diff -r 000000000000 -r 373ffda63c9a src/share/jaxws_classes/com/sun/tools/internal/xjc/model/TypeUse.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/tools/internal/xjc/model/TypeUse.java	Wed Apr 27 01:27:09 2016 +0800
@@ -0,0 +1,107 @@
+/*
+ * 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.tools.internal.xjc.model;
+
+import javax.activation.MimeType;
+
+import com.sun.codemodel.internal.JExpression;
+import com.sun.tools.internal.xjc.model.nav.NType;
+import com.sun.tools.internal.xjc.outline.Outline;
+import com.sun.xml.internal.bind.v2.model.core.ID;
+import com.sun.xml.internal.xsom.XmlString;
+
+/**
+ * Information about how another type is referenced.
+ *
+ * <p>
+ * In practice it is often easier to use {@link CTypeInfo}
+ * instead of {@link NType}, so this interface defines {@link #getInfo()}.
+ *
+ * @author Kohsuke Kawaguchi
+ * @see TypeUseImpl
+ */
+public interface TypeUse {
+    /**
+     * If the use can hold multiple values of the specified type.
+     */
+    boolean isCollection();
+
+    /**
+     * If this type use is adapting the type, returns the adapter.
+     * Otherwise return null.
+     */
+    CAdapter getAdapterUse();
+
+    /**
+     * Individual item type.
+     */
+    CNonElement getInfo();
+
+    /**
+     * Whether the referenced type (individual item type in case of collection)
+     * is ID/IDREF.
+     *
+     * <p>
+     * ID is a property of a relationship. When a bean Foo has an ID property
+     * called 'bar' whose type is String, Foo isn't an ID, String isn't an ID,
+     * but this relationship is an ID (in the sense that Foo uses this String
+     * as an ID.)
+     *
+     * <p>
+     * The same thing can be said with IDREF. When Foo refers to Bar by means of
+     * IDREF, neither Foo nor Bar is IDREF.
+     *
+     * <p>
+     * That's why we have this method in {@link TypeUse}.
+     */
+    ID idUse();
+
+    /**
+     * A {@link TypeUse} can have an associated MIME type.
+     */
+    MimeType getExpectedMimeType();
+
+    /**
+     * Creates a constant for the given lexical value.
+     *
+     * <p>
+     * For example, to create a constant 1 for <tt>xs:int</tt>, you'd do:
+     * <pre>
+     * CBuiltinLeafInfo.INT.createConstant( codeModel, "1", null );
+     * </pre>
+     *
+     * <p>
+     * This method is invoked at the backend as a part of the code generation process.
+     *
+     * @throws IllegalStateException
+     *      if the type isn't bound to a text in XML.
+     *
+     * @return null
+     *      if the constant cannot be created for this {@link TypeUse}
+     *      (such as when it's a collection)
+     */
+    JExpression createConstant(Outline outline, XmlString lexical);
+}