2 * Copyright (c) 2016 Cisco Systems, 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
9 package org.opendaylight.netconf.mdsal.yang.library;
11 import com.google.common.util.concurrent.FutureCallback;
12 import com.google.common.util.concurrent.Futures;
13 import com.google.common.util.concurrent.MoreExecutors;
14 import java.util.List;
16 import java.util.concurrent.atomic.AtomicInteger;
17 import java.util.stream.Collectors;
18 import javax.annotation.Nullable;
19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
20 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
21 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
22 import org.opendaylight.controller.sal.core.api.model.SchemaService;
23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.ModulesState;
25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.ModulesStateBuilder;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.RevisionUtils;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.Module.ConformanceType;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.ModuleBuilder;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.module.Submodule;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.module.SubmoduleBuilder;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.YangIdentifier;
32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
33 import org.opendaylight.yangtools.yang.model.api.Module;
34 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
35 import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
40 * Listens for updates on global schema context, transforms context to ietf-yang-library:modules-state and
41 * writes this state to operational data store.
43 // TODO Implement also yang-library-change notfication
44 public class SchemaServiceToMdsalWriter implements SchemaContextListener, AutoCloseable {
46 private static final Logger LOG = LoggerFactory.getLogger(SchemaServiceToMdsalWriter.class);
48 private static final InstanceIdentifier<ModulesState> MODULES_STATE_INSTANCE_IDENTIFIER =
49 InstanceIdentifier.create(ModulesState.class);
51 private final SchemaService schemaService;
52 private final AtomicInteger moduleSetId;
53 private final DataBroker dataBroker;
55 public SchemaServiceToMdsalWriter(final SchemaService schemaService,
56 final DataBroker dataBroker) {
57 this.schemaService = schemaService;
58 this.dataBroker = dataBroker;
59 this.moduleSetId = new AtomicInteger(0);
63 public void close() throws Exception {
64 // TODO Delete modules-state from operational data store
68 * Invoked by blueprint.
71 schemaService.registerSchemaContextListener(this);
76 public void onGlobalContextUpdated(final SchemaContext context) {
77 final ModulesState newModuleState = createModuleStateFromModules(context.getModules());
78 final WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
79 tx.put(LogicalDatastoreType.OPERATIONAL,
80 MODULES_STATE_INSTANCE_IDENTIFIER, newModuleState);
82 LOG.debug("Trying to write new module-state: {}", newModuleState);
83 Futures.addCallback(tx.submit(), new FutureCallback<Void>() {
85 public void onSuccess(@Nullable final Void result) {
86 LOG.debug("Modules state updated successfully");
90 public void onFailure(final Throwable throwable) {
91 LOG.warn("Failed to update modules state", throwable);
93 }, MoreExecutors.directExecutor());
96 private ModulesState createModuleStateFromModules(final Set<Module> modules) {
97 return new ModulesStateBuilder()
98 .setModule(modules.stream().map(this::createModuleEntryFromModule).collect(Collectors.toList()))
99 .setModuleSetId(String.valueOf(moduleSetId.getAndIncrement()))
103 private org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.Module
104 createModuleEntryFromModule(final Module module) {
105 return new ModuleBuilder()
106 .setName(new YangIdentifier(module.getName()))
107 .setRevision(RevisionUtils.fromYangCommon(module.getQNameModule().getRevision()))
108 .setNamespace(new Uri(module.getNamespace().toString()))
109 // FIXME: Conformance type is always set to Implement value, but it should it really be like this?
110 .setConformanceType(ConformanceType.Implement)
111 .setSubmodule(createSubmodulesForModule(module))
112 // FIXME: Add also deviations and features lists to module entries
116 private static List<Submodule> createSubmodulesForModule(final Module module) {
117 return module.getSubmodules().stream().map(subModule -> new SubmoduleBuilder()
118 .setName(new YangIdentifier(subModule.getName()))
119 .setRevision(RevisionUtils.fromYangCommon(subModule.getQNameModule().getRevision()))
120 .build()).collect(Collectors.toList());