+++ /dev/null
-/*
- * Copyright (c) 2020 PANTHEON.tech, s.r.o. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.yangtools.yang.model.spi.meta;
-
-import static com.google.common.base.Verify.verifyNotNull;
-import static java.util.Objects.requireNonNull;
-
-import com.google.common.annotations.Beta;
-import com.google.common.collect.ImmutableList;
-import java.util.Collection;
-import org.eclipse.jdt.annotation.NonNull;
-import org.opendaylight.yangtools.yang.common.Empty;
-import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
-import org.opendaylight.yangtools.yang.model.api.meta.StatementOrigin;
-
-/**
- * An abstract base class for {@link DeclaredStatement} implementations. It provides various further stateless and
- * stateful subclasses.
- */
-@Beta
-public abstract class AbstractDeclaredStatement<A> extends AbstractModelStatement<A> implements DeclaredStatement<A> {
- @Override
- public StatementOrigin statementOrigin() {
- return StatementOrigin.DECLARATION;
- }
-
- @Override
- public Collection<? extends DeclaredStatement<?>> declaredSubstatements() {
- // Default to reduce load on subclasses and keep the number of implementations down
- return ImmutableList.of();
- }
-
- /**
- * Utility method for recovering singleton lists squashed by {@link #maskList(ImmutableList)}.
- *
- * @param masked list to unmask
- * @return Unmasked list
- * @throws NullPointerException if masked is null
- * @throws ClassCastException if masked object does not match DeclaredStatement
- */
- @SuppressWarnings({ "rawtypes", "unchecked" })
- protected static final @NonNull ImmutableList<? extends DeclaredStatement<?>> unmaskList(
- final @NonNull Object masked) {
- return (ImmutableList) unmaskList(masked, DeclaredStatement.class);
- }
-
- public abstract static class WithRawArgument<A> extends AbstractDeclaredStatement<A> {
- public abstract static class WithSubstatements<A> extends WithRawArgument<A> {
- private final @NonNull Object substatements;
-
- protected WithSubstatements(final String rawArgument,
- final ImmutableList<? extends DeclaredStatement<?>> substatements) {
- super(rawArgument);
- this.substatements = maskList(substatements);
- }
-
- @Override
- public final Collection<? extends DeclaredStatement<?>> declaredSubstatements() {
- return unmaskList(substatements);
- }
- }
-
- private final String rawArgument;
-
- protected WithRawArgument(final String rawArgument) {
- this.rawArgument = rawArgument;
- }
-
- @Override
- public final String rawArgument() {
- return rawArgument;
- }
- }
-
- public abstract static class WithQNameArgument extends AbstractDeclaredStatement<QName> {
- public abstract static class WithSubstatements extends WithQNameArgument {
- private final @NonNull Object substatements;
-
- protected WithSubstatements(final QName argument,
- final ImmutableList<? extends DeclaredStatement<?>> substatements) {
- super(argument);
- this.substatements = maskList(substatements);
- }
-
- @Override
- public final Collection<? extends DeclaredStatement<?>> declaredSubstatements() {
- return unmaskList(substatements);
- }
- }
-
- private final @NonNull QName argument;
-
- protected WithQNameArgument(final QName argument) {
- this.argument = requireNonNull(argument);
- }
-
- @Override
- public final QName argument() {
- return argument;
- }
-
- @Override
- public final String rawArgument() {
- return argument.getLocalName();
- }
- }
-
- public abstract static class WithRawStringArgument extends WithRawArgument<String> {
- public abstract static class WithSubstatements extends WithRawStringArgument {
- private final @NonNull Object substatements;
-
- protected WithSubstatements(final String rawArgument,
- final ImmutableList<? extends DeclaredStatement<?>> substatements) {
- super(rawArgument);
- this.substatements = maskList(substatements);
- }
-
- @Override
- public final Collection<? extends DeclaredStatement<?>> declaredSubstatements() {
- return unmaskList(substatements);
- }
- }
-
- protected WithRawStringArgument(final String rawArgument) {
- super(verifyNotNull(rawArgument));
- }
-
- @Override
- public final String argument() {
- return verifyNotNull(rawArgument());
- }
- }
-
- public abstract static class WithArgument<A> extends WithRawArgument<A> {
- public abstract static class WithSubstatements<A> extends WithArgument<A> {
- private final @NonNull Object substatements;
-
- protected WithSubstatements(final String rawArgument, final A argument,
- final ImmutableList<? extends DeclaredStatement<?>> substatements) {
- super(rawArgument, argument);
- this.substatements = maskList(substatements);
- }
-
- @Override
- public final Collection<? extends DeclaredStatement<?>> declaredSubstatements() {
- return unmaskList(substatements);
- }
- }
-
- private final @NonNull A argument;
-
- protected WithArgument(final String rawArgument, final A argument) {
- super(rawArgument);
- this.argument = requireNonNull(argument);
- }
-
- @Override
- public final A argument() {
- return argument;
- }
- }
-
- public abstract static class ArgumentToString<A> extends AbstractDeclaredStatement<A> {
- public abstract static class WithSubstatements<A> extends ArgumentToString<A> {
- private final @NonNull Object substatements;
-
- protected WithSubstatements(final A argument,
- final ImmutableList<? extends DeclaredStatement<?>> substatements) {
- super(argument);
- this.substatements = maskList(substatements);
- }
-
- @Override
- public final Collection<? extends DeclaredStatement<?>> declaredSubstatements() {
- return unmaskList(substatements);
- }
- }
-
- private final @NonNull A argument;
-
- protected ArgumentToString(final @NonNull A argument) {
- this.argument = requireNonNull(argument);
- }
-
- @Override
- public final A argument() {
- return argument;
- }
-
- @Override
- public final String rawArgument() {
- return argument.toString();
- }
- }
-
- public abstract static class WithoutArgument extends AbstractDeclaredStatement<Empty> {
- public abstract static class WithSubstatements extends WithoutArgument {
- private final @NonNull Object substatements;
-
- protected WithSubstatements(final ImmutableList<? extends DeclaredStatement<?>> substatements) {
- this.substatements = maskList(substatements);
- }
-
- @Override
- public final Collection<? extends DeclaredStatement<?>> declaredSubstatements() {
- return unmaskList(substatements);
- }
- }
-
- @Override
- public final Empty argument() {
- return Empty.getInstance();
- }
-
- @Override
- public final String rawArgument() {
- return null;
- }
- }
-}
Code Review / yangtools.git / blobdiff