diff -r 000000000000 -r 373ffda63c9a src/share/jaxws_classes/com/sun/xml/internal/bind/v2/model/impl/TypeRefImpl.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/v2/model/impl/TypeRefImpl.java	Wed Apr 27 01:27:09 2016 +0800
@@ -0,0 +1,88 @@
+/*
+ * 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.impl;
+
+import javax.xml.namespace.QName;
+
+import com.sun.xml.internal.bind.v2.model.core.NonElement;
+import com.sun.xml.internal.bind.v2.model.core.PropertyInfo;
+import com.sun.xml.internal.bind.v2.model.core.TypeRef;
+
+/**
+ * @author Kohsuke Kawaguchi
+ */
+class TypeRefImpl<TypeT,ClassDeclT> implements TypeRef<TypeT,ClassDeclT> {
+    private final QName elementName;
+    private final TypeT type;
+    protected final ElementPropertyInfoImpl<TypeT,ClassDeclT,?,?> owner;
+    private NonElement<TypeT,ClassDeclT> ref;
+    private final boolean isNillable;
+    private String defaultValue;
+
+    public TypeRefImpl(ElementPropertyInfoImpl<TypeT, ClassDeclT, ?, ?> owner, QName elementName, TypeT type, boolean isNillable, String defaultValue) {
+        this.owner = owner;
+        this.elementName = elementName;
+        this.type = type;
+        this.isNillable = isNillable;
+        this.defaultValue = defaultValue;
+        assert owner!=null;
+        assert elementName!=null;
+        assert type!=null;
+    }
+
+    public NonElement<TypeT,ClassDeclT> getTarget() {
+        if(ref==null)
+            calcRef();
+        return ref;
+    }
+
+    public QName getTagName() {
+        return elementName;
+    }
+
+    public boolean isNillable() {
+        return isNillable;
+    }
+
+    public String getDefaultValue() {
+        return defaultValue;
+    }
+
+    protected void link() {
+        // if we have'nt computed the ref yet, do so now.
+        calcRef();
+    }
+
+    private void calcRef() {
+        // we can't do this eagerly because of a cyclic dependency
+        ref = owner.parent.builder.getTypeInfo(type,owner);
+        assert ref!=null;
+    }
+
+    public PropertyInfo<TypeT,ClassDeclT> getSource() {
+        return owner;
+    }
+}