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/* abstractmap.vala
*
* Copyright (C) 2007 Jürg Billeter
* Copyright (C) 2009 Didier Villevalois
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Tomaž Vajngerl <quikee@gmail.com>
*/
/**
* Skeletal implementation of the {@link Map} interface.
*
* Contains common code shared by all map implementations.
*
* @see HashMap
* @see TreeMap
*/
public abstract class Gee.AbstractMap<K,V> : Object, Traversable<Map.Entry<K,V>>, Iterable<Map.Entry<K,V>>, Map<K,V> {
/**
* {@inheritDoc}
*/
public abstract int size { get; }
/**
* {@inheritDoc}
*/
public abstract bool read_only { get; }
/**
* {@inheritDoc}
*/
public abstract Set<K> keys { owned get; }
/**
* {@inheritDoc}
*/
public abstract Collection<V> values { owned get; }
/**
* {@inheritDoc}
*/
public abstract Set<Map.Entry<K,V>> entries { owned get; }
/**
* {@inheritDoc}
*/
public abstract bool has_key (K key);
/**
* {@inheritDoc}
*/
public abstract bool has (K key, V value);
/**
* {@inheritDoc}
*/
public abstract new V? get (K key);
/**
* {@inheritDoc}
*/
public abstract new void set (K key, V value);
/**
* {@inheritDoc}
*/
public abstract bool unset (K key, out V? value = null);
/**
* {@inheritDoc}
*/
public abstract MapIterator<K,V> map_iterator ();
/**
* {@inheritDoc}
*/
public abstract void clear ();
private weak Map<K,V> _read_only_view;
/**
* {@inheritDoc}
*/
public virtual Map<K,V> read_only_view {
owned get {
Map<K,V> instance = _read_only_view;
if (_read_only_view == null) {
instance = new ReadOnlyMap<K,V> (this);
_read_only_view = instance;
instance.add_weak_pointer ((void**) (&_read_only_view));
}
return instance;
}
}
/**
* {@inheritDoc}
*/
public Iterator<Map.Entry<K,V>> iterator () {
return entries.iterator ();
}
/**
* {@inheritDoc}
*/
public virtual bool foreach (ForallFunc<Map.Entry<K,V>> f) {
return iterator ().foreach (f);
}
/**
* {@inheritDoc}
*/
public virtual Iterator<A> stream<A> (owned StreamFunc<Map.Entry<K,V>, A> f) {
return iterator ().stream<A> ((owned) f);
}
// Future-proofing
internal new virtual void reserved0() {}
internal new virtual void reserved1() {}
internal new virtual void reserved2() {}
internal new virtual void reserved3() {}
internal new virtual void reserved4() {}
internal new virtual void reserved5() {}
internal new virtual void reserved6() {}
internal new virtual void reserved7() {}
internal new virtual void reserved8() {}
internal new virtual void reserved9() {}
}
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