1 /*
2 * Copyright (c) 2017, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24
25 package jdk.internal.vm.compiler.collections;
26
27 import java.util.Iterator;
28
29 /**
30 * Memory efficient set data structure.
31 *
32 * @since 1.0
33 */
34 public interface EconomicSet<E> extends UnmodifiableEconomicSet<E> {
35
36 /**
37 * Adds {@code element} to this set if it is not already present.
38 *
39 * @return {@code true} if this set did not already contain {@code element}.
40 * @since 1.0
41 */
42 boolean add(E element);
43
44 /**
|
1 /*
2 * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * The Universal Permissive License (UPL), Version 1.0
6 *
7 * Subject to the condition set forth below, permission is hereby granted to any
8 * person obtaining a copy of this software, associated documentation and/or
9 * data (collectively the "Software"), free of charge and under any and all
10 * copyright rights in the Software, and any and all patent rights owned or
11 * freely licensable by each licensor hereunder covering either (i) the
12 * unmodified Software as contributed to or provided by such licensor, or (ii)
13 * the Larger Works (as defined below), to deal in both
14 *
15 * (a) the Software, and
16 *
17 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
18 * one is included with the Software each a "Larger Work" to which the Software
19 * is contributed by such licensors),
20 *
21 * without restriction, including without limitation the rights to copy, create
22 * derivative works of, display, perform, and distribute the Software and make,
23 * use, sell, offer for sale, import, export, have made, and have sold the
24 * Software and the Larger Work(s), and to sublicense the foregoing rights on
25 * either these or other terms.
26 *
27 * This license is subject to the following condition:
28 *
29 * The above copyright notice and either this complete permission notice or at a
30 * minimum a reference to the UPL must be included in all copies or substantial
31 * portions of the Software.
32 *
33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
34 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
35 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
36 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
37 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
38 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
39 * SOFTWARE.
40 */
41 package jdk.internal.vm.compiler.collections;
42
43 import java.util.Iterator;
44
45 /**
46 * Memory efficient set data structure.
47 *
48 * @since 1.0
49 */
50 public interface EconomicSet<E> extends UnmodifiableEconomicSet<E> {
51
52 /**
53 * Adds {@code element} to this set if it is not already present.
54 *
55 * @return {@code true} if this set did not already contain {@code element}.
56 * @since 1.0
57 */
58 boolean add(E element);
59
60 /**
|