2 * Copyright (c) 2021 PANTHEON.tech, s.r.o. 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.ri.stmt.impl.eff;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.collect.ImmutableList;
13 import java.lang.invoke.MethodHandles;
14 import java.lang.invoke.VarHandle;
15 import org.eclipse.jdt.annotation.NonNull;
16 import org.opendaylight.yangtools.yang.common.QName;
17 import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
18 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
19 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
20 import org.opendaylight.yangtools.yang.model.api.stmt.LeafEffectiveStatement;
21 import org.opendaylight.yangtools.yang.model.api.stmt.LeafStatement;
22 import org.opendaylight.yangtools.yang.model.ri.type.ConcreteTypes;
23 import org.opendaylight.yangtools.yang.model.spi.meta.AbstractUndeclaredEffectiveStatement;
24 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.DataSchemaNodeMixin;
25 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.MandatoryMixin;
26 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.MustConstraintMixin;
28 public final class UndeclaredLeafEffectiveStatement extends AbstractUndeclaredEffectiveStatement<QName, LeafStatement>
29 implements LeafEffectiveStatement, LeafSchemaNode, DataSchemaNodeMixin<LeafStatement>,
30 MandatoryMixin<QName, LeafStatement>, MustConstraintMixin<QName, LeafStatement> {
31 private static final VarHandle TYPE;
35 TYPE = MethodHandles.lookup().findVarHandle(UndeclaredLeafEffectiveStatement.class, "type",
36 TypeDefinition.class);
37 } catch (NoSuchFieldException | IllegalAccessException e) {
38 throw new ExceptionInInitializerError(e);
42 private final @NonNull Object substatements;
43 private final @NonNull QName argument;
44 private final int flags;
46 @SuppressWarnings("unused")
47 private volatile TypeDefinition<?> type;
49 public UndeclaredLeafEffectiveStatement(final QName argument, final int flags,
50 final ImmutableList<? extends @NonNull EffectiveStatement<?, ?>> substatements) {
51 this.argument = requireNonNull(argument);
53 this.substatements = maskList(substatements);
56 public UndeclaredLeafEffectiveStatement(final UndeclaredLeafEffectiveStatement original, final QName argument,
58 this.argument = requireNonNull(argument);
60 substatements = original.substatements;
64 public QName argument() {
74 public ImmutableList<? extends EffectiveStatement<?, ?>> effectiveSubstatements() {
75 return unmaskList(substatements);
79 public LeafEffectiveStatement asEffectiveStatement() {
84 public TypeDefinition<?> getType() {
85 final var local = (TypeDefinition<?>) TYPE.getAcquire(this);
86 return local != null ? local : loadType();
89 private TypeDefinition<?> loadType() {
90 final var ret = ConcreteTypes.typeOf(this);
91 final var witness = (TypeDefinition<?>) TYPE.compareAndExchangeRelease(this, null, ret);
92 return witness != null ? witness : ret;