2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.model.api.meta;
10 import javax.annotation.Nonnull;
11 import javax.annotation.Nullable;
12 import org.opendaylight.yangtools.concepts.Immutable;
13 import org.opendaylight.yangtools.yang.common.QName;
16 * Definition / model of YANG {@link DeclaredStatement} and
17 * {@link EffectiveStatement}.
19 * Statement concept is defined in RFC6020 section 6.3: <blockquote> A YANG
20 * module contains a sequence of statements. Each statement starts with a
21 * keyword, followed by zero or one argument </blockquote>
23 * Source: <a href="https://tools.ietf.org/html/rfc6020#section-6.3"> </a>
25 public interface StatementDefinition extends Immutable {
27 * Returns name of the statement
29 * @return Name of the statement
32 QName getStatementName();
35 * Returns name of statement argument or null, if statement does not have
38 * @return argument name or null, if statement does not take argument.
41 QName getArgumentName();
44 * Returns class which represents declared version of statement associated
45 * with this definition.
47 * This class should be interface, which provides convenience access to
48 * declared substatements.
50 * @return class which represents declared version of statement associated
51 * with this definition.
54 Class<? extends DeclaredStatement<?>> getDeclaredRepresentationClass();
57 * Returns class which represents derived behaviour from supplied statement.
59 * This class should be interface, which defines convenience access to
60 * statement properties, namespace items and substatements.
62 * @return class which represents effective version of statement associated
63 * with this definition
66 Class<? extends EffectiveStatement<?, ?>> getEffectiveRepresentationClass();
69 * Returns true, if argument of statement is represented as value of yin
70 * element. If argument of statement is represented as argument of yin
71 * element, returns false.
74 * @return returns true, if statement argument is represented as value of
75 * yin element, otherwise returns false.
77 boolean isArgumentYinElement();