01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17:
18: package org.apache.xerces.xs;
19:
20: /**
21: * This interface represents the Model Group schema component.
22: */
23: public interface XSModelGroup extends XSTerm {
24: // Content model compositors
25: /**
26: * This constant value signifies a sequence operator.
27: */
28: public static final short COMPOSITOR_SEQUENCE = 1;
29: /**
30: * This constant value signifies a choice operator.
31: */
32: public static final short COMPOSITOR_CHOICE = 2;
33: /**
34: * This content model represents a simplified version of the SGML
35: * &-Connector and is limited to the top-level of any content model.
36: * No element in the all content model may appear more than once.
37: */
38: public static final short COMPOSITOR_ALL = 3;
39:
40: /**
41: * [compositor]: one of all, choice or sequence. The valid constant values
42: * are:
43: * <code>COMPOSITOR_SEQUENCE, COMPOSITOR_CHOICE, COMPOSITOR_ALL</code>.
44: */
45: public short getCompositor();
46:
47: /**
48: * A list of [particles] if it exists, otherwise an empty
49: * <code>XSObjectList</code>.
50: */
51: public XSObjectList getParticles();
52:
53: /**
54: * An annotation if it exists, otherwise <code>null</code>. If not null
55: * then the first [annotation] from the sequence of annotations.
56: */
57: public XSAnnotation getAnnotation();
58:
59: /**
60: * A sequence of [annotations] or an empty <code>XSObjectList</code>.
61: */
62: public XSObjectList getAnnotations();
63: }
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