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/* readonlymultiset.vala
*
* Copyright (C) 2013 Maciej Piechotka
*
* 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:
* Maciej Piechotka <uzytkownik2@gmail.com>
*/
using GLib;
/**
* Read-only view for {@link MultiSet} collections.
*
* This class decorates any class which implements the {@link Collection}
* interface by making it read only. Any method which normally modify data will
* throw an error.
*
* @see MultiSet
*/
internal class Gee.ReadOnlyMultiSet<G> : Gee.ReadOnlyCollection<G>, MultiSet<G> {
/**
* Constructs a read-only multi-set that mirrors the content of the specified
* list.
*
* @param multiset the multi-set to decorate.
*/
public ReadOnlyMultiSet (MultiSet<G> multiset) {
base (multiset);
}
/**
* {@inheritDoc}
*/
public int count (G item) {
return ((Gee.MultiSet<G>) _collection).count (item);
}
/**
* {@inheritDoc}
*/
public virtual new MultiSet<G> read_only_view { owned get { return this; } }
}
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