2 * Copyright (c) 2019 Red Hat, 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.mdsal.dom.spi;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.annotations.Beta;
13 import com.google.common.collect.ClassToInstanceMap;
14 import com.google.common.collect.ImmutableClassToInstanceMap;
15 import com.google.common.util.concurrent.ListenableFuture;
16 import org.eclipse.jdt.annotation.NonNull;
17 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
18 import org.opendaylight.mdsal.dom.api.DOMSchemaServiceExtension;
19 import org.opendaylight.mdsal.dom.api.DOMYangTextSourceProvider;
20 import org.opendaylight.yangtools.concepts.ListenerRegistration;
21 import org.opendaylight.yangtools.concepts.NoOpListenerRegistration;
22 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
23 import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
24 import org.opendaylight.yangtools.yang.model.api.SchemaContextProvider;
25 import org.opendaylight.yangtools.yang.model.repo.api.SourceIdentifier;
26 import org.opendaylight.yangtools.yang.model.repo.api.YangTextSchemaSource;
27 import org.opendaylight.yangtools.yang.model.repo.spi.SchemaSourceProvider;
30 * {@link DOMSchemaService} (and {@link DOMYangTextSourceProvider}) implementations backed by a
31 * {@link SchemaContextProvider} (and {@link SchemaSourceProvider}) which are known to be fixed and never change
34 * @author Michael Vorburger.ch
37 public class FixedDOMSchemaService extends AbstractDOMSchemaService {
38 private static final class WithYangTextSources extends FixedDOMSchemaService implements DOMYangTextSourceProvider {
39 private final @NonNull SchemaSourceProvider<YangTextSchemaSource> schemaSourceProvider;
41 WithYangTextSources(final SchemaContextProvider schemaContextProvider,
42 final SchemaSourceProvider<YangTextSchemaSource> schemaSourceProvider) {
43 super(schemaContextProvider);
44 this.schemaSourceProvider = requireNonNull(schemaSourceProvider);
48 public ClassToInstanceMap<DOMSchemaServiceExtension> getExtensions() {
49 return ImmutableClassToInstanceMap.of(DOMYangTextSourceProvider.class, this);
53 public ListenableFuture<? extends YangTextSchemaSource> getSource(final SourceIdentifier sourceIdentifier) {
54 return schemaSourceProvider.getSource(sourceIdentifier);
58 private final @NonNull SchemaContextProvider schemaContextProvider;
60 private FixedDOMSchemaService(final SchemaContextProvider schemaContextProvider) {
61 this.schemaContextProvider = requireNonNull(schemaContextProvider);
64 public static @NonNull DOMSchemaService of(final SchemaContextProvider schemaContextProvider) {
65 return new FixedDOMSchemaService(schemaContextProvider);
68 public static @NonNull DOMSchemaService of(final SchemaContextProvider schemaContextProvider,
69 final SchemaSourceProvider<YangTextSchemaSource> yangTextSourceProvider) {
70 return new WithYangTextSources(schemaContextProvider, requireNonNull(yangTextSourceProvider));
74 public final SchemaContext getGlobalContext() {
75 return schemaContextProvider.getSchemaContext();
79 public final @NonNull ListenerRegistration<SchemaContextListener> registerSchemaContextListener(
80 final SchemaContextListener listener) {
81 listener.onGlobalContextUpdated(getGlobalContext());
82 return NoOpListenerRegistration.of(listener);