| /* |
| * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.xml.internal.bind.v2.model.annotation; |
| |
| import com.sun.xml.internal.bind.v2.runtime.Location; |
| |
| /** |
| * {@link Location} that is chained. |
| * |
| * <p> |
| * {@link Locatable} forms a tree structure, where each {@link Locatable} |
| * points back to the upstream {@link Locatable}. |
| * For example, imagine {@link Locatable} X that points to a particular annotation, |
| * whose upstream is {@link Locatable} Y, which points to a particular method |
| * (on which the annotation is put), whose upstream is {@link Locatable} Z, |
| * which points to a particular class (in which the method is defined), |
| * whose upstream is {@link Locatable} W, |
| * which points to another class (which refers to the class Z), and so on. |
| * |
| * <p> |
| * This chain will be turned into a list when we report the error to users. |
| * This allows them to know where the error happened |
| * and why that place became relevant. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| public interface Locatable { |
| /** |
| * Gets the upstream {@link Location} information. |
| * |
| * @return |
| * can be null. |
| */ |
| Locatable getUpstream(); |
| |
| /** |
| * Gets the location object that this object points to. |
| * |
| * This operation could be inefficient and costly. |
| */ |
| Location getLocation(); |
| } |