PubApiTypeParam.java revision 3003:83512da73f99
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
6 * under the terms of the GNU General Public License version 2 only, as
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.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package com.sun.tools.sjavac.pubapi;
27
28import java.io.Serializable;
29import java.util.List;
30import java.util.stream.Collectors;
31
32public class PubApiTypeParam implements Serializable {
33
34    private static final long serialVersionUID = 8899204612014329162L;
35
36    private final String identifier;
37    private final List<TypeDesc> bounds;
38
39    public PubApiTypeParam(String identifier, List<TypeDesc> bounds) {
40        this.identifier = identifier;
41        this.bounds = bounds;
42    }
43
44    @Override
45    public boolean equals(Object obj) {
46        if (getClass() != obj.getClass())
47            return false;
48        PubApiTypeParam other = (PubApiTypeParam) obj;
49        return identifier.equals(other.identifier)
50            && bounds.equals(other.bounds);
51    }
52
53    @Override
54    public int hashCode() {
55        return identifier.hashCode() ^ bounds.hashCode();
56    }
57
58    public String asString() {
59        if (bounds.isEmpty())
60            return identifier;
61        String boundsStr = bounds.stream()
62                                 .map(TypeDesc::encodeAsString)
63                                 .collect(Collectors.joining(" & "));
64        return identifier + " extends " + boundsStr;
65    }
66
67    @Override
68    public String toString() {
69        return String.format("%s[id: %s, bounds: %s]",
70                             getClass().getSimpleName(),
71                             identifier,
72                             bounds);
73    }
74}
75