2 * Copyright (c) 2020 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 com.google.common.collect.ImmutableList;
11 import java.lang.invoke.MethodHandles;
12 import java.lang.invoke.VarHandle;
13 import org.eclipse.jdt.annotation.NonNull;
14 import org.opendaylight.yangtools.yang.common.QName;
15 import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
16 import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
17 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
18 import org.opendaylight.yangtools.yang.model.api.stmt.LeafListEffectiveStatement;
19 import org.opendaylight.yangtools.yang.model.api.stmt.LeafListStatement;
20 import org.opendaylight.yangtools.yang.model.ri.type.ConcreteTypes;
21 import org.opendaylight.yangtools.yang.model.spi.meta.AbstractDeclaredEffectiveStatement;
22 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.DataSchemaNodeMixin;
23 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.MustConstraintMixin;
24 import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins.UserOrderedAwareMixin;
26 abstract class AbstractLeafListEffectiveStatement
27 extends AbstractDeclaredEffectiveStatement.Default<QName, LeafListStatement>
28 implements LeafListEffectiveStatement, LeafListSchemaNode,
29 UserOrderedAwareMixin<QName, LeafListStatement, LeafListEffectiveStatement>,
30 DataSchemaNodeMixin<LeafListStatement>, MustConstraintMixin<QName, LeafListStatement> {
31 private static final VarHandle TYPE;
35 TYPE = MethodHandles.lookup().findVarHandle(AbstractLeafListEffectiveStatement.class, "type",
36 TypeDefinition.class);
37 } catch (NoSuchFieldException | IllegalAccessException e) {
38 throw new ExceptionInInitializerError(e);
42 private final @NonNull Object substatements;
43 private final int flags;
45 @SuppressWarnings("unused")
46 private volatile TypeDefinition<?> type;
48 AbstractLeafListEffectiveStatement(final LeafListStatement declared, final int flags,
49 final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
51 this.substatements = maskList(substatements);
55 AbstractLeafListEffectiveStatement(final AbstractLeafListEffectiveStatement original, final int flags) {
57 substatements = original.substatements;
62 public final ImmutableList<? extends EffectiveStatement<?, ?>> effectiveSubstatements() {
63 return unmaskList(substatements);
67 public final int flags() {
72 public final LeafListEffectiveStatement asEffectiveStatement() {
77 public final TypeDefinition<?> getType() {
78 final var local = (TypeDefinition<?>) TYPE.getAcquire(this);
79 return local != null ? local : loadType();
82 private TypeDefinition<?> loadType() {
83 final var ret = ConcreteTypes.typeOf(this);
84 final var witness = (TypeDefinition<?>) TYPE.compareAndExchangeRelease(this, null, ret);
85 return witness != null ? witness : ret;