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 26 package javax.lang.model.element; 27 28 import java.util.List; 29 import javax.lang.model.type.TypeMirror; 30 import 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 */ 43 public interface TypeParameterElement extends Element { 44 /** 45 * Returns the {@linkplain TypeVariable type variable} corresponding to this type parameter element. 46 * 47 * @see TypeVariable 48 * 49 * @return the type variable corresponding to this type parameter element 50 */ 51 @Override 52 TypeMirror asType(); 53 54 /** 55 * Returns the generic class, interface, method, or constructor that is 56 * parameterized by this type parameter. 57 * 58 * @return the generic class, interface, method, or constructor that is 59 * parameterized by this type parameter 60 */ 61 Element getGenericElement(); 62 63 /** 64 * Returns the bounds of this type parameter. 65 * These are the types given by the {@code extends} clause 66 * used to declare this type parameter. 67 * If no explicit {@code extends} clause was used, 68 * then {@code java.lang.Object} is considered to be the sole bound. 69 * 70 * @return the bounds of this type parameter, or an empty list if 71 * there are none 72 */ 73 List<? extends TypeMirror> getBounds(); 74 75 /** 76 * Returns the {@linkplain TypeParameterElement#getGenericElement generic element} of this type parameter. 77 * 78 * @return the generic element of this type parameter 79 */ 80 @Override 81 Element getEnclosingElement(); 82 }