1 /* Copyright 2004 The Apache Software Foundation
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 package org.apache.xmlbeans;
17
18 import javax.xml.namespace.QName;
19
20 /**
21 * Represents a global element definition.
22 *
23 * @see SchemaTypeLoader#findElement
24 */
25 public interface SchemaGlobalElement extends SchemaLocalElement, SchemaComponent
26 {
27 /**
28 * Set of QNames for elements that are the members of the
29 * substitution group for which this element is the head,
30 * not including this element.
31 */
32 QName[] substitutionGroupMembers();
33
34 /**
35 * The element that is the head of this element's substitution
36 * group, or <code>null</code> if this element is not a member
37 * of a substitution group.
38 */
39 SchemaGlobalElement substitutionGroup();
40
41 /**
42 * True if using this element as the head of a substitution
43 * group for a substitution via type extension is prohibited.
44 * If both finalExtension and finalRestriction are true, this
45 * element cannot be head of a substitution group.
46 * Sensible only for global elements.
47 */
48 public boolean finalExtension();
49
50 /**
51 * True if using this element as the head of a substitution
52 * group for a substitution via type restriction is prohibited.
53 * If both finalExtension and finalRestriction are true, this
54 * element cannot be head of a substitution group.
55 * Sensible only for global elements.
56 */
57 public boolean finalRestriction();
58
59 /**
60 * Used to allow on-demand loading of elements.
61 *
62 * @exclude
63 */
64 public final static class Ref extends SchemaComponent.Ref
65 {
66 public Ref(SchemaGlobalElement element)
67 { super(element); }
68
69 public Ref(SchemaTypeSystem system, String handle)
70 { super(system, handle); }
71
72 public final int getComponentType()
73 { return SchemaComponent.ELEMENT; }
74
75 public final SchemaGlobalElement get()
76 { return (SchemaGlobalElement)getComponent(); }
77 }
78
79 /**
80 * Retruns a SchemaGlobalElement.Ref pointing to this element itself.
81 */
82 public Ref getRef();
83
84
85 }