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<> {} --> does not occur. 33 * class X<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 @SuppressWarnings("unchecked") 44 default N setTypeParameter(int i, TypeParameter typeParameter) { 45 getTypeParameters().set(i, typeParameter); 46 return (N) this; 47 } 48 49 @SuppressWarnings("unchecked") 50 default N addTypeParameter(TypeParameter typeParameter) { 51 getTypeParameters().add(typeParameter); 52 return (N) this; 53 } 54 55 N setTypeParameters(NodeList<TypeParameter> typeParameters); 56 57 default boolean isGeneric() { 58 return getTypeParameters().size() > 0; 59 } 60} 61