diff -r 000000000000 -r 373ffda63c9a src/share/jaxws_classes/com/sun/xml/internal/bind/v2/model/annotation/MethodLocatable.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/model/annotation/MethodLocatable.java	Wed Apr 27 01:27:09 2016 +0800
@@ -0,0 +1,54 @@
+/*
+ * 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.model.nav.Navigator;
+import com.sun.xml.internal.bind.v2.runtime.Location;
+
+/**
+ * {@link Locatable} implementation for a method.
+ *
+ * @author Kohsuke Kawaguchi
+ */
+public class MethodLocatable<M> implements Locatable {
+    private final Locatable upstream;
+    private final M method;
+    private final Navigator<?,?,?,M> nav;
+
+    public MethodLocatable(Locatable upstream, M method, Navigator<?,?,?,M> nav) {
+        this.upstream = upstream;
+        this.method = method;
+        this.nav = nav;
+    }
+
+    public Locatable getUpstream() {
+        return upstream;
+    }
+
+    public Location getLocation() {
+        return nav.getMethodLocation(method);
+    }
+}