PersistentSnippet.java revision 3062:15bdc18525ff 
1/*
2 * Copyright (c) 2015, 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
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7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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24 */
25package jdk.jshell;
26
27/**
28 * Grouping for Snippets which persist and influence future code.
29 * A persistent snippet can be
30 * {@linkplain jdk.jshell.Snippet.Status#OVERWRITTEN overwritten)}
31 * with new input and can be dropped {@link JShell#drop}.
32 * <p>
33 * <code>PersistentSnippet</code> is immutable: an access to
34 * any of its methods will always return the same result.
35 * and thus is thread-safe.
36 */
37public abstract class PersistentSnippet extends Snippet {
38
39    PersistentSnippet(Key key, String userSource, Wrap guts, String unitName, SubKind subkind) {
40        super(key, userSource, guts, unitName, subkind);
41    }
42
43    /**
44     * Name of the Snippet.
45     *
46     * @return the name of the snippet.
47     */
48    @Override
49    public String name() {
50        return unitName;
51    }
52}
53