Mercurial > hg > truffle
diff truffle/com.oracle.truffle.object/src/com/oracle/truffle/object/ImmutableMap.java @ 22153:b59d06483580
PropertyMap refactoring
author | Andreas Woess <andreas.woess@oracle.com> |
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date | Mon, 14 Sep 2015 18:32:54 +0200 |
parents | |
children | dc83cc1f94f2 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/truffle/com.oracle.truffle.object/src/com/oracle/truffle/object/ImmutableMap.java Mon Sep 14 18:32:54 2015 +0200 @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2015, 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code 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 General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package com.oracle.truffle.object; + +import java.util.*; + +/** + * An immutable {@link Map}. Does not permit null keys or values. + */ +public interface ImmutableMap<K, V> extends Map<K, V> { + + /** + * Creates an immutable copy of this map with the given entry put in the map. + */ + ImmutableMap<K, V> copyAndPut(final K key, final V value); + + /** + * Creates an immutable copy of this map with the given entry removed from the map. + */ + ImmutableMap<K, V> copyAndRemove(final K key); + +}