2 * Copyright (c) 2019 PANTHEON.tech, s.r.o. 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 static java.util.Objects.requireNonNull;
12 import com.google.common.annotations.Beta;
13 import com.google.common.base.MoreObjects;
14 import java.util.Optional;
15 import org.eclipse.jdt.annotation.NonNull;
16 import org.eclipse.jdt.annotation.Nullable;
17 import org.opendaylight.yangtools.concepts.Immutable;
18 import org.opendaylight.yangtools.yang.common.QName;
21 public abstract sealed class ArgumentDefinition implements Immutable {
22 private static final class YinAttribute extends ArgumentDefinition {
23 YinAttribute(final QName argumentName) {
28 public boolean isYinElement() {
33 private static final class YinElement extends ArgumentDefinition {
34 YinElement(final QName argumentName) {
39 public boolean isYinElement() {
44 private final @NonNull QName argumentName;
46 ArgumentDefinition(final QName argumentName) {
47 this.argumentName = requireNonNull(argumentName);
50 public static @NonNull ArgumentDefinition of(final QName argumentName, final boolean yinElement) {
51 return yinElement ? new YinElement(argumentName) : new YinAttribute(argumentName);
54 public static @NonNull Optional<ArgumentDefinition> ofNullable(final @Nullable QName argumentName,
55 final boolean yinElement) {
56 return argumentName == null ? Optional.empty() : Optional.of(of(argumentName, yinElement));
59 public final @NonNull QName getArgumentName() {
64 * Returns true, if argument of statement is represented as value of YIN element. If argument of statement is
65 * represented as argument of YIN element, returns false.
67 * @return returns true, if statement argument is represented as value of YIN element, otherwise returns false.
69 public abstract boolean isYinElement();
72 public final int hashCode() {
73 return Boolean.hashCode(isYinElement()) * 31 + argumentName.hashCode();
77 public final boolean equals(final Object obj) {
81 if (!(obj instanceof ArgumentDefinition)) {
84 final ArgumentDefinition other = (ArgumentDefinition) obj;
85 return isYinElement() == other.isYinElement() && argumentName.equals(other.argumentName);
89 public final String toString() {
90 return MoreObjects.toStringHelper(ArgumentDefinition.class).add("argumentName", argumentName)
91 .add("yinElement", isYinElement()).toString();