1/*
2 * Copyright (c) 1997, 2012, 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
26package com.sun.xml.internal.bind.v2.model.impl;
27
28import javax.xml.namespace.QName;
29
30import com.sun.xml.internal.bind.v2.model.core.NonElement;
31import com.sun.xml.internal.bind.v2.model.core.PropertyInfo;
32import com.sun.xml.internal.bind.v2.model.core.TypeRef;
33
34/**
35 * @author Kohsuke Kawaguchi
36 */
37class TypeRefImpl<TypeT,ClassDeclT> implements TypeRef<TypeT,ClassDeclT> {
38    private final QName elementName;
39    private final TypeT type;
40    protected final ElementPropertyInfoImpl<TypeT,ClassDeclT,?,?> owner;
41    private NonElement<TypeT,ClassDeclT> ref;
42    private final boolean isNillable;
43    private String defaultValue;
44
45    public TypeRefImpl(ElementPropertyInfoImpl<TypeT, ClassDeclT, ?, ?> owner, QName elementName, TypeT type, boolean isNillable, String defaultValue) {
46        this.owner = owner;
47        this.elementName = elementName;
48        this.type = type;
49        this.isNillable = isNillable;
50        this.defaultValue = defaultValue;
51        assert owner!=null;
52        assert elementName!=null;
53        assert type!=null;
54    }
55
56    public NonElement<TypeT,ClassDeclT> getTarget() {
57        if(ref==null)
58            calcRef();
59        return ref;
60    }
61
62    public QName getTagName() {
63        return elementName;
64    }
65
66    public boolean isNillable() {
67        return isNillable;
68    }
69
70    public String getDefaultValue() {
71        return defaultValue;
72    }
73
74    protected void link() {
75        // if we have'nt computed the ref yet, do so now.
76        calcRef();
77    }
78
79    private void calcRef() {
80        // we can't do this eagerly because of a cyclic dependency
81        ref = owner.parent.builder.getTypeInfo(type,owner);
82        assert ref!=null;
83    }
84
85    public PropertyInfo<TypeT,ClassDeclT> getSource() {
86        return owner;
87    }
88}
89