consumer< MapService< K, V >>  action, MapService< K, V >  view  )

inherited

Reimplemented in javolution.util.internal.map.ParallelMapImpl< K, V >, and javolution.util.internal.map.SequentialMapImpl< K, V >.

Definition at line 277 of file MapView.java.

                                                                                  {
        if (target == null) {
            action.accept(view);
        } else {
            target.perform(action, view);
        }
    }

References javolution.util.internal.map.MapView< K, V >.target.

Referenced by javolution.util.internal.map.MapView< K, V >.EntrySet.perform().

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perform() [2/2]

void javolution.util.function.Splittable< T >.perform ( Consumer< T >  action, T  part  )

inherited

Executes a read-only action on the specified part of this object.

Parameters

action	the read-only action.
part	this object or a part of it.

Exceptions

UnsupportedOperationException

if the action tries to update the specified part.

put()

V javolution.util.internal.map.UnmodifiableMapImpl< K, V >.put	(	K	key,
		V	value
	)

Reimplemented from javolution.util.internal.map.MapView< K, V >.

Definition at line 74 of file UnmodifiableMapImpl.java.

                                 {
        throw new UnsupportedOperationException("Unmodifiable");
    }

putAll()

void javolution.util.internal.map.MapView< K, V >.putAll ( Map<? extends K, ? extends V >  m )

inherited

Reimplemented in javolution.util.internal.map.SharedMapImpl< K, V >, and javolution.util.internal.map.AtomicMapImpl< K, V >.

Definition at line 290 of file MapView.java.

                                                        {
        Iterator<?> it = m.entrySet().iterator();
        while (it.hasNext()) {
            Entry<K, V> e = (Entry<K, V>) it.next();
            put(e.getKey(), e.getValue());
        }
    }

References javolution.util.internal.map.MapView< K, V >.put().

Referenced by javolution.util.internal.map.FastMapImpl< K, V >.clone().

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putIfAbsent()

V javolution.util.internal.map.MapView< K, V >.putIfAbsent ( K  key, V  value  )

inherited

Reimplemented in javolution.util.internal.map.SharedMapImpl< K, V >, javolution.util.internal.map.FastMapImpl< K, V >, and javolution.util.internal.map.AtomicMapImpl< K, V >.

Definition at line 299 of file MapView.java.

                                         {
        if (!containsKey(key)) return put(key, value);
        else return get(key);
    }

References javolution.util.internal.map.MapView< K, V >.containsKey(), and javolution.util.internal.map.MapView< K, V >.put().

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remove() [1/2]

V javolution.util.internal.map.UnmodifiableMapImpl< K, V >.remove

(

Object

key

)

Reimplemented from javolution.util.internal.map.MapView< K, V >.

Definition at line 79 of file UnmodifiableMapImpl.java.

                                {
        throw new UnsupportedOperationException("Unmodifiable");
    }

remove() [2/2]

boolean javolution.util.internal.map.MapView< K, V >.remove ( Object  key, Object  value  )

inherited

Reimplemented in javolution.util.internal.map.SharedMapImpl< K, V >, javolution.util.internal.map.FastMapImpl< K, V >, and javolution.util.internal.map.AtomicMapImpl< K, V >.

Definition at line 308 of file MapView.java.

                                                    {
        if (containsKey(key) && get(key).equals(value)) {
            remove(key);
            return true;
        } else return false;
    }

References javolution.util.internal.map.MapView< K, V >.containsKey().

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replace() [1/2]

boolean javolution.util.internal.map.MapView< K, V >.replace ( K  key, V  oldValue, V  newValue  )

inherited

Reimplemented in javolution.util.internal.map.SharedMapImpl< K, V >, javolution.util.internal.map.FastMapImpl< K, V >, and javolution.util.internal.map.AtomicMapImpl< K, V >.

Definition at line 323 of file MapView.java.

                                                          {
        if (containsKey(key) && get(key).equals(oldValue)) {
            put(key, newValue);
            return true;
        } else return false;
    }

References javolution.util.internal.map.MapView< K, V >.containsKey(), and javolution.util.internal.map.MapView< K, V >.put().

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replace() [2/2]

V javolution.util.internal.map.MapView< K, V >.replace ( K  key, V  value  )

inherited

Reimplemented in javolution.util.internal.map.SharedMapImpl< K, V >, javolution.util.internal.map.FastMapImpl< K, V >, and javolution.util.internal.map.AtomicMapImpl< K, V >.

Definition at line 316 of file MapView.java.

                                     {
        if (containsKey(key)) {
            return put(key, value);
        } else return null;
    }

References javolution.util.internal.map.MapView< K, V >.containsKey(), and javolution.util.internal.map.MapView< K, V >.put().

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size()

int javolution.util.internal.map.MapView< K, V >.size ( )

inherited

Reimplemented in javolution.util.internal.map.SharedMapImpl< K, V >, javolution.util.internal.map.FastMapImpl< K, V >, and javolution.util.internal.map.AtomicMapImpl< K, V >.

Definition at line 331 of file MapView.java.

                      {
        int count = 0;
        Iterator<Entry<K, V>> it = iterator();
        while (it.hasNext()) {
            count++;
            it.next();
        }
        return count;
    }

References javolution.util.internal.map.MapView< K, V >.iterator().

Referenced by javolution.util.internal.map.sorted.FastSortedMapImpl< K, V >.put(), and javolution.util.internal.map.MapView< K, V >.EntrySet.size().

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split()

MapService<K, V> [] javolution.util.internal.map.MapView< K, V >.split ( int  n )

inherited

Returns

n 

distinct parts of this object. This method may return an array of size less than

n 

(e.g. an array of size one if this object cannot split).

Parameters

n	the number of parts.

Returns

the distinct parts (or views) for this object.

Exceptions

IllegalArgumentException

if n <= 1

Implements javolution.util.function.Splittable< T >.

Reimplemented in javolution.util.internal.map.SharedMapImpl< K, V >, javolution.util.internal.map.FastMapImpl< K, V >, and javolution.util.internal.map.AtomicMapImpl< K, V >.

Definition at line 343 of file MapView.java.

                                           {
        if (target == null) return new MapService[] { this }; // No split.
        MapService<K, V>[] subTargets = target.split(n);
        MapService<K, V>[] result = new MapService[subTargets.length];
        for (int i = 0; i < subTargets.length; i++) {
            MapView<K, V> copy = this.clone();
            copy.target = subTargets[i];
            result[i] = copy;
        }
        return result;
    }

References javolution.util.internal.map.MapView< K, V >.clone(), and javolution.util.internal.map.MapView< K, V >.target.

Referenced by javolution.util.internal.map.MapView< K, V >.EntrySet.split().

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target()

MapService<K, V> javolution.util.internal.map.MapView< K, V >.target ( )

protectedinherited

Returns the actual target

Reimplemented in javolution.util.internal.map.sorted.SortedMapView< K, V >, javolution.util.internal.map.sorted.SharedSortedMapImpl< K, V >, and javolution.util.internal.map.sorted.UnmodifiableSortedMapImpl< K, V >.

Definition at line 378 of file MapView.java.

                                        {
        return target;
    }

References javolution.util.internal.map.MapView< K, V >.target.

threadSafe()

MapService<K, V> javolution.util.internal.map.UnmodifiableMapImpl< K, V >.threadSafe

(

)

Returns a thread-safe version of this service (used during parallel updates).

Reimplemented from javolution.util.internal.map.MapView< K, V >.

Reimplemented in javolution.util.internal.map.sorted.UnmodifiableSortedMapImpl< K, V >.

Definition at line 84 of file UnmodifiableMapImpl.java.

                                         {
        return this;
    }

update() [1/2]

void javolution.util.internal.map.MapView< K, V >.update ( Consumer< MapService< K, V >>  action, MapService< K, V >  view  )

inherited

Reimplemented in javolution.util.internal.map.ParallelMapImpl< K, V >, javolution.util.internal.map.AtomicMapImpl< K, V >, and javolution.util.internal.map.SequentialMapImpl< K, V >.

Definition at line 361 of file MapView.java.

                                                                                 {
        if (target == null) {
            action.accept(view);
        } else {
            target.update(action, view);
        }
    }

References javolution.util.internal.map.MapView< K, V >.target.

Referenced by javolution.util.internal.map.MapView< K, V >.EntrySet.update().

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update() [2/2]

void javolution.util.function.Splittable< T >.update ( Consumer< T >  action, T  part  )

inherited

Executes an update action on the specified part of this object. Any change to the part is reflected in the whole (this object).

Parameters

action	the action authorized to update this object part.
part	this object or a part of it.

valueComparator()

Equality<? super V> javolution.util.internal.map.UnmodifiableMapImpl< K, V >.valueComparator

(

)

Returns the value comparator used for value equality.

Reimplemented from javolution.util.internal.map.MapView< K, V >.

Definition at line 89 of file UnmodifiableMapImpl.java.

                                                 {
        return target().valueComparator();
    }

References javolution.util.internal.map.MapView< K, V >.target.

values()

CollectionService<V> javolution.util.internal.map.MapView< K, V >.values ( )

inherited

Returns a collection view over the values of this map, the collection support value/entry removal but not adding new values.

Implements javolution.util.service.MapService< K, V >.

Definition at line 373 of file MapView.java.

                                         {
        return new Values();
    }

Referenced by javolution.util.internal.map.MapView< K, V >.containsValue().

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Member Data Documentation

serialVersionUID

final long javolution.util.internal.map.UnmodifiableMapImpl< K, V >.serialVersionUID = 0x600L

staticprivate

Definition at line 42 of file UnmodifiableMapImpl.java.

target

MapService<K, V> javolution.util.internal.map.MapView< K, V >.target

privateinherited

Reimplemented in javolution.util.internal.map.sorted.SortedMapView< K, V >, javolution.util.internal.map.sorted.SharedSortedMapImpl< K, V >, and javolution.util.internal.map.sorted.UnmodifiableSortedMapImpl< K, V >.

Definition at line 213 of file MapView.java.

Referenced by javolution.util.internal.map.AtomicMapImpl< K, V >.AtomicMapImpl(), javolution.util.internal.map.sorted.AtomicSortedMapImpl< K, V >.AtomicSortedMapImpl(), javolution.util.internal.map.SharedMapImpl< K, V >.clear(), javolution.util.internal.map.MapView< K, V >.clone(), javolution.util.internal.map.AtomicMapImpl< K, V >.cloneTarget(), javolution.util.internal.map.SharedMapImpl< K, V >.cloneTarget(), javolution.util.internal.map.sorted.AtomicSortedMapImpl< K, V >.comparator(), javolution.util.internal.map.SequentialMapImpl< K, V >.containsKey(), javolution.util.internal.map.ParallelMapImpl< K, V >.containsKey(), javolution.util.internal.map.UnmodifiableMapImpl< K, V >.containsKey(), javolution.util.internal.map.SharedMapImpl< K, V >.containsKey(), javolution.util.internal.map.SharedMapImpl< K, V >.containsValue(), javolution.util.internal.map.SequentialMapImpl< K, V >.get(), javolution.util.internal.map.ParallelMapImpl< K, V >.get(), javolution.util.internal.map.UnmodifiableMapImpl< K, V >.get(), javolution.util.internal.map.SharedMapImpl< K, V >.get(), javolution.util.internal.map.SharedMapImpl< K, V >.isEmpty(), javolution.util.internal.map.SequentialMapImpl< K, V >.iterator(), javolution.util.internal.map.ParallelMapImpl< K, V >.iterator(), javolution.util.internal.map.SequentialMapImpl< K, V >.keyComparator(), javolution.util.internal.map.ParallelMapImpl< K, V >.keyComparator(), javolution.util.internal.map.UnmodifiableMapImpl< K, V >.keyComparator(), javolution.util.internal.map.SharedMapImpl< K, V >.keyComparator(), javolution.util.internal.map.MapView< K, V >.MapView(), javolution.util.internal.map.ParallelMapImpl< K, V >.ParallelMapImpl(), javolution.util.internal.map.ParallelMapImpl< K, V >.perform(), javolution.util.internal.map.MapView< K, V >.perform(), javolution.util.internal.map.SequentialMapImpl< K, V >.put(), javolution.util.internal.map.ParallelMapImpl< K, V >.put(), javolution.util.internal.map.AtomicMapImpl< K, V >.put(), javolution.util.internal.map.SharedMapImpl< K, V >.put(), javolution.util.internal.map.AtomicMapImpl< K, V >.putAll(), javolution.util.internal.map.SharedMapImpl< K, V >.putAll(), javolution.util.internal.map.AtomicMapImpl< K, V >.putIfAbsent(), javolution.util.internal.map.SharedMapImpl< K, V >.putIfAbsent(), javolution.util.internal.map.SequentialMapImpl< K, V >.remove(), javolution.util.internal.map.ParallelMapImpl< K, V >.remove(), javolution.util.internal.map.AtomicMapImpl< K, V >.remove(), javolution.util.internal.map.SharedMapImpl< K, V >.remove(), javolution.util.internal.map.AtomicMapImpl< K, V >.replace(), javolution.util.internal.map.SharedMapImpl< K, V >.replace(), javolution.util.internal.map.SequentialMapImpl< K, V >.SequentialMapImpl(), javolution.util.internal.map.SharedMapImpl< K, V >.SharedMapImpl(), javolution.util.internal.map.SharedMapImpl< K, V >.size(), javolution.util.internal.map.SharedMapImpl< K, V >.split(), javolution.util.internal.map.MapView< K, V >.split(), javolution.util.internal.map.MapView< K, V >.target(), javolution.util.internal.map.AtomicMapImpl< K, V >.targetView(), javolution.util.internal.map.UnmodifiableMapImpl< K, V >.UnmodifiableMapImpl(), javolution.util.internal.map.ParallelMapImpl< K, V >.update(), javolution.util.internal.map.AtomicMapImpl< K, V >.update(), javolution.util.internal.map.MapView< K, V >.update(), javolution.util.internal.map.SequentialMapImpl< K, V >.valueComparator(), javolution.util.internal.map.UnmodifiableMapImpl< K, V >.valueComparator(), javolution.util.internal.map.ParallelMapImpl< K, V >.valueComparator(), and javolution.util.internal.map.SharedMapImpl< K, V >.valueComparator().

---

The documentation for this class was generated from the following file:

• UnmodifiableMapImpl.java