1/*
2 * Copyright (c) 2005, 2011, 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 javax.lang.model.element;
27
28import java.util.List;
29import javax.lang.model.type.TypeMirror;
30import javax.lang.model.type.TypeVariable;
31
32/**
33 * Represents a formal type parameter of a generic class, interface, method,
34 * or constructor element.
35 * A type parameter declares a {@link TypeVariable}.
36 *
37 * @author Joseph D. Darcy
38 * @author Scott Seligman
39 * @author Peter von der Ahé
40 * @see TypeVariable
41 * @since 1.6
42 */
43public interface TypeParameterElement extends Element {
44
45    /**
46     * Returns the generic class, interface, method, or constructor that is
47     * parameterized by this type parameter.
48     *
49     * @return the generic class, interface, method, or constructor that is
50     * parameterized by this type parameter
51     */
52    Element getGenericElement();
53
54    /**
55     * Returns the bounds of this type parameter.
56     * These are the types given by the {@code extends} clause
57     * used to declare this type parameter.
58     * If no explicit {@code extends} clause was used,
59     * then {@code java.lang.Object} is considered to be the sole bound.
60     *
61     * @return the bounds of this type parameter, or an empty list if
62     * there are none
63     */
64    List<? extends TypeMirror> getBounds();
65
66    /**
67     * Returns the {@linkplain TypeParameterElement#getGenericElement generic element} of this type parameter.
68     *
69     * @return the generic element of this type parameter
70     */
71    @Override
72    Element getEnclosingElement();
73}
74