NodeWithTypeParameters.java revision 76f5dc9d043237e8ada0e6597d6c8d48b67f6d8f 
1/*
2 * Copyright (C) 2007-2010 Júlio Vilmar Gesser.
3 * Copyright (C) 2011, 2013-2016 The JavaParser Team.
4 *
5 * This file is part of JavaParser.
6 *
7 * JavaParser can be used either under the terms of
8 * a) the GNU Lesser General Public License as published by
9 *     the Free Software Foundation, either version 3 of the License, or
10 *     (at your option) any later version.
11 * b) the terms of the Apache License
12 *
13 * You should have received a copy of both licenses in LICENCE.LGPL and
14 * LICENCE.APACHE. Please refer to those files for details.
15 *
16 * JavaParser is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 * GNU Lesser General Public License for more details.
20 */
21
22package com.github.javaparser.ast.nodeTypes;
23
24import com.github.javaparser.ast.Node;
25import com.github.javaparser.ast.NodeList;
26import com.github.javaparser.ast.type.TypeParameter;
27
28/**
29 * A node that can have type parameters.
30 * <pre>
31 *     class X {}        --> typeParameters == []
32 *     class X&lt;> {}      --> does not occur.
33 *     class X&lt;C,D> {}   --> typeParameters = [C,D]
34 * </pre>
35 */
36public interface NodeWithTypeParameters<N extends Node> {
37    NodeList<TypeParameter> getTypeParameters();
38
39    default TypeParameter getTypeParameter(int i) {
40        return getTypeParameters().get(i);
41    }
42
43    N setTypeParameters(NodeList<TypeParameter> typeParameters);
44
45    default boolean isGeneric() {
46        return getTypeParameters().size() > 0;
47    }
48}
49